Chinh, Nguyen Q. and Olasz, Dániel and Sáfrán, György and Langdon, Terence G. (2025) Indentation size effects and its relevance to ultrafine-grained materials. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 923. No. 147733. ISSN 0921-5093
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Abstract
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.
| Item Type: | Article |
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| Uncontrolled Keywords: | Grain boundary sliding, Hall-petch relationship, Indentation size effect, Nanoindentation, Ultrafine-grained structure |
| Subjects: | Q Science / természettudomány > QC Physics / fizika |
| SWORD Depositor: | MTMT SWORD |
| Depositing User: | MTMT SWORD |
| Date Deposited: | 06 Jan 2025 14:48 |
| Last Modified: | 06 Jan 2025 14:48 |
| URI: | https://real.mtak.hu/id/eprint/212753 |
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