Article(id=1215700812072932167, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1215700809971581533, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202312184, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1702569600000, receivedDateStr=2023-12-15, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1767775260226, onlineDateStr=2026-01-07, pubDate=1716566400000, pubDateStr=2024-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1767775260226, onlineIssueDateStr=2026-01-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1767775260226, creator=13701087609, updateTime=1767775260226, updator=13701087609, issue=Issue{id=1215700809971581533, tenantId=1146029695717560320, journalId=1210938733613449225, year='2024', volume='53', issue='5', pageStart='1', pageEnd='148', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1767775259725, creator=13701087609, updateTime=1767775403954, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1215701414953796264, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1215700809971581533, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1215701414953796265, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1215700809971581533, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=10, endPage=18, ext={EN=ArticleExt(id=1215700812278453065, articleId=1215700812072932167, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Research on microstructural and mechanical properties of rotational friction welded joints of HT700 superalloy, columnId=1215700810680418912, journalTitle=Thermal Power Generation, columnName=Power plant chemistry and materials research, runingTitle=null, highlight=null, articleAbstract=
The HT700 superalloy was joined by rotational friction welding (RFW) method, and the welded specimens were subjected to post weld heat treatment (PWTH). The microstructural evolution and mechanical properties of the joints were systematically investigated by optical microscopy, scanning electron microscopy, transmission electron microscope, micro-hardness, and tensile tests at both room temperature and 750 ℃. The results show that, the as-welded joint shows three typical zones across the weldline: weld center zone (WCZ), thermomechanically affected zone (TMAZ), and heat affected zone (HAZ), in which the microstructure gradually changes from equiaxed fine grains (WCZ) and deformed coarse grains (TMAZ) to equiaxed grains (HAZ) that are similar to the base material. The dynamic recrystallization and dissolution of strengthening phases have occurred in the WCZ during RFW, in which γ′ strengthening phase dissolves to a larger extent than M23C6 or MC carbides. The microstructure of the as-welded joint including the grain size, shape, and the distribution of precipitates gradually changes from the weldline to the parent alloy. Consequently, the as-welded joints exhibit relatively poor mechanical properties due to the dissolution of γ′ which becomes even worse at 750 ℃ because of the grain-boundary sliding. After PWHT, the as-welded microstructure can be homogenized by grain growth and the re-precipitation of strengthening phases, which is responsible for the remarkable improvement in tensile strength at both room and high temperature after PWHT. And the high-temperature ductility of PWTH joints has been improved to a certain extent. This study gives new insights into the high-quality welding of the HT700 superalloy.
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用旋转摩擦焊接(RFW)方法对HT700高温合金进行焊接,并对焊接试样进行焊后热处理(PWTH)。通过光学显微镜、扫描电子显微镜、透射电子显微镜、显微硬度计、室温和750 ℃拉伸实验,对接头微观组织和力学性能进行系统研究。结果表明:焊态接头分为焊缝中心区(WCZ)、热力影响区(TMAZ)和热影响区(HAZ)3个典型区域,其中显微组织从等轴细晶粒(WCZ)、变形粗晶粒(TMAZ)逐渐转变为与母材类似的等轴晶粒(HAZ);RFW过程中WCZ发生了动态再结晶及强化相的溶解,其中γ′强化相的溶解程度大于M23C6或MC碳化物;从焊接界面到母材,焊态接头的晶粒尺寸、形状和强化相分布等微观结构逐渐发生变化,γ′相的溶解导致焊态接头力学性能较差,且在750 ℃时,晶界滑动使其力学性能进一步下降;焊后热处理后,晶粒生长、强化相的再析出和焊后微观组织均匀化使得接头室温和高温拉伸强度显著提高,且接头高温延展性得到一定程度的改善。本研究可为HT700高温合金的高质量焊接提供新思路。
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, authorsList=陈文学, 鲁金涛, 黄锦阳, 徐雅欣, 党莹樱, 李文亚)}, authors=[Author(id=1215700814946030459, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=chenwx0529@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1215700815084442497, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700814946030459, language=EN, stringName=Wenxue CHEN, firstName=Wenxue, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.National Key Laboratory of High-Efficiency Flexible Coal Power Generation and Carbon Capture Utilization and Storage, Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China
2.School of Material Sciences and Engineering, Northwestern Polytechnical University, Xi’an 710072, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1215700815180911491, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700814946030459, language=CN, stringName=陈文学, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.西安热工研究院有限公司高效灵活煤电及碳捕集利用封存全国重点实验室,陕西 西安 710054
2.西北工业大学材料学院,陕西 西安 710072, bio={"content":"
陈文学(1997),男,硕士研究生,主要研究方向为旋转摩擦焊,chenwx0529@163.com。
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陈文学(1997),男,硕士研究生,主要研究方向为旋转摩擦焊,chenwx0529@163.com。
