Study on Fracture Toughness Prediction of Non Power Law Hardening Material by Using Local Approach

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A new method of fracture toughness K1C prediction of non power law hardening material by using cleavage fracture local approach is proposed in this paper. The fracture toughness of A508-Ⅲ 16MnR at different cleavage fracture probability are predicted by using the method. To most of pressure vessel carbon-manganese steels, cleavage fracture is likely to occur at the load corresponding to 62% cleavage fracture probability. Hence, the fracture toughness corresponding to the load is the most possible fracture toughness of the steels. The values of fracture toughness corresponding to 62% cleavage fracture probability is close to that of testing fracture toughness. The work of this paper expends the application of Beremin cleavage fracture model in predicting fracture toughness.

Info:

Periodical:

Advanced Materials Research (Volumes 197-198)

Edited by:

Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng

Pages:

1640-1646

DOI:

10.4028/www.scientific.net/AMR.197-198.1640

Citation:

H. Hu et al., "Study on Fracture Toughness Prediction of Non Power Law Hardening Material by Using Local Approach", Advanced Materials Research, Vols. 197-198, pp. 1640-1646, 2011

Online since:

February 2011

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Price:

$35.00

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