Rolling Contact Fatigue (RCF) resistance of Austempered Ductile Iron (ADI)

被引：37

作者：

Dommarco, RC ^{[1
]}

Bastias, PC

Dall'O, HA

Hahn, GT

Rubin, CA

机构：

[1] Univ Mar del Plata, Fac Ingn, Grp Tribol, RA-7600 Mar Del Plata, Argentina

[2] Vanderbilt Univ, Ctr Mat Tribol, Nashville, TN 37235 USA

来源：

WEAR | 1998年 / 221卷 / 01期

基金：

美国国家科学基金会;

关键词：

Rolling Contact Fatigue (RCF); Austempered Ductile Iron (ADI); contact fatigue; Hertz stress; electron scanning microscopy;

D O I：

10.1016/S0043-1648(98)00259-2

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The present work reports on the Rolling Contact Fatigue (RCF) resistance of Austempered Ductile Iron (ADI) as evaluated by using a ball-rod rolling contact fatigue tester. The tests were carried out until a spall was detected with a load ratio p(o)/k(k) = 6, where p(o) is the maximum Hertz stress and k(k) the kinematic sheer yield stress. The results obtained for the RCF tests were compared with the properties of AISI 440C and SAE 52100 bearing steels. The spalls were observed using optical and electron scanning microscopy. The microstructure was found to have a strong influence in RCF results. It is concluded that ADI has good resistance to crack propagation but low resistance to crack nucleation. The RCF resistance of ADI under the present experimental conditions is not satisfactory. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：69 / 74

页数：6

共 3 条

[1] ANALYSIS OF ROLLING-CONTACT SPALL LIFE IN 440C BEARING STEEL [J].

BASTIAS, PC ;

HAHN, GT ;

RUBIN, CA ;

GUPTA, V ;

LENG, X .

WEAR, 1994, 171 (1-2) :169-178

[2] Analysis of elliptical hertzian contacts [J].

Greenwood, JA .

TRIBOLOGY INTERNATIONAL, 1997, 30 (03) :235-237

[3] MATERIAL RESPONSE TO ROLLING-CONTACT LOADING [J].

VOSKAMP, AP .

JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 1985, 107 (03) :359-366

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