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1.西安热工研究院有限公司高效灵活煤电及碳捕集利用封存全国重点实验室,陕西 西安 710054)]), AuthorCompany(id=1215700814845367156, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, xref=2., ext=[AuthorCompanyExt(id=1215700814857950069, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, companyId=1215700814845367156, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.西北工业大学材料学院,陕西 西安 710072)])]), Author(id=1215700815268991878, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, orderNo=1, 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=1215700815394821004, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700815268991878, language=EN, stringName=Jintao LU, firstName=Jintao, middleName=null, lastName=LU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.National Key Laboratory of High-Efficiency Flexible Coal Power Generation and Carbon Capture Utilization and Storage, Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1215700815499678609, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700815268991878, language=CN, stringName=鲁金涛, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.西安热工研究院有限公司高效灵活煤电及碳捕集利用封存全国重点实验室,陕西 西安 710054, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1215700814744703854, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, xref=1., ext=[AuthorCompanyExt(id=1215700814757286768, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, companyId=1215700814744703854, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.National Key Laboratory of High-Efficiency Flexible Coal Power Generation and Carbon Capture Utilization and Storage, Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China), AuthorCompanyExt(id=1215700814769869681, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, companyId=1215700814744703854, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.西安热工研究院有限公司高效灵活煤电及碳捕集利用封存全国重点实验室,陕西 西安 710054)])]), Author(id=1215700815587758999, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, 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=1215700815726171035, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700815587758999, language=EN, stringName=Jinyang HUANG, firstName=Jinyang, middleName=null, lastName=HUANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.National Key Laboratory of High-Efficiency Flexible Coal Power Generation and Carbon Capture Utilization and Storage, Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1215700815797474206, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700815587758999, language=CN, stringName=黄锦阳, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.西安热工研究院有限公司高效灵活煤电及碳捕集利用封存全国重点实验室,陕西 西安 710054, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1215700814744703854, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, xref=1., ext=[AuthorCompanyExt(id=1215700814757286768, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, companyId=1215700814744703854, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.National Key Laboratory of High-Efficiency Flexible Coal Power Generation and Carbon Capture Utilization and Storage, Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China), AuthorCompanyExt(id=1215700814769869681, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, companyId=1215700814744703854, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.西安热工研究院有限公司高效灵活煤电及碳捕集利用封存全国重点实验室,陕西 西安 710054)])]), Author(id=1215700815877165987, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xu.yaxin@nwpu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1215700816023966633, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700815877165987, language=EN, stringName=Yaxin XU, firstName=Yaxin, middleName=null, lastName=XU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.School of Material Sciences and Engineering, Northwestern Polytechnical University, Xi’an 710072, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1215700816103658411, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700815877165987, language=CN, stringName=徐雅欣, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.西北工业大学材料学院,陕西 西安 710072, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1215700814845367156, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, xref=2., ext=[AuthorCompanyExt(id=1215700814857950069, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, companyId=1215700814845367156, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.西北工业大学材料学院,陕西 西安 710072)])]), Author(id=1215700816216904623, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, orderNo=4, 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=1215700816313373622, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700816216904623, language=EN, stringName=Yingying DANG, firstName=Yingying, middleName=null, lastName=DANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.National Key Laboratory of High-Efficiency Flexible Coal Power Generation and Carbon Capture Utilization and Storage, Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1215700816418231230, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700816216904623, language=CN, stringName=党莹樱, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.西安热工研究院有限公司高效灵活煤电及碳捕集利用封存全国重点实验室,陕西 西安 710054, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1215700814744703854, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, xref=1., ext=[AuthorCompanyExt(id=1215700814757286768, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, companyId=1215700814744703854, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.西安热工研究院有限公司高效灵活煤电及碳捕集利用封存全国重点实验室,陕西 西安 710054)])]), Author(id=1215700816523088840, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, orderNo=5, 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=1215700816606974926, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700816523088840, language=EN, stringName=Wenya LI, firstName=Wenya, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.School of Material Sciences and Engineering, Northwestern Polytechnical University, Xi’an 710072, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1215700816741192659, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, authorId=1215700816523088840, language=CN, stringName=李文亚, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
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TURKER M,
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SAHIN M. Evaluation of the joint-interface properties of austenitic-stainless steels (AISI 304) joined by friction welding[J].
