Contact and bending fatigue behaviour of austempered ductile iron gears

被引：26
|
作者：
Gorla, Carlo
Conrado, Edoardo [1 ]
Rosa, Francesco [1 ]
Concli, Franco [2 ]
机构：
[1] Politecn Milan, Dipartimento Meccan, Via La Masa 1, I-20156 Milan, MI, Italy
[2] IT Free Univ Bolzano, Fac Sci & Technol, Bonfiglioli BMR, Bolzano, Italy
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2018年 / 232卷 / 06期
关键词：
Austempered ductile iron; gears; bending; pitting; gearbox design; MECHANISMS;
D O I：
10.1177/0954406217695846
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In the present paper a research programme aimed at investigating both the bending and contact fatigue properties of an austempered ductile iron applied to gears is presented, in order to determine reliable values of the limits, which take into account the influence of the production process, to be applied in the design of gearboxes. The bending fatigue tests are performed according to the single tooth fatigue approach and the pitting tests are performed with a back-to-back rig. Metallurgical analysis is performed on the failed specimens, in order to understand the origin and the propagation of the failures and to appreciate the influence of the micro-structure on the performances obtained.
引用
收藏
页码：998 / 1008
页数：11
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