Article(id=1241686760321765452, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241686759470329942, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.09.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1744560000000, receivedDateStr=2025-04-14, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773970793085, onlineDateStr=2026-03-20, pubDate=1757865600000, pubDateStr=2025-09-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773970793085, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773970793085, creator=13701087609, updateTime=1773970793085, updator=13701087609, issue=Issue{id=1241686759470329942, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='9', pageStart='1', pageEnd='249', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773970792882, creator=13701087609, updateTime=1773970911747, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241687258093375901, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241686759470329942, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241687258093375902, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241686759470329942, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=182, endPage=189, ext={EN=ArticleExt(id=1241686760577617998, articleId=1241686760321765452, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Effect of Ti content on microstructure and mechanical properties of 960 MPa high strength steel weld metal, columnId=null, journalTitle=Journal of Mechanical Strength, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to improve the comprehensive mechanical properties of 960 MPa high strength steel weld metal, the optimum content of Ti element in 960 MPa high strength steel weld metal was revealed. Firstly, four kinds of weld metals with different Ti contents (0.01%-0.08%) were designed and welded. The effects of Ti content on the microstructure and mechanical properties of welds were systematically studied by scanning electron microscopy, energy dispersive spectroscopy, tensile and impact tests. The effect of Ti content on the initiation energy and propagation energy was evaluated by fracture observation and fracture morphology. The results show that when the Ti content is less than 0.06%, the microstructure of the weld metal changes from granular bainite to granular bainite + acicular ferrite. With the increase of Ti content, the content of acicular ferrite increases significantly. When the Ti content reaches 0.06%, the tensile strength reaches 939 MPa, the elongation reaches 23.5%, the elongation increases by 27% compared with Ti0.01, and the impact absorption energy at -40 ℃ reaches 104 J;when the Ti content increases to 0.08%, the formation of coarse lath bainite and the precipitation of TiN lead to a sharp decrease in plasticity and toughness, the elongation decreases to 18.2%, and the impact energy at -40 ℃ is only 25 J. Ti promotes the nucleation of acicular ferrite and improves the comprehensive mechanical properties by forming TiO2 inclusions.However, excessive Ti will induce the precipitation of brittle phase and the formation of coarse lath bainite, which significantly deteriorates the plasticity and toughness.
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为提高960 MPa高强钢焊缝金属综合力学性能,揭示了960 MPa高强钢焊缝金属中Ti元素的最佳含量。首先,设计并焊接了4种不同Ti含量(0.01%~0.08%)的焊缝金属,通过扫描电子显微镜、能谱仪、拉伸与冲击试验,系统研究了Ti含量对焊缝微观结构与力学性能的影响。结合断口观察与断口显微形貌,评估了Ti含量对起裂能和扩展能的影响。结果表明,当Ti含量小于0.06%时,焊缝金属显微组织由粒状贝氏体转变为粒状贝氏体+针状铁素体;随着Ti含量提升,针状铁素体含量显著增加。当Ti含量达到0.06%时,抗拉强度为939 MPa,延伸率为23.5%,相较于Ti0.01延伸率提升27%,-40 ℃冲击功为104 J;Ti含量增至0.08%时,粗大板条贝氏体的形成与TiN的析出导致塑韧性急剧下降,延伸率降至18.2%,-40 ℃冲击功仅为25 J。Ti通过形成TiO2夹杂物促进针状铁素体形核,改善了焊缝的综合力学性能,但过量的Ti会诱发脆性相析出与粗大的板条贝氏体的形成,显著恶化塑韧性。
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曹睿,女,1977年生,甘肃兰州人,博士,教授;主要研究方向为新材料、异种材料的焊接性、强韧性、腐蚀、变形、损伤及断裂行为;E-mail:
caorui@lut.edu.cn。
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, authorsList=刘梓申, 曹睿, 焦世舜, 杨飞, 朱宇霆, 张克静, 刘春桃)}, authors=[Author(id=1241810803041571200, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=lzsliuzishen@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241810803142234508, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810803041571200, language=EN, stringName=Zishen LIU, firstName=Zishen, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, School of Materials Science and Engineering,Lanzhou University of Technology, Lanzhou 730050, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241810803238703509, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810803041571200, language=CN, stringName=刘梓申, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.兰州理工大学 材料科学与工程学院 省部共建有色金属先进加工与再利用国家重点实验室,兰州 730050, bio={"content":"
刘梓申,男,2001年生,河北唐山人,在读博士研究生;主要研究方向为焊缝金属强韧化;E-mail:lzsliuzishen@163.com。