Materials & Design,
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28(7): 2244-2250., articleTitle=Evaluation of the joint-interface properties of austenitic-stainless steels (AISI 304) joined by friction welding, refAbstract=null)], funds=[Fund(id=1215700821677887657, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, awardId=52271070, language=EN, fundingSource=National Natural Science Foundation of China(52271070), fundOrder=null, country=null), Fund(id=1215700821774356654, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, awardId=52271070, language=CN, fundingSource=国家自然科学基金项目(52271070), fundOrder=null, country=null), Fund(id=1215700821900185781, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, awardId=HNKJ23-H56, language=EN, fundingSource=Science and Technology Project of Huaneng Group Co., Ltd.(HNKJ23-H56), fundOrder=null, country=null), Fund(id=1215700822000849083, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, awardId=HNKJ23-H56, language=CN, fundingSource=中国华能集团有限公司重点科技项目(HNKJ23-H56), fundOrder=null, country=null), Fund(id=1215700822147649734, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, awardId=52371036, language=EN, fundingSource=General Project of National Natural Science Foundation of China(52371036), fundOrder=null, country=null), Fund(id=1215700822290256076, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, awardId=52371036, language=CN, fundingSource=国家自然科学基金面上项目(52371036), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1215700814744703854, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, xref=1., ext=[AuthorCompanyExt(id=1215700814757286768, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, companyId=1215700814744703854, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.西安热工研究院有限公司高效灵活煤电及碳捕集利用封存全国重点实验室,陕西 西安 710054)]), AuthorCompany(id=1215700814845367156, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, xref=2., ext=[AuthorCompanyExt(id=1215700814857950069, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, companyId=1215700814845367156, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.西北工业大学材料学院,陕西 西安 710072)])], figs=[ArticleFig(id=1215700818058203165, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Fig.1, caption=
Cutting method and dimensions of tensile test specimens (mm), figureFileSmall=Fb+peRNWuhpP6pyO1XBbuA==, figureFileBig=yPXVR4b1jq1X7N3SyviiAA==, tableContent=null), ArticleFig(id=1215700818167255074, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=图1, caption=
拉伸试样的切割方法和尺寸(mm), figureFileSmall=Fb+peRNWuhpP6pyO1XBbuA==, figureFileBig=yPXVR4b1jq1X7N3SyviiAA==, tableContent=null), ArticleFig(id=1215700818439884846, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Fig.2, caption=
SEM microstructure of the base material and precipitates, figureFileSmall=0kl2kHqemEidMsb6b/1Rvw==, figureFileBig=jqrZ/tNR130gy043Sj9yEg==, tableContent=null), ArticleFig(id=1215700818511188019, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=图2, caption=
母材的微观组织和强化相SEM显微照片, figureFileSmall=0kl2kHqemEidMsb6b/1Rvw==, figureFileBig=jqrZ/tNR130gy043Sj9yEg==, tableContent=null), ArticleFig(id=1215700818586685497, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Fig.3, caption=
Typical macro appearance and OM micrograph of the as-welded joint, figureFileSmall=1FLlokLXvLrnLgTnHEsmBQ==, figureFileBig=Fw8a3eK8r5fyVSlUa3+UkQ==, tableContent=null), ArticleFig(id=1215700818674765886, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=图3, caption=
焊态接头的典型宏观形貌和OM显微照片, figureFileSmall=1FLlokLXvLrnLgTnHEsmBQ==, figureFileBig=Fw8a3eK8r5fyVSlUa3+UkQ==, tableContent=null), ArticleFig(id=1215700818750263363, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Fig.4, caption=
