Article(id=1210519406925443221, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1210382907521242019, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20230148, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1766539916974, onlineDateStr=2025-12-24, pubDate=1708358400000, pubDateStr=2024-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766539916974, onlineIssueDateStr=2025-12-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766539916974, creator=13701087609, updateTime=1766539916974, updator=13701087609, issue=Issue{id=1210382907521242019, tenantId=1146029695717560320, journalId=1189873562199433220, year='2024', volume='', issue='2', 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=1766507372980, creator=13701087609, updateTime=1766507372980, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=19, endPage=24, ext={EN=ArticleExt(id=1210519407185490071, articleId=1210519406925443221, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Bonding Research and Application of Carbon Fiber Reinforced Polymer in Underbody, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Carbon Fiber Reinforced Polymer (CFRP) is a material with excellent mechanical properties. The application of bonding CFRP parts with body has not been realized in mass automobile production in China. The article described the performance test on CFRP parts bonding with aluminum material and the optimization of process flow. The bonding process flow and process parameters of each process of CFRP on ES6 were ultimately determined based on the test of the curing strength of adhesive under different conditions and the influence of external factors on the adhesive bonding strength, Thus, for the first time, CFRP was applied to the body structure of new energy vehicle on a large scale (production capacity 20 job/hour) in China.
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碳纤维复合材料(CFRP)是一种力学性能优异的材料,在国内大批量的汽车生产中,尚未实现CFRP与汽车车身的粘接应用。阐述了CFRP与铝合金材料粘接后的性能测试结果以及工艺流程的优化方案,通过测试结构胶在不同工艺下的固化强度以及外界因素对胶体粘接强度的影响,最终确定ES6车型CFRP粘接工艺流程以及各工序的工艺参数,在国内首次实现了将CFRP大规模(生产线产能20 辆/h)应用于新能源汽车的车身结构件。
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陈茂江(1968-),男,高级工程师,研究方向为汽车涂装生产线前瞻技术以及汽车涂装工艺及材料。
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1 恒大新能源汽车投资控股集团有限公司, 广州 511466, bio={"content":"
陈茂江(1968-),男,高级工程师,研究方向为汽车涂装生产线前瞻技术以及汽车涂装工艺及材料。
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陈茂江(1968-),男,高级工程师,研究方向为汽车涂装生产线前瞻技术以及汽车涂装工艺及材料。
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2023(3): 42-45., articleTitle=碳纤维复合材料及其连接技术在汽车白车身的应用, refAbstract=null), Reference(id=1210519413414031588, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, doi=null, pmid=null, pmcid=null, year=2008, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=全国胶粘剂标准化技术委员会, journalName=北京, refType=null, unstructuredReference=全国胶粘剂标准化技术委员会.胶粘剂拉伸剪切强度的测定(刚性材料对刚性材料): GB/T 7124-2008[S].
北京: 中国标准出版社,
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测试使用的红外线烤灯温度-时间设置, figureFileSmall=fgeqaepcol9ORHwTiv6ArA==, figureFileBig=bHo+bwIIt7x2PV2vFrXNUQ==, tableContent=null), ArticleFig(id=1210519411996356815, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=EN, label=null, caption=null, figureFileSmall=1nmSuLlHE6AYK5kiEf+lqA==, figureFileBig=JPM/NPUKjlU5XBP0N0ozxA==, tableContent=null), ArticleFig(id=1210519412063465680, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=CN, label=图4, caption=
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结构胶自然固化效果, figureFileSmall=IQ2koIaAJj8P/U7IWyi/2w==, figureFileBig=xxXYIPO1IjFJnjt/KDBTJQ==, tableContent=null), ArticleFig(id=1210519412231237843, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=EN, label=null, caption=null, figureFileSmall=avLPIyht4gFb3pY3w5eQlQ==, figureFileBig=M6pKc5WtnUsztpuDzr5ihA==, tableContent=null), ArticleFig(id=1210519412298346708, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=CN, label=图6, caption=
测试1结果, figureFileSmall=avLPIyht4gFb3pY3w5eQlQ==, figureFileBig=M6pKc5WtnUsztpuDzr5ihA==, tableContent=null), ArticleFig(id=1210519412365455573, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=EN, label=null, caption=null, figureFileSmall=Pqvi3qZTqiWmg3mDr3aXwA==, figureFileBig=LypW1N8Kbw1fCtEthWLzsQ==, tableContent=null), ArticleFig(id=1210519412424175830, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=CN, label=图7, caption=
