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| FRACTURE MECHANICS ANALYSIS OF THE NITRIDED CASE ON NODULAR CAST IRON |
| Hu Yixiang Dalian Locomotive Works |
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Cite this article:
Hu Yixiang Dalian Locomotive Works. FRACTURE MECHANICS ANALYSIS OF THE NITRIDED CASE ON NODULAR CAST IRON. Acta Metall Sin, 1980, 16(4): 463-469.
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Abstract A method for clarifying the effect of nitrided case on the fracture of anodular cast iron has been proposed. Assuming that the effect of the nitrided caseis a linear superimposure of the strengthening of matrix in the case and theresidual stress, quantitative expressions of the fracture toughness as well as thethreshold of fracture toughness are achieved. Results obtained from the nodularcast iron appear to be in reasonable agreement with the experimental data.
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Received: 18 April 1980
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[1] 浅见克敏,寺沢正男,吉岡靖夫,日本机械学会论文集 42(1976) ,989．
[2] Barson, J. M. and Mcnicol, R. C., Amer. Soc. Test. Mater., Spec. Tech. Publ., № 559, 1974, p. 183．
[3] 范天佑,断裂力学基础,江苏科学技术出版社,1978,p.328． |
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