The effect of manufacturing method and running-in load on the surface integrity of efficiency tested ground, honed and superfinished gears

被引：36

作者：

Mallipeddi, D. ^{[1
]}

Norell, M. ^{[1
]}

Sosa, M. ^{[2
]}

Nyborg, L. ^{[1
]}

机构：

[1] Chalmers Univ Technol, Ind & Mat Sci, SE-41296 Gothenburg, Sweden

[2] KTH Royal Inst Technol, Machine Design, SE-10044 Stockholm, Sweden

来源：

TRIBOLOGY INTERNATIONAL | 2019年 / 131卷

关键词：

Gears; Finishing processes; Surface integrity; Efficiency testing; CONTACT FATIGUE; WEAR;

D O I：

10.1016/j.triboint.2018.10.051

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This study compares gear surface characteristics generated by grinding, honing and superfinishing of casehardened steel, including the evolution during efficiency testing with two different prior running-in loads (0.9 GPa and 1.7 GPa). The most influential factor was surface roughness. Micro-pitting was associated with surface asperities and hence only seen in ground and honed gears, while being absent for super-finished gears. The micro-pitting was enhanced by running-in load, but only for rough surfaces. Deformation-induced localized microstructure impact was associated with cracks. Residual stresses reached similar levels after efficiency testing. Phosphorous content in the gear surface was connected to surface roughness and running-in load.

引用

页码：277 / 287

页数：11

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