测试2结果, figureFileSmall=Pqvi3qZTqiWmg3mDr3aXwA==, figureFileBig=LypW1N8Kbw1fCtEthWLzsQ==, tableContent=null), ArticleFig(id=1210519412495478999, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=EN, label=null, caption=null, figureFileSmall=1K9/dop0QRB66fE5VAOUpQ==, figureFileBig=5UtBmh8F9sNi98pOPEK7gQ==, tableContent=null), ArticleFig(id=1210519412579365080, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=CN, label=图8, caption=
承重强度测试结果, figureFileSmall=1K9/dop0QRB66fE5VAOUpQ==, figureFileBig=5UtBmh8F9sNi98pOPEK7gQ==, tableContent=null), ArticleFig(id=1210519412638085337, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=EN, label=null, caption=null, figureFileSmall=A6L3zOPuCaR++gAyScBX5A==, figureFileBig=NTTl61M7KgAw9SbDE4aIjQ==, tableContent=null), ArticleFig(id=1210519412700999898, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=CN, label=图9, caption=
表面处理效果测试结果, figureFileSmall=A6L3zOPuCaR++gAyScBX5A==, figureFileBig=NTTl61M7KgAw9SbDE4aIjQ==, tableContent=null), ArticleFig(id=1210519412768108763, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=EN, label=null, caption=null, figureFileSmall=qVbGCKsVQsL1vn1tP5ow4A==, figureFileBig=9QTPQpWknLgOVttjevSCiw==, tableContent=null), ArticleFig(id=1210519412835217628, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=CN, label=图10, caption=
CFRP粘接生产线工艺流程及关键工艺参数, figureFileSmall=qVbGCKsVQsL1vn1tP5ow4A==, figureFileBig=9QTPQpWknLgOVttjevSCiw==, tableContent=null), ArticleFig(id=1210519412902326493, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=EN, label=null, caption=null, figureFileSmall=H7it9Gh1EN9bb/WGlCIZSA==, figureFileBig=Z7E8rzN2HzmK5sxw4DYgZQ==, tableContent=null), ArticleFig(id=1210519412973629662, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=CN, label=图11, caption=
CFRP一期生产线总体布置, figureFileSmall=H7it9Gh1EN9bb/WGlCIZSA==, figureFileBig=Z7E8rzN2HzmK5sxw4DYgZQ==, tableContent=null), ArticleFig(id=1210519413053321439, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 连接工艺 | 优点 | 缺点 |
| 机械连接 | a.便于检查,可靠性高 b.可重复装配,维修性好 c.无残余应力 d.受环境影响小 | a.制孔后周围局部应力集中,降低了连接效率 b.打孔后层压板局部强度下降,需局部加厚 c.制孔要求较高 d.电化学腐蚀 e.热膨胀系数不匹配 |
| 胶接 | a.无钻孔引起的应力集中,层压板强度不受影响 b.抗疲劳、密封减振、绝缘性好 c.组织裂纹扩展,安全性好 d.不同材料无电化学腐蚀 | a.强度分散性大,剥离强度低,难以传递大载荷 b.受环境影响大,易老化 c.胶接面需特殊处理,工艺要求严格且复杂,周期长 d.永久性连接,胶接后不可拆卸,补修困难 |
| 焊接 | a.无需打孔,可避免应力集中 b.连接强度好 | a.只能应用于热塑性碳纤维材料 b.不可拆卸 |
| 混合连接 | a.可以阻止或延缓胶层损伤的扩展,提高抗剥离、抗冲击、抗疲劳和抗蠕变等性能 b.具备密封、减振、绝缘的情况下进一步扩大连接强度,提高载荷传递能力 c.隔离金属紧固件与复合材料,无电化学腐蚀 | a.成本增加 b.结构质量增加 c.孔应力集中问题 |
), ArticleFig(id=1210519413128818912, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=CN, label=表1, caption=
4种不同连接技术的优缺点对比
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| 连接工艺 | 优点 | 缺点 |
| 机械连接 | a.便于检查,可靠性高 b.可重复装配,维修性好 c.无残余应力 d.受环境影响小 | a.制孔后周围局部应力集中,降低了连接效率 b.打孔后层压板局部强度下降,需局部加厚 c.制孔要求较高 d.电化学腐蚀 e.热膨胀系数不匹配 |
| 胶接 | a.无钻孔引起的应力集中,层压板强度不受影响 b.抗疲劳、密封减振、绝缘性好 c.组织裂纹扩展,安全性好 d.不同材料无电化学腐蚀 | a.强度分散性大,剥离强度低,难以传递大载荷 b.受环境影响大,易老化 c.胶接面需特殊处理,工艺要求严格且复杂,周期长 d.永久性连接,胶接后不可拆卸,补修困难 |
| 焊接 | a.无需打孔,可避免应力集中 b.连接强度好 | a.只能应用于热塑性碳纤维材料 b.不可拆卸 |
| 混合连接 | a.可以阻止或延缓胶层损伤的扩展,提高抗剥离、抗冲击、抗疲劳和抗蠕变等性能 b.具备密封、减振、绝缘的情况下进一步扩大连接强度,提高载荷传递能力 c.隔离金属紧固件与复合材料,无电化学腐蚀 | a.成本增加 b.结构质量增加 c.孔应力集中问题 |
), ArticleFig(id=1210519413200122081, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 参数 |
| 开放时间/min | 8~10 |
| 达到操作强度(0.25 MPa)的时间/min | ≈40 (常温), 1(加热) |
| 拉伸强度/MPa | ≈11 |
| 断裂伸长率 | ≈180% |
| 搭接剪切强度(厚度1.5mm) /MPa | ≈10 |
| 弹性模量/MPa | 11 |
| 适用的材料组合 | CFRP/电泳钢 CFRP/电泳铝 CFRP/CFRP |
), ArticleFig(id=1210519413275619554, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210519406925443221, language=CN, label=表2, caption=
双组分结构胶的技术参数
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| 项目 | 参数 |
| 开放时间/min | 8~10 |
| 达到操作强度(0.25 MPa)的时间/min | ≈40 (常温), 1(加热) |
| 拉伸强度/MPa | ≈11 |
| 断裂伸长率 | ≈180% |
| 搭接剪切强度(厚度1.5mm) /MPa | ≈10 |
| 弹性模量/MPa | 11 |
| 适用的材料组合 | CFRP/电泳钢 CFRP/电泳铝 CFRP/CFRP |
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