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Prediction of Fracture of Cylinder Block Main Bearing by Fretting Fatigue and Development of Verification Method

Article of Honda R&D Technical Review Vol.28 No.1


A method of prediction of the occurrence of fretting fatigue fracture of the main bearing in the cylinder block development process and a method of verification of the results of predictions have been developed.
Because fretting fatigue strength differs from material fatigue strength when fretting does not occur, a fatigue limit diagram when fretting occurs was obtained using material test pieces, and criteria for the evaluation of stress generated in an actual engine were determined. A method of measurement of stress amplitude and relative slip using a unit test apparatus was developed, making it possible to predict fretting fatigue fracture before the stage of tests using actual engines. The development of a method of conversion of strain values determined using the unit test apparatus into figures for relative slip made it possible to formulate a method of evaluation of relative slip in an actual engine.


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(2) Cha, S., Chang, H., Lee, K., Cho, S., Hwang, D.: A Development of the Fretting Fatigue Analysis Techniques for Engine Aluminum Block, SAE Int. J. Mater. Manuf. 4(1), p. 7, (2011)
(3) Japan Society of Mechanical Engineers: JSME S015 Fretting fatigue test method (revised version), 90 p, (2009) (in Japanese)
(4) Taguchi, G.: Robust Design for Functional Assessment - Methods for Efficient Development, Japanese Standards Association, 351 p, (2000) (in Japanese)
(5) Takeru, H., Sato, K., Yamasaki, T., Shi, C., Hashimoto, H., Haneda, H., Takahashi, S., Ishihara, Y.: Development of the Fretting Fatigue Prediction of a Main Bearing, JSAE Annual Congress Proceedings, No. 46-15A, p. 1107-1112, (2015) (in Japanese)

Author (organization or company)

Yoshimichi ISHIHARA(Automobile R&D Center)、Takeru HAMAKAWA(Automobile R&D Center)、Kenji SATOH(Automobile R&D Center)、Takeyuki YAMASAKI(Automobile R&D Center)、Chao SHI(Automobile R&D Center)、Hisashi HASHIMOTO(Automobile R&D Center)、Hiroaki HANEDA(Automobile R&D Center)、Shinichi TAKAHASHI(Automobile R&D Center)

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