The present work proposes a new efficient numerical solution method based on Eshelby's equivalent inclusion method (EIM) to study the influence of distributed inhomogeneities on the contact of inhomogeneous materials. Benchmark comparisons with the results obtained with an existing numerical method and the finite element method (FEM) demonstrate the accuracy and efficiency of the proposed solution method. An effective influence radius is defined to quantify the scope of influence for inhomogeneities, and the biconjugate gradient stabilized method (Bi-CGSTAB) is introduced to determine the eigenstrains of a large number of inclusions efficiently. Integrated with a rolling-contact fatigue (RCF) life prediction model, the proposed numerical solution is applied to investigate the RCF life of (TiB + TiC)/Ti-6Al-4V composites, and the results are compared with those of a group of RCF tests, revealing that the presence of the reinforcements causes reduction in the RCF lives of the composites. The comparison illustrates the capability of the proposed solution method on RCF life prediction for inhomogeneous materials.
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January 2015
Research-Article
Numerical Modeling of Distributed Inhomogeneities and Their Effect on Rolling-Contact Fatigue Life
Qinghua Zhou,
Qinghua Zhou
State Key Laboratory
of Mechanical Transmission,
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
;School of Aeronautics and Astronautics,
Sichuan University
,Chengdu 610065
, China
;Department of Mechanical Engineering,
Northwestern University
,Evanston, IL 60208
Search for other works by this author on:
Lechun Xie,
Lechun Xie
Department of Mechanical Engineering,
Northwestern University
,Evanston, IL 60208
;State Key Laboratory
of Metal Matrix Composites,
of Metal Matrix Composites,
Shanghai Jiao Tong University
,Shanghai 200240
, China
Search for other works by this author on:
Xiaoqing Jin,
Xiaoqing Jin
1
State Key Laboratory
of Mechanical Transmission,
e-mail: jinxq@cqu.edu.cn
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
e-mail: jinxq@cqu.edu.cn
1Corresponding authors.
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Zhanjiang Wang,
Zhanjiang Wang
State Key Laboratory
of Mechanical Transmission,
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
Search for other works by this author on:
Jiaxu Wang,
Jiaxu Wang
State Key Laboratory
of Mechanical Transmission,
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
;School of Aeronautics and Astronautics,
Sichuan University
,Chengdu 610065
, China
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Leon M. Keer,
Leon M. Keer
Department of Mechanical Engineering,
Northwestern University
,Evanston, IL 60208
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Qian Wang
Qian Wang
1
Department of Mechanical Engineering,
Northwestern University
,Evanston, IL 60208
;State Key Laboratory
of Mechanical Transmission,
e-mail: qwang@northwestern.edu
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
e-mail: qwang@northwestern.edu
1Corresponding authors.
Search for other works by this author on:
Qinghua Zhou
State Key Laboratory
of Mechanical Transmission,
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
;School of Aeronautics and Astronautics,
Sichuan University
,Chengdu 610065
, China
;Department of Mechanical Engineering,
Northwestern University
,Evanston, IL 60208
Lechun Xie
Department of Mechanical Engineering,
Northwestern University
,Evanston, IL 60208
;State Key Laboratory
of Metal Matrix Composites,
of Metal Matrix Composites,
Shanghai Jiao Tong University
,Shanghai 200240
, China
Xiaoqing Jin
State Key Laboratory
of Mechanical Transmission,
e-mail: jinxq@cqu.edu.cn
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
e-mail: jinxq@cqu.edu.cn
Zhanjiang Wang
State Key Laboratory
of Mechanical Transmission,
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
Jiaxu Wang
State Key Laboratory
of Mechanical Transmission,
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
;School of Aeronautics and Astronautics,
Sichuan University
,Chengdu 610065
, China
Leon M. Keer
Department of Mechanical Engineering,
Northwestern University
,Evanston, IL 60208
Qian Wang
Department of Mechanical Engineering,
Northwestern University
,Evanston, IL 60208
;State Key Laboratory
of Mechanical Transmission,
e-mail: qwang@northwestern.edu
of Mechanical Transmission,
Chongqing University
,Chongqing 400030
, China
e-mail: qwang@northwestern.edu
1Corresponding authors.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received April 1, 2014; final manuscript received August 19, 2014; published online September 24, 2014. Assoc. Editor: Xiaolan Ai.
J. Tribol. Jan 2015, 137(1): 011402 (11 pages)
Published Online: September 24, 2014
Article history
Received:
April 1, 2014
Revision Received:
August 19, 2014
Citation
Zhou, Q., Xie, L., Jin, X., Wang, Z., Wang, J., Keer, L. M., and Wang, Q. (September 24, 2014). "Numerical Modeling of Distributed Inhomogeneities and Their Effect on Rolling-Contact Fatigue Life." ASME. J. Tribol. January 2015; 137(1): 011402. https://doi.org/10.1115/1.4028406
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