Article(id=1322276129600295837, tenantId=1146029695717560320, journalId=1220038251117760515, issueId=1322276007797702769, articleNumber=null, orderNo=null, doi=10.11868/j.issn.1001-4381.2024.000860, pmid=null, cstr=32421.14.j.issn.1001-4381.2024.000860, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1734969600000, receivedDateStr=2024-12-24, revisedDate=null, revisedDateStr=null, acceptedDate=1741708800000, acceptedDateStr=2025-03-12, onlineDate=1793184795998, onlineDateStr=2026-10-28, pubDate=1789833600000, pubDateStr=2026-09-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793184795998, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793184795998, creator=13701087609, updateTime=1793184795998, updator=13701087609, issue=Issue{id=1322276007797702769, tenantId=1146029695717560320, journalId=1220038251117760515, year='2026', volume='54', issue='9', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='1789833600000', pubDateStr='2026-09-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=0, createTime=1793184766959, creator='13701087609', updateTime=1793185369041, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322278533200728093, tenantId=1146029695717560320, journalId=1220038251117760515, issueId=1322276007797702769, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322278533200728094, tenantId=1146029695717560320, journalId=1220038251117760515, issueId=1322276007797702769, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=99, endPage=106, ext={EN=ArticleExt(id=1322276129864536990, articleId=1322276129600295837, tenantId=1146029695717560320, journalId=1220038251117760515, language=EN, title=Microstructure and mechanical properties of brazed joints with novel low-melting Ni-based brazing filler metal, columnId=1220689384450478826, journalTitle=Journal of Materials Engineering, columnName=RESEARCH ARTICLE, runingTitle=null, highlight=null, articleAbstract=
To solve the problem that the brazing temperature of existing filler metals for joining the superalloy GH4169 exceeds its δ phase solid solution temperature, which leads to the dissolution of the δ phase during brazing and consequently degrades the high-temperature performance of the alloy, this work conducts a study on a novel low-temperature Ni-based brazing filler for GH4169 and optimizes the brazing process. The brazing temperature is set at 980 ℃, which is comparable to the solid solution temperature of the alloy, in order to achieve a good match between brazing and heat treatment temperatures. Based on the binary phase diagrams, with Pd as the primary melting point depressant and B and Si as the secondary melting point depressants, a novel Ni-based brazing filler of 36Pd-10Cr-3B-1Si-Ni is configured and smelted. The melting point, wettability, and weldability of the novel filler on GH4169-GH536 butt joints are investigated. The results show that the solidus and liquidus temperatures of the novel filler are in the range of 828.82-961.43 ℃, and the wetting angle is 7.8°at 980 ℃ for 15 min, demonstrating excellent wettability, thereby optimizing the brazing process parameters. Under the process conditions of 980 ℃ for 60 min and a joint clearance-free assembly, the maximum room-temperature tensile strength of the brazed joint reaches 586 MPa, which exceeds that of the conventional BNi-2 brazing filler; the high-temperature creep rupture performance at high temperature exceeds 10 h, and the joint is free of obvious defects. Therefore, the novel low-melting Ni-based brazing filler of 36Pd-10Cr-3B-1Si-Ni can be used to achieve effective brazing of GH4169 while preserving its original microstructure and properties.
