Article(id=1190284220623847919, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1190291572731253087, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20250102, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1761715472607, onlineDateStr=2025-10-29, pubDate=1755619200000, pubDateStr=2025-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1761717225860, onlineIssueDateStr=2025-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=1761715472607, onlineFirstDateStr=2025-10-29, sourceXml=null, magXml=null, createTime=1761715472607, creator=13701087609, updateTime=1761715472607, updator=13701087609, issue=Issue{id=1190291572731253087, tenantId=1146029695717560320, journalId=1189873562199433220, year='2025', volume='', issue='8', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1761717225486, creator=13701087609, updateTime=1761717904141, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1190294419279545214, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1190291572731253087, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1190294419279545215, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1190291572731253087, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=67, endPage=72, ext={EN=ArticleExt(id=1190284221248799226, articleId=1190284220623847919, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Study on Microstructure Strengthening Behavior of Dissimilar Copper Alloys under Combined Action of Electric Field and Pressure, columnId=1190284220686766583, journalTitle=Automobile Technology & Material, columnName=Original article, runingTitle=null, highlight=null, articleAbstract=
To address the issue of cooling water leakage in resistance spot welding, this paper analyzes the interface between the electrode cap and the electrode arm. Through microstructural analysis and hardness gradient analysis of the adhesive material on the electrode arm, it is found that for copper alloys of different materials under the combined action of electric fields and pressure, the copper alloy with lower strength undergoes strengthening. This strengthening phenomenon leads to adverse effects in the application of automotive BIW welding.
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为解决电阻点焊冷却水泄漏问题,针对电极帽与电极臂的接口进行分析,通过对电极臂粘连材料进行显微组织分析和硬度梯度分析,发现不同材质的铜合金在电场和压力的复合作用下,强度较低的铜合金发生强化,该强化现象导致在白车身焊接应用场景中产生不良。
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陈英(1985—),女,副教授,硕士学位,研究方向为材料加工方面的科研与教学。
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高勇(1986—),男,工程师,硕士学位,研究方向为白车身生产制造中的工艺技术与效率提升。
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材料导报,
2018,
32(3): 453-460., articleTitle=高强高导铜铬锆合金的最新研究进展, refAbstract=null)], funds=[Fund(id=1190291853250499418, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, awardId=QN2023044, language=CN, fundingSource=河北省教育厅高等学校自然科学研究项目(QN2023044), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1190291847806292757, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, xref=1, ext=[AuthorCompanyExt(id=1190291847814681366, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, companyId=1190291847806292757, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Beijing Benz Automotive Co., Ltd., Beijing 100176), AuthorCompanyExt(id=1190291847818875671, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, companyId=1190291847806292757, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 北京奔驰汽车有限公司, 北京 100176)]), AuthorCompany(id=1190291847881790232, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, xref=2, ext=[AuthorCompanyExt(id=1190291847890178841, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, companyId=1190291847881790232, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Langfang Yanjing Career Technical College, Langfang 065200), AuthorCompanyExt(id=1190291847898567450, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, companyId=1190291847881790232, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 廊坊燕京职业技术学院, 廊坊 065200)])], figs=[ArticleFig(id=1190291850431927094, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=EN, label=null, caption=null, figureFileSmall=QoVINnZGL+qSrct7YaEMfQ==, figureFileBig=Zodx1BUU0b9krWX48Sgttg==, tableContent=null), ArticleFig(id=1190291850536784695, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=CN, label=图1, caption=
不同系列典型铜合金的极限抗拉强度与电导性能[11], figureFileSmall=QoVINnZGL+qSrct7YaEMfQ==, figureFileBig=Zodx1BUU0b9krWX48Sgttg==, tableContent=null), ArticleFig(id=1190291850658419512, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=EN, label=null, caption=null, figureFileSmall=3cgpAsTmzE7PPuoN618VNQ==, figureFileBig=tzVbivclEsXCH3Sdf7lF0A==, tableContent=null), ArticleFig(id=1190291850733916985, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=CN, label=图2, caption=
