金属表面特征与金属-塑料直接连接强度的相关性
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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。
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.
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.
引文
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[4]Byskov J,Boll J V,Holm A H,et al.Ultra-highstrength micro-mechanical interlocking by injection molding into laser-structured surfaces[J].International JournalofAdhesion&Adhesives,2010,30(6):485-488.
[5]李熹平,刘傅文,王爽,等.金-塑微结构注射成型仿真与试验研究[J].机械工程学报,2016,52(22):61-69.Li Xi-ping,Liu Fu-wen,Wang Shuang,et al.Simulation and experiment study of metal-polymer composite injected with microstructure[J].Journal of Mechanical Engineering,2016,52(22):61-69.
[6]Huang B,Sun L,Li L,et al.Experimental investigation of the strength of polymer-steel direct adhesion(PSDA)joints with micro-structures ablated by laser[J].Journal of Materials Processing Technology,2017,249:407-414.
[7]Su Y,Rooij M D,Grouve W,et al.The effect of titanium surface treatment on the interfacial strength of titanium-thermoplastic composite joints[J].International Journal of Adhesion&Adhesives,2017,72:98-108.
[8]刘傅文,李熹平,宫宁宁,等.界面微构对注射成型铝塑复合件性能的影响研究[J].机械工程学报,2018,54(12):148-155.Liu Fu-wen,Li Xi-ping,Gong Ning-ning,et al.Effect of interfacial microstructure on properties of aluminum-plastic composite[J].Journal of Mechanical Engineering,2018,54(12):148-155.
[9]Rauschenberger J,Cenigaonaindia A,Keseberg J,et al.Laser hybrid joining of plastic and metal components for lightweight components[J].Proceedings of SPIE-The International Society for Optical Engineering,San Francisco,California,USA,2015:93560B.
[10]杜彦丽.PMH技术成形工艺对粘结强度影响的研究[D].上海:上海交通大学材料科学与工程学院,2010.Du Yan-li.Research on the effect of polymer metal hybrid technology process parameters on adhesive strength[D].Shanghai:School of Materials Science and Engineering,Shanghai Jiaotong University,2010.
[11]Lin H Y,Chang C H,Young W B.Experimental study on the filling of nano structures with infrared mold surface heating[J].International Polymer Processing Journal of the Polymer Processing Society,2011,26(1):73-81.
[12]Jiang J,Wang S,Sun B,et al.Effect of mold temperature on the structures and mechanical properties of micro-injection molded polypropylene[J].Materials&Design,2015,88:245-251.
[13]Kim S K,Kim D J,Jung J S,et al.Flow instability of semicrystalline polymer melt during micro-injection molding[J].Journal of Micromechanics&Microengineering,2014,24(8):085015.
[14]Yoo Yeong-Eun,Kim Tae-Hoon,Je Tae-Jin,et al.Injection molding of micro patterned PMMA plate[J].Transactions of Nonferrous Metals Society of China,2011,21(Sup.1):148-152.