, authors=Dongsheng HE
1, 2, Hongshou ZHUANG
2, Han MEI
3, Jiaxuan CHI
4, Wei GUO
2, Hongqiang ZHANG
2, Ying ZHU
2, Jiaxin SHI
2, Yanqiang XU
2, 3, authorsList=Dongsheng HE, Hongshou ZHUANG, Han MEI, Jiaxuan CHI, Wei GUO, Hongqiang ZHANG, Ying ZHU, Jiaxin SHI, Yanqiang XU, authorCompany=null, correspAuthors=Wei GUO, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322276133261923255, articleId=1322276129600295837, tenantId=1146029695717560320, journalId=1220038251117760515, language=CN, title=新型低熔镍基钎料钎焊接头的微观组织及力学性能, columnId=1220689384622445292, journalTitle=材料工程, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
为解决现有钎料焊接GH4169高温合金时工艺温度超过其δ相固溶温度,从而导致δ相在焊接过程中发生溶解并削弱合金高温性能的问题,本工作开展了GH4169高温合金新型低温镍基钎料的研究,并对钎焊工艺进行了优化。其钎焊温度设定为与合金固溶温度相当的980 ℃,以实现钎焊与热处理温度的良好匹配。根据二元相图,以Pd为主要降熔元素,B、Si为次要降熔元素,配置并熔炼了新型镍基钎料36Pd-10Cr-3B-1Si-Ni,探究了新型钎料的熔点、润湿性以及对GH4169-GH536对接接头的可焊性。结果表明:新型钎料固液相线为828.82~961.43 ℃,在980 ℃/15 min条件下润湿角为7.8°,展现出优异的润湿性能,进而优化了钎焊工艺参数。在980 ℃/60 min、焊缝无装配间隙的工艺条件下,焊接接头室温抗拉强度最高可达到586 MPa,超过常规BNi-2钎料的焊接强度;高温持久性能超过10 h,且焊接接头无明显缺陷。因此,采用36Pd-10Cr-3B-1Si-Ni新型低熔镍基钎料可在保证GH4169原有组织性能的前提下实现其有效焊接。
, authors=何东声
1, 2, 庄鸿寿
2, 梅寒
3, 迟佳轩
4, 郭伟
2, 张宏强
2, 朱颖
2, 史佳鑫
2, 徐彦强
2, 3, authorsList=何东声, 庄鸿寿, 梅寒, 迟佳轩, 郭伟, 张宏强, 朱颖, 史佳鑫, 徐彦强, authorCompany=null, correspAuthors=郭伟, authorNote=null, correspAuthorsNote=
郭伟(1976—),男,教授,博士,研究方向为钎焊、扩散焊、激光焊及激光冲击强化,联系地址:北京市海淀区学院路37号北京航空航天大学机械工程及自动化学院(100191),E-mail:
gwei@buaa.edu.cn, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=wCJcLiPhY8EdsVCEISYFOA==, magXml=mXXt161BMMNJrdmpGRBaRw==, pdfUrl=null, pdf=L94rYMWQWRat25Fp1wNp4w==, pdfFileSize=7712789, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=19W6qON+G2WZpaP4V0NEYg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=USJqL9Q+Q9ntAKSZMbb0WA==, mapNumber=null, fund=null)}, authors=[Author(id=1322276134021092293, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322276134109172680, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276134021092293, language=EN, stringName=Dongsheng HE, firstName=Dongsheng, middleName=null, lastName=HE, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China
2.School of Mechanical Engineering and Automation,Beihang University,Beijing 100191,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322276134193058762, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276134021092293, language=CN, stringName=何东声, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.清华大学 机械工程系,北京 100084
2.北京航空航天大学 机械工程及自动化学院,北京 100191, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322276133513581496, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, xref=1., ext=[AuthorCompanyExt(id=1322276133521970105, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133513581496, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2, address=
2.School of Mechanical Engineering and Automation,Beihang University,Beijing 100191,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322276134859953103, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276134255973324, language=CN, stringName=庄鸿寿, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.北京航空航天大学 机械工程及自动化学院,北京 100191, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322276133605856187, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, xref=2., ext=[AuthorCompanyExt(id=1322276133614244796, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133605856187, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.School of Mechanical Engineering and Automation,Beihang University,Beijing 100191,China), AuthorCompanyExt(id=1322276133622633405, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133605856187, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.北京航空航天大学 机械工程及自动化学院,北京 100191)])]), Author(id=1322276134931256273, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322276135254217683, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276134931256273, language=EN, stringName=Han MEI, firstName=Han, middleName=null, lastName=MEI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.AECC Shenyang Liming Aero-engine Co. ,Ltd. ,Shenyang 110862,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322276135325520852, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276134931256273, language=CN, stringName=梅寒, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.