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Analysis of Crack Tip Field in Materials with Creep Behavior

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Abstract:

The stress and strain field near the tip of Mode I growing crack in materials under creep conditions is examined. The case of the effective stress equal to zero is considered. The asymptotic equations for the crack of the crack tip field are derived and solved numerically. It is concluded that the rates of stress and strain posses the rδ-1 singularity near the tip crack, and the stresses remain finite at the crack tip.

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Periodical:

Key Engineering Materials (Volumes 525-526)

Pages:

297-300

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.525-526.297

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Online since:

November 2012

Authors:

Qing Hua Meng, Wen Yan Liang, Zhen Qing Wang

Keywords:

Crack-Tip Field, Creep Conditions, Effective Stress, Mode I

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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