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Indentation size effects and its relevance to ultrafine-grained materials
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DOI：10.1016/j.msea.2024.147733.png)
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Abstract
En 中文
The well-known indentation size effect (ISE) is reviewed with special emphasis on the effect of grain size in the polycrystalline matrix. It is demonstrated that there is a close connection between the Hall-Petch relationship and the characteristics of the ISE phenomenon such that the ISE phenomenon may disappear in an ultrafine-grained (UFG) matrix. This finding is significant in any attempts to interpret nanoindentation measurements performed on UFG materials.
Keywords:
Grain boundary sliding
Hall-petch relationship
Indentation size effect
Nanoindentation
Ultrafine-grained structure
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