中国航发沈阳黎明航空发动机有限责任公司,沈阳 110862, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322276133698130878, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, xref=3., ext=[AuthorCompanyExt(id=1322276133710713791, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133698130878, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.AECC Shenyang Liming Aero-engine Co. ,Ltd. ,Shenyang 110862,China), AuthorCompanyExt(id=1322276133719102400, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133698130878, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.中国航发沈阳黎明航空发动机有限责任公司,沈阳 110862)])]), Author(id=1322276135401018326, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322276136642532312, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276135401018326, language=EN, stringName=Jiaxuan CHI, firstName=Jiaxuan, middleName=null, lastName=CHI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.School of Engineers,Beijing Institute of Petrochemical Technology,Beijing 102617,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322276136718029785, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276135401018326, language=CN, stringName=迟佳轩, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.北京石油化工学院 工程师学院,北京 102617, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322276133840737217, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, xref=4., ext=[AuthorCompanyExt(id=1322276133865903042, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133840737217, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.School of Engineers,Beijing Institute of Petrochemical Technology,Beijing 102617,China), AuthorCompanyExt(id=1322276133878485955, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133840737217, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.北京石油化工学院 工程师学院,北京 102617)])]), Author(id=1322276136789332955, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=gwei@buaa.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1322276136852247517, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276136789332955, language=EN, stringName=Wei GUO, firstName=Wei, middleName=null, lastName=GUO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.School of Mechanical Engineering and Automation,Beihang University,Beijing 100191,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322276136910967774, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276136789332955, language=CN, stringName=郭伟, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.北京航空航天大学 机械工程及自动化学院,北京 100191, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322276133605856187, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, xref=2., ext=[AuthorCompanyExt(id=1322276133614244796, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133605856187, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2, address=
2.School of Mechanical Engineering and Automation,Beihang University,Beijing 100191,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322276137124877283, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, authorId=1322276136978076640, language=CN, stringName=张宏强, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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49(6):37-40., articleTitle=null, refAbstract=null)], funds=[Fund(id=1322276141386289189, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, awardId=HFZL2022CXY019, language=CN, fundingSource=中国航发产学研合作项目(HFZL2022CXY019), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322276133513581496, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, xref=1., ext=[AuthorCompanyExt(id=1322276133521970105, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133513581496, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China), AuthorCompanyExt(id=1322276133530358714, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133513581496, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.清华大学 机械工程系,北京 100084)]), AuthorCompany(id=1322276133605856187, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, xref=2., ext=[AuthorCompanyExt(id=1322276133614244796, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133605856187, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.北京航空航天大学 机械工程及自动化学院,北京 100191)]), AuthorCompany(id=1322276133698130878, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, xref=3., ext=[AuthorCompanyExt(id=1322276133710713791, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133698130878, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.