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Acta Phys. Sin. (Overseas Edition), 1997, Vol. 6(8): 578-588    DOI: 10.1088/1004-423X/6/8/003
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A STATISTICAL THEORY OF CREEP FRACTURE

XU HUI-YING, XING XIU-SAN
Department of Applied Physics, Beijing Institute of Technology, Beijing 100081, China
Abstract  A theory of creep fracture has been constructed by means of the concept and the method of nonequilibrium statistical physics. In this paper, the cavity evolution equation is given; the cavity distribution function, the cavity distribution probability, the creep fracture life of materials and the famous Monkman-Grant empirical relation are derived on the basis of the two mechanisms of the constrained cavity growth and the unconstrained cavity growth, respectively.
Received:  15 October 1996      Published:  20 August 1997
PACS:  46.50.+a (Fracture mechanics, fatigue and cracks)  
  62.20.M- (Structural failure of materials)  
Fund: Project supported by the National Natural Science Foundation of China.

Cite this article: 

XU HUI-YING, XING XIU-SAN A STATISTICAL THEORY OF CREEP FRACTURE 1997 Acta Phys. Sin. (Overseas Edition) 6 578

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