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Xu Zhang's blog

Virtual Conference on Nanoscale Science and Technology October 26 - 29, 2011 Chengdu, China

Web page: http://www.oanano.org/vcnst2011 

The Virtual Conference on Nanoscale Science and Technology (VCNST) is in fact so much more than just another conference. We have an opportunity together to be explorers as we enter a new era of sharing and dialoguing about science.

Surface and Grain boundary

Surface:

If it's a free surface, the dislocation can penetrate through the surface easily, but, if it's a coating or oxide layer, it will be hard for dislocation to glid out of the surface

Grain boundary:

In discrete dislocation dynamic simulation, some authors take grain boundary as a impenetrable, such as a rigide wall, But in other papers, grain boundary was thought to be a penetrable wall.

 So,Is there somthing or simillar property for us to derive.

Questions about dislocation souce

As our body, we birth, grow up and dead? Wil the dislocation souce be the same process, if it’s so, what’s the detail process.

(1):the birth of dislocation source

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