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Crystal Indentation Hardness

Published version
Peer-reviewed

Type

Article

Change log

Authors

Armstrong, Ronald W 
Walley, Stephen M 
Elban, Wayne L 

Abstract

There is expanded interest in the long-standing subject of the hardness properties of materials. A major part of such interest is due to the advent of nanoindentation hardness testing systems which have made available orders of magnitude increases in load and displacement measuring capabilities achieved in a continuously recorded test procedure. The new results have been smoothly merged with other advances in conventional hardness testing and with parallel developments in improved model descriptions of both elastic contact mechanics and dislocation mechanisms operative in the understanding of crystal plasticity and fracturing behaviors. No crystal is either too soft or too hard to prevent the determination of its elastic, plastic and cracking properties under a suitable probing indenter. A sampling of the wealth of measurements and reported analyses associated with the topic on a wide variety of materials are presented in the current Special Issue.

Description

Keywords

crystal hardness, nanoindentations, dislocations, contact mechanics, indentation plasticity, plastic anisotropy, stress-strain characterizations, indentation fracture mechanics

Journal Title

CRYSTALS

Conference Name

Journal ISSN

2073-4352
2073-4352

Volume Title

7

Publisher

MDPI AG