吉林大学学报(工学版) ›› 2019, Vol. 49 ›› Issue (3): 816-821.doi: 10.13229/j.cnki.jdxbgxb20180263

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金属表面特征与金属⁃塑料直接连接强度的相关性

马芳武1,2(),陈实现1,2,韩露1,2,梁鸿宇1,2,蒲永锋1,2()   

  1. 1. 吉林大学 汽车仿真与控制国家重点实验室, 长春 130022
    2. 吉林大学 青岛汽车研究院, 山东 青岛 266043
  • 收稿日期:2018-03-23 出版日期:2019-05-01 发布日期:2019-07-12
  • 通讯作者: 蒲永锋 E-mail:mikema@jlu.edu.cn;puyongfeng@jlu.edu.cn
  • 作者简介:马芳武(1960?)，男，教授，博士生导师. 研究方向：汽车轻量化、NVH和智能化技术.E?mail: mikema@jlu.edu.cn
  • 基金资助:
    国家重点研发计划项目(2016YFB0101601);吉林省省校共建计划专项项目(SXGJQY2017?7,SXGJSF2017?2?1?5);吉林省产业创新专项项目(2019C041?2)

Correlation between metal surface morphology and metal⁃plastic direct adhesion strength

Fang⁃wu MA1,2(),Shi⁃xian CHEN1,2,Lu HAN1,2,Hong⁃yu LIANG1,2,Yong⁃feng PU1,2()   

  1. 1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
    2. Qingdao Automotive Research Institute, Jilin University, Qingdao 266043, China
  • Received:2018-03-23 Online:2019-05-01 Published:2019-07-12
  • Contact: Yong?feng PU E-mail:mikema@jlu.edu.cn;puyongfeng@jlu.edu.cn

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摘要：

利用酸碱溶液去除金属表面的氧化膜，利用光纤激光器对金属表面进行处理，利用平板硫化机完成金属?塑料之间的热压连接成型。研究了不同激光功率和不同扫描密度对金属?塑料直接连接强度的影响。结合金属?塑料连接截面微观组织形貌和扫描电子显微镜(SEM)图，分析了金属表面特征与金属?塑料直接连接强度之间的相关性。结果表明：随着激光功率的增大，金属?塑料直接连接强度先增大后减小；随着扫描密度的增大，金属?塑料直接连接强度增大。

关键词: 机械制造工艺与设备, 金属表面特征, 金属?塑料连接强度, 激光功率, 扫描密度

Abstract:

The correlation between metal surface morphology and metal?plastic direct adhesion strength was studied. First, the oxide film on the metal surface was removed by acid and alkali solution. Then, the metal surface was treated by fiber laser, and the hot pressing connection between metal and plastic was completed by plate vulcanizing machine. Third, the effects of different laser power and different scanning density on the direct bonding strength of metal?plastic were investigated. Finally, the correlation between the surface characteristics of metals and the direct connection strength of metal?plastic direct adhesion was analyzed based on the microstructure morphology and Scanning electron microscope (SEM). The results show that the direct connection strength of metal?plastic increases first and then decreases with the increase in laser power. With the increase in scanning density, the strength of direct connection between metal?plastic increases.

Key words: manufaturing technology and equipment, metal surface morphology, bonding strength of metal?plastic, laser power, scanning density

中图分类号: 

  • TH161

图1

金属?塑料直接连接过程"

图2

铝合金表面微观形貌"

图3

激光功率对连接强度的影响"

图4

金属表面微观示意图"

图5

扫描密度对连接强度的影响"

图6

金属?塑料直接连接试样"

图7

金属?塑料直接连接试样断裂失效图"

图8

金属?塑料直接连接截面图"

图9

铝合金表面残留的聚乳酸形貌"

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