电阻点焊电阻分布, figureFileSmall=3cgpAsTmzE7PPuoN618VNQ==, figureFileBig=tzVbivclEsXCH3Sdf7lF0A==, tableContent=null), ArticleFig(id=1190291850805220154, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=EN, label=null, caption=null, figureFileSmall=yKqe5LiUWRSngFlCzjcQAA==, figureFileBig=c6wh7UR2TOSllxAmVFXH9Q==, tableContent=null), ArticleFig(id=1190291850901689147, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=CN, label=图3, caption=
电极冷却示意, figureFileSmall=yKqe5LiUWRSngFlCzjcQAA==, figureFileBig=c6wh7UR2TOSllxAmVFXH9Q==, tableContent=null), ArticleFig(id=1190291850972992316, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=EN, label=null, caption=null, figureFileSmall=oT4IyicCWACcN6Uik/VzGA==, figureFileBig=TabLn23XHJfGuh/j2RKv7Q==, tableContent=null), ArticleFig(id=1190291851052684093, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=CN, label=图4, caption=
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电极臂端面材料粘连, figureFileSmall=3fA8h4G4rPTUSlMi6sFyog==, figureFileBig=P2XZtCBiKq5E/nqNw0ubmw==, tableContent=null), ArticleFig(id=1190291851245622080, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=EN, label=null, caption=null, figureFileSmall=k9nIMzY3p4tAwyyRW4TryA==, figureFileBig=FHFuAZzoq7vrb0lUfiaCRw==, tableContent=null), ArticleFig(id=1190291851312730945, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=CN, label=图6, caption=
电极帽内壁表面凹槽, figureFileSmall=k9nIMzY3p4tAwyyRW4TryA==, figureFileBig=FHFuAZzoq7vrb0lUfiaCRw==, tableContent=null), ArticleFig(id=1190291851388228418, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=EN, label=null, caption=null, figureFileSmall=FS3A5eAJX52Rw6DBLGVB1g==, figureFileBig=oozLnGMVKor+ga2k2Suehw==, tableContent=null), ArticleFig(id=1190291851459531587, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=CN, label=图7, caption=
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电极帽粘连位置的金相, figureFileSmall=GIswiz1BmQ87emTRP5cjoQ==, figureFileBig=2MDf8tNpkTyZwmOl+PZ69Q==, tableContent=null), ArticleFig(id=1190291851790881608, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=EN, label=null, caption=null, figureFileSmall=T4w9waWlIuqnQ5+/RRN2Nw==, figureFileBig=ip8obFaEwtagcm6RYlUOTQ==, tableContent=null), ArticleFig(id=1190291851862184777, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1190284220623847919, language=CN, label=图10, caption=
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| 电极帽材质 | 电极臂材质 | 电极臂寿命/天 |
| CuCrZr | CuCrZr | 0.5~2 |
| CuCrZr | CuSiNi | ≥90 |
| CuAl2O3 | CuSiNi | ≥90 |
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不同材质电极帽与电极臂配合时电极臂寿命
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| 电极帽材质 | 电极臂材质 | 电极臂寿命/天 |
| CuCrZr | CuCrZr | 0.5~2 |
| CuCrZr | CuSiNi | ≥90 |
| CuAl2O3 | CuSiNi | ≥90 |
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| 元素 | Cr | Ni | Si | Cu |
| 质量比 | 2.1 | 2.3 | 0.7 | 余量 |
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CuNi2Si电极臂成分表(质量分数) %
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| 元素 | Cr | Ni | Si | Cu |
| 质量比 | 2.1 | 2.3 | 0.7 | 余量 |
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| 读数 | 读数1 | 读数2 | 读数3 | 读数4 | 读数5 | 平均值 |
| 电极臂硬度 | 242 | 240 | 245 | 244 | 243 | 242.8 |
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电极臂硬度表 HV1
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| 读数 | 读数1 | 读数2 | 读数3 | 读数4 | 读数5 | 平均值 |
| 电极臂硬度 | 242 | 240 | 245 | 244 | 243 | 242.8 |
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| 元素 | Cr | Zr | Cu |
| 质量分数 | 0.59 | 0.048 | 余量 |
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CuCrZr电极帽成分表(质量分数) %
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| 元素 | Cr | Zr | Cu |
| 质量分数 | 0.59 | 0.048 | 余量 |
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| 读数 | 读数1 | 读数2 | 读数3 | 读数4 | 读数5 | 平均值 |
| 电极帽硬度 | 171 | 172 | 170 | 169 | 175 | 171.4 |
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CuCrZr电极帽硬度表 HV1
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| 读数 | 读数1 | 读数2 | 读数3 | 读数4 | 读数5 | 平均值 |
| 电极帽硬度 | 171 | 172 | 170 | 169 | 175 | 171.4 |
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| 位置/μm | -60 | -50 | -40 | -30 | -20 | -10 | 0 | 10 | 20 | 30 | 40 |
硬度 /HV0.25 | 246 | 247 | 241 | 247 | 254 | 244 | 232 | 204 | 209 | 206 | 209 |
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电极臂侧硬度梯度分布
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| 位置/μm | -60 | -50 | -40 | -30 | -20 | -10 | 0 | 10 | 20 | 30 | 40 |
硬度 /HV0.25 | 246 | 247 | 241 | 247 | 254 | 244 | 232 | 204 | 209 | 206 | 209 |
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| 位置/μm | 50 | 75 | 100 | 125 | 150 | 175 | 200 | 225 | 250 | 275 | 300 |
硬度 /HV0.25 | 206 | 195 | 197 | 186 | 182 | 180 | 173 | 169 | 167 | 164 | 166 |
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电极帽侧硬度梯度分布
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| 位置/μm | 50 | 75 | 100 | 125 | 150 | 175 | 200 | 225 | 250 | 275 | 300 |
硬度 /HV0.25 | 206 | 195 | 197 | 186 | 182 | 180 | 173 | 169 | 167 | 164 | 166 |
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