Antifriction performance of Ti-6Al-4V alloy-colored surface by using WEDM-HS press

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• 作者：Jinkai Xu ; Linshuai Zhang ; Huadong Yu…
• 关键词：WEDM ; HS ; Ti ; 6Al ; 4V ; Surface ; Coloring ; Microstructure ; Antifriction properties
• 刊名：The International Journal of Advanced Manufacturing Technology
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：77
• 期：1-4
• 页码：729-734
• 全文大小：815 KB
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• 刊物类别：Engineering
• 刊物主题：Industrial and Production Engineering
  Production and Logistics
  Mechanical Engineering
  Computer-Aided Engineering and Design
  
• 出版者：Springer London
• ISSN：1433-3015

文摘

In this paper, the technology of high-speed wire electrical discharge machining (WEDM-HS) is used for coloring the surface of Ti-6Al-4V alloy, and the antifriction properties of Ti-6Al-4V alloy-colored surface are analyzed. For this paper, we have prepared six kinds of tone by adjusting the electrical discharge processing parameters on the surface of Ti-6Al-4V alloy. Using laser confocal microscopy that observed the microstructure morphology of reaction film after the 1000-h sunlight and water immersion aimed at the coloring mechanism of Ti-6Al-4V alloy surface. RETC micro-friction and wear tester were used to analyze the friction properties of the colored surface with dry friction conditions. The experimental results show that the colored surface after WEDM-HS processing has good stability and durability. Moreover, the average friction coefficient is reduced by 200?% compared with the unprocessed surface, showing excellent antifriction performance.