SEM micrographs of the as-welded joint , figureFileSmall=XBGyyTKbetjdOvs8by0mRw==, figureFileBig=qxzyjuirO5gs+TBGTvmNwg==, tableContent=null), ArticleFig(id=1215700818972561484, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=图4, caption=
焊态接头SEM显微照片, figureFileSmall=XBGyyTKbetjdOvs8by0mRw==, figureFileBig=qxzyjuirO5gs+TBGTvmNwg==, tableContent=null), ArticleFig(id=1215700819081613393, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Fig.5, caption=
TEM dark-field images of γ′ in the as-welded joint in the WCZ, figureFileSmall=p7e7qqSlpBsDzg4YSSJ+6g==, figureFileBig=cjX37P85+s7yeUkJ+vEC6Q==, tableContent=null), ArticleFig(id=1215700820327321688, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=图5, caption=
WCZ焊态接头中γ′的TEM暗场图像, figureFileSmall=p7e7qqSlpBsDzg4YSSJ+6g==, figureFileBig=cjX37P85+s7yeUkJ+vEC6Q==, tableContent=null), ArticleFig(id=1215700820444762209, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Fig.6, caption=
SEM micrographs of different locations of PWHT joints: microstructure evolution of MC, M23C6 and γ′, figureFileSmall=cdgm0OswVk7L4yYEX0FUqg==, figureFileBig=p8Z3usT9oxB63PcKIXgY7g==, tableContent=null), ArticleFig(id=1215700820558008425, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=图6, caption=
PWHT接头不同位置的SEM显微照片:PWHT后MC、M23C6和γ′的微观结构演变, figureFileSmall=cdgm0OswVk7L4yYEX0FUqg==, figureFileBig=p8Z3usT9oxB63PcKIXgY7g==, tableContent=null), ArticleFig(id=1215700820646088814, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Fig.7, caption=
Microhardness distribution of weld interface before and after PWHT, figureFileSmall=R02/8R85gA5UJMruQOrw4w==, figureFileBig=2bzkORI/hWRXhh9Z87q9gg==, tableContent=null), ArticleFig(id=1215700820780306548, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=图7, caption=
PWHT前后焊缝界面的显微硬度分布, figureFileSmall=R02/8R85gA5UJMruQOrw4w==, figureFileBig=2bzkORI/hWRXhh9Z87q9gg==, tableContent=null), ArticleFig(id=1215700820880969850, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Fig.8, caption=
Tensile properties of joints, figureFileSmall=WEJNv1CjbOOmXL0GFpgDow==, figureFileBig=e6u5ORq041t7MebMu9m2nw==, tableContent=null), ArticleFig(id=1215700821006798976, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=图8, caption=
接头的拉伸性能, figureFileSmall=WEJNv1CjbOOmXL0GFpgDow==, figureFileBig=e6u5ORq041t7MebMu9m2nw==, tableContent=null), ArticleFig(id=1215700821103267973, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Fig.9, caption=
Fracture appearance of tensile specimens under different conditions, figureFileSmall=x0FJOmAzbukrw65O8u7D4w==, figureFileBig=HoacAXFz9DK3WAUsdeb6Zg==, tableContent=null), ArticleFig(id=1215700821187154060, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=图9, caption=
不同条件下拉伸试样断裂外观, figureFileSmall=x0FJOmAzbukrw65O8u7D4w==, figureFileBig=HoacAXFz9DK3WAUsdeb6Zg==, tableContent=null), ArticleFig(id=1215700821338149012, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=EN, label=Tab.1, caption=
Nominal chemical composition of the used HT700 superalloy
, figureFileSmall=null, figureFileBig=null, tableContent=
| Fe | Cr | Mo+Nb+W | Co | Ti+Al | C | B | Si | Ni |
|---|
| 25.000~28.000 | 19.000~22.000 | 0.300~1.000 | 1.000~3.000 | 4.000~5.000 | 0.030~0.060 | 0.002~0.004 | ≤0.250 | 其余 |
), ArticleFig(id=1215700821472366747, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1215700812072932167, language=CN, label=表1, caption=
HT700高温合金化学成分
, figureFileSmall=null, figureFileBig=null, tableContent=
| Fe | Cr | Mo+Nb+W | Co | Ti+Al | C | B | Si | Ni |
|---|
| 25.000~28.000 | 19.000~22.000 | 0.300~1.000 | 1.000~3.000 | 4.000~5.000 | 0.030~0.060 | 0.002~0.004 | ≤0.250 | 其余 |
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