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AN ANALYTICAL MODEL OF COMPRESSIVE RESIDUAL STRESS EFFECT ON CLOSURE |
LI Hangyue; HU Naisai; HE Jiawen; ZHOU Huijiu(State Key Laboratory for Mechanical Behaviour of Metallic Materialas; Xi'an Jiaotong University; Xi'an 710049)Correspondent: HE Jiawen; professor Tel: (029)3268696; Fax: (029)3237910;E-mail: jwhe xjtudu. cn. |
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Cite this article:
LI Hangyue; HU Naisai; HE Jiawen; ZHOU Huijiu(State Key Laboratory for Mechanical Behaviour of Metallic Materialas; Xi'an Jiaotong University; Xi'an 710049)Correspondent: HE Jiawen; professor Tel: (029)3268696; Fax: (029)3237910;E-mail: jwhe xjtudu. cn.. AN ANALYTICAL MODEL OF COMPRESSIVE RESIDUAL STRESS EFFECT ON CLOSURE. Acta Metall Sin, 1998, 34(8): 847-851.
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Abstract analytical model for fatigue crack growth rate prediction is proposed based on the function of compressive residual stress on crack closure and the experimental results published in the literature. Using the proposed closure model, the crack growth rates of long crack, through-thickness short crack and surfaCe short craCk within a compressive residual stress field show fairly good agreement with the experimental results.
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Received: 18 August 1998
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