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The stress intensity factor of screw dislocations at internal interfacial crack tips

 

作者: Sheng‐Long Lee,   Yeon‐Sheng Yang,   Jing‐Dae Huang,  

 

期刊: Journal of the Chinese Institute of Engineers  (Taylor Available online 1992)
卷期: Volume 15, issue 1  

页码: 77-84

 

ISSN:0253-3839

 

年代: 1992

 

DOI:10.1080/02533839.1992.9677391

 

出版商: Taylor & Francis Group

 

关键词: screw dislocation;stress intensity factor;crack

 

数据来源: Taylor

 

摘要:

On the basis of the results of Lin et al. [12], the interaction between screw dislocations and an internal crack in a two‐phase medium is analyzed. The complex potential, stress field, stress intensity factor, crack extension force and strain energy are derived. The mechanical behavior of the medium is strongly influenced by the shear modulus ratio of the two‐phase medium and the dislocations inside the internal crack. Finally, our results can be reduced to several special cases.

 

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