中国航发沈阳黎明航空发动机有限责任公司,沈阳 110862)]), AuthorCompany(id=1322276133840737217, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, xref=4., ext=[AuthorCompanyExt(id=1322276133865903042, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133840737217, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.School of Engineers,Beijing Institute of Petrochemical Technology,Beijing 102617,China), AuthorCompanyExt(id=1322276133878485955, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, companyId=1322276133840737217, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.北京石油化工学院 工程师学院,北京 102617)])], figs=[ArticleFig(id=1322276138613855230, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.1, caption=
Microstructures of base metal GH4169(a) and GH536(b), figureFileSmall=K7Uf/sCPF+raX5yDpNhODQ==, figureFileBig=19W6qON+G2WZpaP4V0NEYg==, tableContent=null), ArticleFig(id=1322276138685158399, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图1, caption=
母材GH4169(a)与GH536(b)微观组织, figureFileSmall=K7Uf/sCPF+raX5yDpNhODQ==, figureFileBig=19W6qON+G2WZpaP4V0NEYg==, tableContent=null), ArticleFig(id=1322276138836153344, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.2, caption=
Assembly drawing of base metal and brazing filler metal, figureFileSmall=glBgwNFL5xrqZxBoHFa59A==, figureFileBig=wH7lLDBqN5Ysl17LDjLvvw==, tableContent=null), ArticleFig(id=1322276138890678272, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图2, caption=
母材及钎料装配图, figureFileSmall=glBgwNFL5xrqZxBoHFa59A==, figureFileBig=wH7lLDBqN5Ysl17LDjLvvw==, tableContent=null), ArticleFig(id=1322276138941009921, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.3, caption=
Binary phase diagrams of Pd-Ni(a),Pd-B(b),and Pd-Si(c), figureFileSmall=NOyJG4t8o2VGrF3Pdwk5DQ==, figureFileBig=mTdpVhnSgfdmzojpUz5I9g==, tableContent=null), ArticleFig(id=1322276138999730178, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图3, caption=
Pd-Ni(a)、Pd-B(b)和Pd-Si(c)二元相图, figureFileSmall=NOyJG4t8o2VGrF3Pdwk5DQ==, figureFileBig=mTdpVhnSgfdmzojpUz5I9g==, tableContent=null), ArticleFig(id=1322276139062644739, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.4, caption=
Schematic diagrams of geometric dimensions of room temperature tensile specimen(a) and high-temperature rupture specimen(b), figureFileSmall=Dm4sCGp/5Oa+2WjNiAVqtQ==, figureFileBig=zFGX6etzcHvhU0pHZWUpdw==, tableContent=null), ArticleFig(id=1322276139112976388, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图4, caption=
室温拉伸试样(a)及高温持久试样(b)几何尺寸示意图, figureFileSmall=Dm4sCGp/5Oa+2WjNiAVqtQ==, figureFileBig=zFGX6etzcHvhU0pHZWUpdw==, tableContent=null), ArticleFig(id=1322276139175890949, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.5, caption=
DSC curve of 36Pd-10Cr-3B-1Si-Ni brazing filler metal, figureFileSmall=e8uaamYBq0DP+EsaHoURJg==, figureFileBig=e4tIqSgiZinVBkdKg6HA5A==, tableContent=null), ArticleFig(id=1322276139247194118, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图5, caption=
36Pd-10Cr-3B-1Si-Ni钎料DSC曲线, figureFileSmall=e8uaamYBq0DP+EsaHoURJg==, figureFileBig=e4tIqSgiZinVBkdKg6HA5A==, tableContent=null), ArticleFig(id=1322276139339468807, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.6, caption=
Wetting angle of 36Pd-10Cr-3B-1Si-Ni brazing filler metal (base metal is GH4169), figureFileSmall=knE6jS5mSIFXvwv8/zDNdg==, figureFileBig=CuXprRqV/pyr3hJR871uFA==, tableContent=null), ArticleFig(id=1322276139410771976, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图6, caption=
36Pd-10Cr-3B-1Si-Ni钎料润湿角(母材为GH4169), figureFileSmall=knE6jS5mSIFXvwv8/zDNdg==, figureFileBig=CuXprRqV/pyr3hJR871uFA==, tableContent=null), ArticleFig(id=1322276139486269449, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.7, caption=
Microstructure of BNi-2 brazed joint, figureFileSmall=wXzgQVdBExWN+gNyxtPL9Q==, figureFileBig=fDXDku7H7MNqfqpr6gJzzw==, tableContent=null), ArticleFig(id=1322276139544989706, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图7, caption=
BNi-2钎焊接头微观组织, figureFileSmall=wXzgQVdBExWN+gNyxtPL9Q==, figureFileBig=fDXDku7H7MNqfqpr6gJzzw==, tableContent=null), ArticleFig(id=1322276139612098571, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.8, caption=
