Study on Tension-Compression Fatigue Properties of Hard Machined Components | Zendy

Tao Chen | Zendy; Xianli Liu | Zendy; Suyan Li | Zendy; Kai Li | Zendy

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Study on Tension-Compression Fatigue Properties of Hard Machined Components

Author(s) -

Tao Chen,

Xianli Liu,

Suyan Li,

Kai Li

Publication year - 2014

Publication title -

advances in mechanical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 40

eISSN - 1687-8140

pISSN - 1687-8132

DOI - 10.1155/2014/437212

Subject(s) - materials science , residual stress , goodman relation , compression (physics) , ultimate tensile strength , fatigue limit , tension (geology) , composite material , fracture (geology) , stress (linguistics) , fatigue testing , structural engineering , stress concentration , fracture mechanics , engineering , linguistics , philosophy

Hard turning and fatigue tests are conducted to study the influence of cutting process on the fatigue properties of hard machined components in this work. The specimens are machined under various cutting speeds and tool wear condition. Tension-compression fatigue tests of the specimens are performed. The typical fatigue fracture patterns are observed and discussed. The fatigue life of the specimens is recorded and compared. The mechanism of the influence of white layer on fatigue properties is proposed, and the effects of white layer on the fatigue life are obtained. The changing process of tensile and compressive residual stresses is discussed. The effects of surface residual stress and maximum residual stress on the fatigue life are clarified

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