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刘梓申,男,2001年生,河北唐山人,在读博士研究生;主要研究方向为焊缝金属强韧化;E-mail:lzsliuzishen@163.com。
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1.兰州理工大学 材料科学与工程学院 省部共建有色金属先进加工与再利用国家重点实验室,兰州 730050)])]), Author(id=1241810803351949726, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=caorui@lut.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241810803481973164, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810803351949726, language=EN, stringName=Rui CAO, firstName=Rui, middleName=null, lastName=CAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.兰州理工大学 材料科学与工程学院 省部共建有色金属先进加工与再利用国家重点实验室,兰州 730050)])]), Author(id=1241810803683299775, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, 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=1241810803771380167, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810803683299775, language=EN, stringName=Shishun JIAO, firstName=Shishun, middleName=null, lastName=JIAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, School of Materials Science and Engineering,Lanzhou University of Technology, Lanzhou 730050, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241810803901403602, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810803683299775, language=CN, stringName=焦世舜, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.兰州理工大学 材料科学与工程学院 省部共建有色金属先进加工与再利用国家重点实验室,兰州 730050, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241810802777330031, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, xref=1., ext=[AuthorCompanyExt(id=1241810802785718640, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, companyId=1241810802777330031, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, School of Materials Science and Engineering,Lanzhou University of Technology, Lanzhou 730050, China), AuthorCompanyExt(id=1241810802794107249, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, companyId=1241810802777330031, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.兰州理工大学 材料科学与工程学院 省部共建有色金属先进加工与再利用国家重点实验室,兰州 730050)])]), Author(id=1241810804027232728, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, 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=1241810804148867551, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810804027232728, language=EN, stringName=Fei YANG, firstName=Fei, middleName=null, lastName=YANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.Atlantic China Welding Consumables Co., Ltd., Zigong 643000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241810804304056808, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810804027232728, language=CN, stringName=杨飞, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.四川大西洋焊接材料股份有限公司,自贡 643000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241810802932519290, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, xref=2., ext=[AuthorCompanyExt(id=1241810802940907899, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, companyId=1241810802932519290, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Atlantic China Welding Consumables Co., Ltd., Zigong 643000, China), AuthorCompanyExt(id=1241810802945102204, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, companyId=1241810802932519290, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.四川大西洋焊接材料股份有限公司,自贡 643000)])]), Author(id=1241810804425691635, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, 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=1241810804534743546, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810804425691635, language=EN, stringName=Yuting ZHU, firstName=Yuting, middleName=null, lastName=ZHU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.Atlantic China Welding Consumables Co., Ltd., Zigong 643000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241810804647989760, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810804425691635, language=CN, stringName=朱宇霆, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.四川大西洋焊接材料股份有限公司,自贡 643000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241810802932519290, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, xref=2., ext=[AuthorCompanyExt(id=1241810802940907899, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, companyId=1241810802932519290, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Atlantic China Welding Consumables Co., Ltd., Zigong 643000, China), AuthorCompanyExt(id=1241810802945102204, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, companyId=1241810802932519290, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.