Microstructures of joints at 970 ℃/2 h(a)joint morphology (including defects);(b)joint morphology (no defects);(c)overall morphology of weld;(d)compound phase morphology, figureFileSmall=WzofNdsRLMmpEMwUhNw6ew==, figureFileBig=e60Pus+iasL5Qy+P0BiQhg==, tableContent=null), ArticleFig(id=1322276139691790348, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图8, caption=
970 ℃/2 h接头微观组织 (a)接头形貌(含缺陷);(b)接头形貌(无缺陷);(c)焊缝整体形貌;(d)化合物相形貌, figureFileSmall=WzofNdsRLMmpEMwUhNw6ew==, figureFileBig=e60Pus+iasL5Qy+P0BiQhg==, tableContent=null), ArticleFig(id=1322276139763093517, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.9, caption=
SEM images of joints at 980 ℃/20 min+900 ℃/30 min at different distances from the brazing filler metal filling point(a)500 ;(b)800 ;(c)1000 (d)2000 , figureFileSmall=/lHF0x/Gc7TjlqonGP5mtg==, figureFileBig=C8x2LS68aZHiod8HKE0lDw==, tableContent=null), ArticleFig(id=1322276139834396686, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图9, caption=
980 ℃/20 min+900 ℃/30 min钎焊接头距填放钎料处不同距离微观组织SEM图 (a)500 ;(b)800 ;(c)1000 (d)2000 , figureFileSmall=/lHF0x/Gc7TjlqonGP5mtg==, figureFileBig=C8x2LS68aZHiod8HKE0lDw==, tableContent=null), ArticleFig(id=1322276139901505551, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.10, caption=
Spot scanning positions of brazing joints at 980 ℃/20 min+900 ℃/30 min, figureFileSmall=Ca0+vEGItdfHJuwK25TrPg==, figureFileBig=EkeUBg67igHWsykGb8jsXA==, tableContent=null), ArticleFig(id=1322276139977003024, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图10, caption=
980 ℃/20 min+900 ℃/30 min钎焊接头点扫描位置, figureFileSmall=Ca0+vEGItdfHJuwK25TrPg==, figureFileBig=EkeUBg67igHWsykGb8jsXA==, tableContent=null), ArticleFig(id=1322276140044111889, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.11, caption=
SEM images of joints at 980 ℃/60 min at different distances from the brazing filler metal filling point(a)500 ;(b)800 ;(c)1000 (d)2000 , figureFileSmall=txhvpzywQs0m6ULdecvhoQ==, figureFileBig=E7hWwAWU399SIk74MLeTtA==, tableContent=null), ArticleFig(id=1322276140115415058, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图11, caption=
980 ℃/60 min钎焊接头距填放钎料处不同距离微观组织SEM图(a)500 ;(b)800 ;(c)1000 (d)2000 , figureFileSmall=txhvpzywQs0m6ULdecvhoQ==, figureFileBig=E7hWwAWU399SIk74MLeTtA==, tableContent=null), ArticleFig(id=1322276140186718227, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Fig.12, caption=
Microstructure of GH4169 alloy after brazing at 980 ℃/60 min, figureFileSmall=xO6Ub7t6OwLWnrFvQJHp9Q==, figureFileBig=wcLPZ62oIK3SHcSXWLYmiA==, tableContent=null), ArticleFig(id=1322276140245438484, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=图12, caption=
经980 ℃/60 min焊接后GH4169合金的微观组织, figureFileSmall=xO6Ub7t6OwLWnrFvQJHp9Q==, figureFileBig=wcLPZ62oIK3SHcSXWLYmiA==, tableContent=null), ArticleFig(id=1322276140304158741, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Table 1, caption=
Chemical compositions of base metal GH4169 and GH536 (mass fraction/%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Base metal | Cr | Mo | Co | Nb | Ti | Al | W | Ni | Fe |
|---|
| GH4169 | 18.0 | 3.0 | — | 5.0 | 0.9 | 0.5 | — | 54.0 | Bal. |
| GH536 | 20.5 | 8.0 | 0.5 | — | — | 0.1 | 0.2 | Bal. | 17.0 |
), ArticleFig(id=1322276140371267606, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=表1, caption=
母材GH4169及GH536化学成分(质量分数/%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Base metal | Cr | Mo | Co | Nb | Ti | Al | W | Ni | Fe |
|---|
| GH4169 | 18.0 | 3.0 | — | 5.0 | 0.9 | 0.5 | — | 54.0 | Bal. |
| GH536 | 20.5 | 8.0 | 0.5 | — | — | 0.1 | 0.2 | Bal. | 17.0 |
), ArticleFig(id=1322276140438376471, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Table 2, caption=
Chemical compositions of Pd-containing low-melting Ni-based brazing filler metal (mass fraction/%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Value | Pd | Cr | B | Si | Ni |
|---|
| Theoretical | 36.0 | 10.0 | 3.0 | 1.0 | Bal. |
| Measured | 36.3 | 9.8 | 2.8 | 1.1 | Bal. |
), ArticleFig(id=1322276140505485336, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=表2, caption=
含钯低熔镍基钎料化学成分(质量分数/%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Value | Pd | Cr | B | Si | Ni |
|---|
| Theoretical | 36.0 | 10.0 | 3.0 | 1.0 | Bal. |
| Measured | 36.3 | 9.8 | 2.8 | 1.1 | Bal. |
), ArticleFig(id=1322276140585177113, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Table 3, caption=
Brazing process parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| Brazing filler metal | Welding process | Assembly gap/mm |
|---|
| BNi-2 | 1040 ℃/15 min | No |
