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Grain Boundaries as sink for vacancies?

by qazxswedc
Tags: boundaries, grain, sink, vacancies
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Feb26-12, 07:29 PM
P: 2
Hi all please help,

Anybody knows why grain boundaries act as sink for vacancies? in a detailed and microscopic way such as relation to free energy and stuff like that.

I have tried to search everywhere but I am confused about the reason why grain boundaries and dislocations are sink for vacancies.

Would be nice if there're sources explaining about it.

Thank you in advance!!!
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