四川大西洋焊接材料股份有限公司,自贡 643000)])]), Author(id=1241810804736070155, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, 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=1241810804882870808, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810804736070155, language=EN, stringName=Kejing ZHANG, firstName=Kejing, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.Atlantic China Welding Consumables Co., Ltd., Zigong 643000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241810804991922718, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810804736070155, language=CN, stringName=张克静, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.四川大西洋焊接材料股份有限公司,自贡 643000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241810802932519290, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, xref=2., ext=[AuthorCompanyExt(id=1241810802940907899, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, companyId=1241810802932519290, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.四川大西洋焊接材料股份有限公司,自贡 643000)])]), Author(id=1241810805088391721, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, orderNo=6, 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=1241810805184860718, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, authorId=1241810805088391721, language=EN, stringName=Chuntao LIU, firstName=Chuntao, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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Microstructure observation results of Ti0.01~Ti0.06 weld metal, figureFileSmall=1lczX9Qooc5Z0oCFqJbEsg==, figureFileBig=fJxh7El5R94YCd4tAwWLtA==, tableContent=null), ArticleFig(id=1241810807219098268, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=图3, caption=
Ti0.01~Ti0.06焊缝金属显微组织观察结果, figureFileSmall=1lczX9Qooc5Z0oCFqJbEsg==, figureFileBig=fJxh7El5R94YCd4tAwWLtA==, tableContent=null), ArticleFig(id=1241810807319761572, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Fig.4, caption=
Microstructure of Ti0.08 weld metal observation results, figureFileSmall=Rzs0xbBTuAblprlgFrNuFQ==, figureFileBig=r+xNEn3IrGC7b0rmUY3KTw==, tableContent=null), ArticleFig(id=1241810807420424873, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=图4, caption=
Ti0.08焊缝金属显微组织观察结果, figureFileSmall=Rzs0xbBTuAblprlgFrNuFQ==, figureFileBig=r+xNEn3IrGC7b0rmUY3KTw==, tableContent=null), ArticleFig(id=1241810807491728049, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Fig.5, caption=
Scanning results of inclusions and precipitates in weld metal with different Ti contents, figureFileSmall=TW1qigktIOXwvcGWSIRInA==, figureFileBig=jx8YVIa+p0iQBaHT0yKGyw==, tableContent=null), ArticleFig(id=1241810807579808438, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=图5, caption=
不同Ti含量焊缝金属夹杂物与析出相点扫描结果, figureFileSmall=TW1qigktIOXwvcGWSIRInA==, figureFileBig=jx8YVIa+p0iQBaHT0yKGyw==, tableContent=null), ArticleFig(id=1241810807663694524, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Fig.6, caption=
Macroscopic morphology of tensile fracture of weld metal with different Ti content, figureFileSmall=AfVxug5Xzjwvs3jR+Hpupw==, figureFileBig=VUw5FTkSwYId1GHaGElkxQ==, tableContent=null), ArticleFig(id=1241810807789523654, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=图6, caption=
不同Ti含量下焊缝金属的拉伸断口宏观形貌, figureFileSmall=AfVxug5Xzjwvs3jR+Hpupw==, figureFileBig=VUw5FTkSwYId1GHaGElkxQ==, tableContent=null), ArticleFig(id=1241810807911158483, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Fig.7, caption=
Morphology of the tensile fracture of weld metal with different Ti content, figureFileSmall=esC/hH/8tW8qw5KhZBqdcw==, figureFileBig=2Zl5F7Yo4FvFGcZPRFDDFw==, tableContent=null), ArticleFig(id=1241810808016016091, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=图7, caption=
不同Ti含量下焊缝金属的拉伸断口显微形貌, figureFileSmall=esC/hH/8tW8qw5KhZBqdcw==, figureFileBig=2Zl5F7Yo4FvFGcZPRFDDFw==, tableContent=null), ArticleFig(id=1241810808125067995, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Fig.8, caption=
Morphology of crack initiation zone and radiation zone of impact specimens with different Ti content at -60 ℃, figureFileSmall=S8VG/kmzAjz7lBQij1MjmA==, figureFileBig=FA4w/pSa76zqoXieNV+MFw==, tableContent=null), ArticleFig(id=1241810808225731298, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=图8, caption=
-60 ℃下不同Ti含量冲击试样起裂源区与放射区形貌, figureFileSmall=S8VG/kmzAjz7lBQij1MjmA==, figureFileBig=FA4w/pSa76zqoXieNV+MFw==, tableContent=null), ArticleFig(id=1241810808330588902, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Fig.9, caption=
Relation between the impact energy and (SZW+SCL) length, figureFileSmall=/PnM8NyUxRSw2tSUwADftw==, figureFileBig=MgFq6dQehoivB/gf5fmUFA==, tableContent=null), ArticleFig(id=1241810808489972462, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=图9, caption=
冲击功与(SZW+SCL)长度的关系, figureFileSmall=/PnM8NyUxRSw2tSUwADftw==, figureFileBig=MgFq6dQehoivB/gf5fmUFA==, tableContent=null), ArticleFig(id=1241810808624190196, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Fig.10, caption=
