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Surface effect and size dependence on the energy release due to a nano InAs inclusion expansion in a GaAs matrix material
Hui Tong #,Chen Yiheng * #
School of Aerospace, SVL, Xi’an Jiaotong University
*Correspondence author
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Funding: none
Opened online:20 January 2010
Accepted by: none
Citation: Hui Tong,Chen Yiheng.Surface effect and size dependence on the energy release due to a nano InAs inclusion expansion in a GaAs matrix material[OL]. [20 January 2010] http://en.paper.edu.cn/en_releasepaper/content/39220
 
 
This paper deals with the surface effect and size dependence on the energy release due to a nano InAs inclusion expansion in an infinite plane GaAs matrix material under uni-axial or bi-axial loadings. By accounting for the surface tension and the surface Lamẻ constants, the variable tendencies of the M-integral representing the energy release due to the inclusion expansion against the loading or against the inclusion radius are plotted and discussed in detail. It is concluded that the surface effect inhibits the M-integral significantly and the M-integral may be either positive related to the energy release or negative related to the energy absorbing. This is because the mutual interaction between the external loading and the surface effect yields an additional contribution to the M-integral, which is always negative and proportional to the external loading.
Keywords:nano defect mechanics;nano inclusion;energy release;energy absorbing;M-integral
 
 
 

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