Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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The Prediction of Scuffing Life due to Plastic Deformation and Low-cycle Fatigue Properties Under Various Lubricated Conditions

윤활환경에 따라 발생하는 소성변형량과 저주기 피로물성을 이용한 스커핑 수명 예측

  • Published : 1998.12.01
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Abstract

A correlation between the low-cycle fatigue life and the scuffing-failure life is demonstrated using the plastic strain increment in boundary lubricated sliding. Loadings proportional to hardness with three different lubricated conditions were used to evaluate the plastic strain increments. As the results of scuffing tests using vacuum pump oils in nitrogen gas, plastic strain increment shows 0.0062, and in the mineral oils and commercial engine oils in air, plastic strain increments show 0.0042 and 0.00092. Those are very useful to describe quantitatively the real lubricated sliding conditions, and are very effective to find the relation between the low-cycle fatigue life and the scuffing-failure life.

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References

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