Effect of Ti content on SZW and SCL, figureFileSmall=gjepWRAErwLz38yorwHHZw==, figureFileBig=dOztyW8jtyl5XqfsazN51w==, tableContent=null), ArticleFig(id=1241810808716464889, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=图10, caption=
Ti含量对SZW与SCL的影响, figureFileSmall=gjepWRAErwLz38yorwHHZw==, figureFileBig=dOztyW8jtyl5XqfsazN51w==, tableContent=null), ArticleFig(id=1241810808808739582, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Tab.1, caption=
Welding process parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
焊接电压 Welding voltage/V | 焊接电流 Welding current/A | 焊接速度 Welding speed/(mm/s) | 层间温度 Layer temperature/℃ |
|---|
| 23~27 | 163 | 2.75 | 140~150 |
), ArticleFig(id=1241810808921985797, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=表1, caption=
焊接工艺参数
, figureFileSmall=null, figureFileBig=null, tableContent=
焊接电压 Welding voltage/V | 焊接电流 Welding current/A | 焊接速度 Welding speed/(mm/s) | 层间温度 Layer temperature/℃ |
|---|
| 23~27 | 163 | 2.75 | 140~150 |
), ArticleFig(id=1241810809060397838, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Tab.2, caption=
Alloying element content of the weld metal
, figureFileSmall=null, figureFileBig=null, tableContent=
| C | Si | Mn | Cr | Ni | Mo | V | Ti | Fe |
|---|
| Ti0.01 | 0.07 | 0.23 | 1.74 | 0.09 | 2.79 | 0.66 | 0.006 | 0.010 | 余量Bal. |
| Ti0.03 | 0.08 | 0.30 | 1.78 | 0.12 | 2.78 | 0.73 | 0.009 | 0.028 | 余量Bal. |
| Ti0.06 | 0.08 | 0.35 | 1.40 | 0.10 | 2.83 | 0.69 | 0.009 | 0.059 | 余量Bal. |
| Ti0.08 | 0.08 | 0.57 | 1.44 | 0.11 | 2.67 | 0.65 | 0.011 | 0.078 | 余量Bal. |
), ArticleFig(id=1241810809152672528, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=表2, caption=
焊缝金属的合金元素含量
, figureFileSmall=null, figureFileBig=null, tableContent=
| C | Si | Mn | Cr | Ni | Mo | V | Ti | Fe |
|---|
| Ti0.01 | 0.07 | 0.23 | 1.74 | 0.09 | 2.79 | 0.66 | 0.006 | 0.010 | 余量Bal. |
| Ti0.03 | 0.08 | 0.30 | 1.78 | 0.12 | 2.78 | 0.73 | 0.009 | 0.028 | 余量Bal. |
| Ti0.06 | 0.08 | 0.35 | 1.40 | 0.10 | 2.83 | 0.69 | 0.009 | 0.059 | 余量Bal. |
| Ti0.08 | 0.08 | 0.57 | 1.44 | 0.11 | 2.67 | 0.65 | 0.011 | 0.078 | 余量Bal. |
), ArticleFig(id=1241810809249141526, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Tab.3, caption=
Changes of hardness in different regions of weld metal with different Ti content
, figureFileSmall=null, figureFileBig=null, tableContent=
样品 Specimen | 再热晶区 Reheated crystal zone/HV | 柱状晶区 Columnar crystal zone/HV | 中心粗晶区 Central coarse crystal zone/HV |
|---|
| Ti0.01 | 274 | 316 | — |
| Ti0.03 | 303 | 318 | |
| Ti0.06 | 286 | 292 | — |
| Ti0.08 | 303 | 305 | 350 |
), ArticleFig(id=1241810809333027612, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=表3, caption=
不同Ti含量下焊缝金属不同区域的硬度变化
, figureFileSmall=null, figureFileBig=null, tableContent=
样品 Specimen | 再热晶区 Reheated crystal zone/HV | 柱状晶区 Columnar crystal zone/HV | 中心粗晶区 Central coarse crystal zone/HV |
|---|
| Ti0.01 | 274 | 316 | — |
| Ti0.03 | 303 | 318 | |
| Ti0.06 | 286 | 292 | — |
| Ti0.08 | 303 | 305 | 350 |
), ArticleFig(id=1241810809408525087, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Tab.4, caption=
Strength and elongation of weld metal with different Ti content
, figureFileSmall=null, figureFileBig=null, tableContent=
样品 Specimen | 屈服强度 Yield strength/MPa | 抗拉强度 Tensile strength/MPa | 延伸率 Elongation/% |
|---|
| Ti0.01 | 821 | 866 | 18.5 |
| Ti0.03 | 894 | 958 | 20.0 |
| Ti0.06 | 868 | 939 | 23.5 |
| Ti0.08 | 938 | 998 | 18.2 |
), ArticleFig(id=1241810809509188387, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=表4, caption=
不同Ti含量下焊缝金属的强度与延伸率
, figureFileSmall=null, figureFileBig=null, tableContent=
样品 Specimen | 屈服强度 Yield strength/MPa | 抗拉强度 Tensile strength/MPa | 延伸率 Elongation/% |
|---|
| Ti0.01 | 821 | 866 | 18.5 |
| Ti0.03 | 894 | 958 | 20.0 |
| Ti0.06 | 868 | 939 | 23.5 |
| Ti0.08 | 938 | 998 | 18.2 |
), ArticleFig(id=1241810809614045996, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=EN, label=Tab.5, caption=
Impact energy of weld metal at-40 °C and-60 °C under different Ti content
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品Specimen | 冲击功Impact energy/J |
|---|
| -40 ℃ | -60 ℃ |
|---|
| Ti0.01 | 94 | 80 |
| Ti0.03 | 96 | 77 |
| Ti0.06 | 104 | 82 |
| Ti0.08 | 25 | 19 |
), ArticleFig(id=1241810809735680818, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686760321765452, language=CN, label=表5, caption=
不同Ti含量焊缝金属在-40 ℃与-60 ℃下冲击功
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品Specimen | 冲击功Impact energy/J |
|---|
| -40 ℃ | -60 ℃ |
|---|
| Ti0.01 | 94 | 80 |
| Ti0.03 | 96 | 77 |
| Ti0.06 | 104 | 82 |
| Ti0.08 | 25 | 19 |
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