Influence of surface microstructure on bonding strength of modified polypropylene/aluminum alloy direct adhesion

被引：76
作者：
Chen, Jing [1 ]
Du, Kunpeng [1 ]
Chen, Xiumin [1 ]
Li, Youbing [1 ,2 ,3 ]
Huang, Jin [1 ]
Wu, Yutao [1 ]
Yang, Chaolong [1 ]
Xia, Xiaochao [1 ]
机构：
[1] Chongqing Univ Technol, Coll Mat & Engn, Chongqing 400054, Peoples R China
[2] Chongqing Key Lab Mold Technol, Chongqing 400054, Peoples R China
[3] Minist Educ, Key Lab Adv Mfg Technol Automobile Parts, Chongqing 400054, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2019年 / 489卷
关键词：
Plastic-metal hybrids; Microstructures; Surface treatments; Shear strength; MALEIC-ANHYDRIDE; ALUMINUM-ALLOY; INFRARED-SPECTROSCOPY; PLASMA; SUITABILITY; MECHANISMS; INTERFACE; JOINTS; LASER; OXIDE;
D O I：
10.1016/j.apsusc.2019.05.270
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Microstructures and bonding strength between the treated aluminum alloy and modified polypropylene (PP) were systemically investigated in this study. The results show that an increase in the surface energy of PP by grafting maleic anhydride(MAH) will result in better wetting of the resin on the aluminum alloy layer. The porous microstructures were produced by polishing and anodizing. The interfacial bonding strength of specimens was increased rapidly after anodizing, and the maximum tensile shear strength and work of fracture of P/PAlP specimen reach up to 10.05 MPa and 14.82 KJ/m(2), respectively. The great increase in bonding strength was attributed to porous microstructures and large roughness on the aluminum alloy surface which resulted in resin melt flew into nano holes to from micro mechanical interlocking.
引用
收藏
页码：392 / 402
页数：11
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