摩擦学
电镀
材料科学
溅射沉积
冶金
复合材料
腔磁控管
溅射
汽车工程
法律工程学
工程类
图层(电子)
纳米技术
薄膜
作者
Guozheng Li,Haitao Duan,Pang Lin,Shengpeng Zhan,Zhe R. Liu,Bingxue Cheng,Dechang Jia
摘要
In this work, the causes of failure of the electroplating silver coatings on aero-engine nuts were explored. And the microhardness of the magnetron sputtering silver coatings was increased by 25%, and the bonding force was increased by about 1.2 times. At high temperature, the friction coefficients of the magnetron sputtering silver coatings was about 20% lower than that of the electroplating silver coatings, and the wear volume was about 90% lower than that of it at maximum. The wear mechanism of magnetron sputtering silver coatings was mainly abrasive wear, while that of electroplating silver coatings was mainly adhesive wear. Besides, the results of molecular dynamics showed that the silver coatings would move and aggregate in layers during the friction.
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