材料科学
耐久性
喷丸
硬化(计算)
渗氮
感应淬火
涂层
表面硬化
碳化钨
冶金
表面改性
碳化物
使用寿命
复合材料
物理气相沉积
残余应力
机械工程
硬度
图层(电子)
工程类
作者
Kapil Gupta,Neelesh Kumar Jain,Rudolph F. Laubscher
出处
期刊:Elsevier eBooks
[Elsevier]
日期:2017-01-01
卷期号:: 167-196
被引量:4
标识
DOI:10.1016/b978-0-12-804460-5.00006-7
摘要
The overall performance of a gear system is intimately linked to the surface integrity of the gear surfaces. This usually implies that smooth and fully functional performance for an extended service life at high loads requires an improved surface durability. Surface durability is affected most notably by wear and fatigue resistance. Improved durability can be accomplished by surface modification techniques such as surface hardening and/or the applications of coatings. Various types of gear coatings such as molybdenum disulfide, tungsten carbide carbon, conversion, and polymer coatings; and advanced coating methods, namely, magnetron sputtering-based physical vapor deposition and plasma-enhanced chemical vapor deposition are detailed in this chapter. Modern surface hardening techniques such as laser treatment, ultrasonic peening, and water jet peening are also discussed. This is followed by the introduction of advanced methods of case-hardening including plasma nitriding, and induction and flame hardening. The working principle, process mechanism, and tangible benefits are presented, along with the latest trends and research aspects for each of the processes.
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