| PdNi | 970 ℃/120 min | 0.03 |
| PdNi | 980 ℃/20 min+900 ℃/30 min | No |
| PdNi | 980 ℃/60 min | No |
), ArticleFig(id=1322276140648091674, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=表3, caption=
钎焊工艺参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| Brazing filler metal | Welding process | Assembly gap/mm |
|---|
| BNi-2 | 1040 ℃/15 min | No |
| PdNi | 970 ℃/120 min | 0.03 |
| PdNi | 980 ℃/20 min+900 ℃/30 min | No |
| PdNi | 980 ℃/60 min | No |
), ArticleFig(id=1322276140702617627, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Table 4, caption=
Mechanical properties and high-temperature creep rupture performance of joints under brazing conditions at 1040 ℃ for 30 min
, figureFileSmall=null, figureFileBig=null, tableContent=
| Specimen | Tensile strength/MPa | High-temperature rupture/h |
|---|
| A | 421 | 8.4 |
| B | 534 | 9.1 |
| C | 589 | >10 |
), ArticleFig(id=1322276140765532188, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=表4, caption=
1040 ℃/30 min钎焊条件下接头的力学性能及高温持久性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| Specimen | Tensile strength/MPa | High-temperature rupture/h |
|---|
| A | 421 | 8.4 |
| B | 534 | 9.1 |
| C | 589 | >10 |
), ArticleFig(id=1322276140841029661, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Table 5, caption=
Mechanical properties and high-temperature creep rupture performance of joints under brazing conditions at 970 ℃
, figureFileSmall=null, figureFileBig=null, tableContent=
| Specimen | Tensile strength/MPa | High-temperature rupture/h |
|---|
| A | 177 | 1.47 |
| B | 206 | 1.38 |
| C | 381 | 2.36 |
), ArticleFig(id=1322276140908138526, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=表5, caption=
970 ℃钎焊条件下接头的力学性能及高温持久性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| Specimen | Tensile strength/MPa | High-temperature rupture/h |
|---|
| A | 177 | 1.47 |
| B | 206 | 1.38 |
| C | 381 | 2.36 |
), ArticleFig(id=1322276140966858783, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Table 6, caption=
Mechanical properties and high-temperature creep rupture performance of joints under brazing conditions at 980 ℃/20 min+900 ℃/30 min
, figureFileSmall=null, figureFileBig=null, tableContent=
| Specimen | Tensile strength/MPa | High-temperature rupture/h |
|---|
| A | 395 | 8.35 |
| B | 388 | 7.36 |
| C | 475 | 7.96 |
), ArticleFig(id=1322276141033967648, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=表6, caption=
980 ℃/20 min+900 ℃/30 min钎焊条件下接头的力学性能及高温持久性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| Specimen | Tensile strength/MPa | High-temperature rupture/h |
|---|
| A | 395 | 8.35 |
| B | 388 | 7.36 |
| C | 475 | 7.96 |
), ArticleFig(id=1322276141105270817, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Table 7, caption=
EDS spot scanning results of joints at 980 ℃/20 min+900 ℃/30 min(mass fraction/%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Spot | Ni | Pd | Cr | Si | Mo | Nb |
|---|
| 1 | 91.7 | 3.7 | 4.3 | 0.1 | 0.1 | 0.1 |
| 2 | 93.4 | 3.5 | 3.1 | — | — | — |
| 3 | 2.1 | 0.8 | 89.4 | 0.3 | 7.2 | 0.2 |
| 4 | 4.7 | 67.6 | 0.2 | 27.4 | — | — |
| 5 | 39.1 | 43.5 | 1.1 | 16.1 | 0.2 | — |
), ArticleFig(id=1322276141172379682, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=CN, label=表7, caption=
980 ℃/20 min+900 ℃/30 min钎焊接头EDS点扫描结果(质量分数/%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Spot | Ni | Pd | Cr | Si | Mo | Nb |
|---|
| 1 | 91.7 | 3.7 | 4.3 | 0.1 | 0.1 | 0.1 |
| 2 | 93.4 | 3.5 | 3.1 | — | — | — |
| 3 | 2.1 | 0.8 | 89.4 | 0.3 | 7.2 | 0.2 |
| 4 | 4.7 | 67.6 | 0.2 | 27.4 | — | — |
| 5 | 39.1 | 43.5 | 1.1 | 16.1 | 0.2 | — |
), ArticleFig(id=1322276141235294243, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1322276129600295837, language=EN, label=Table 8, caption=
Mechanical properties and high-temperature creep rupture performance of joints under brazing conditions at 980 ℃/60 min
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| Specimen | Tensile strength/MPa | High-temperature rupture/h |
|---|
| A | 499 | >10 |
| B | 562 | >10 |
| C | 586 | >10 |
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980 ℃/60 min焊接条件下接头的力学性能及高温持久性能
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| Specimen | Tensile strength/MPa | High-temperature rupture/h |
|---|
| A | 499 | >10 |
| B | 562 | >10 |
| C | 586 | >10 |
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