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Six decades of the Hall–Petch effect – a survey of grain-size strengthening studies on pure metals

Author(s)
Cordero, Zachary Copoulos; Knight, Braden E.; Schuh, Christopher A
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Abstract
Refining a metal’s grain size can result in dramatic increases in strength, and the magnitude of this strengthening increment can be estimated using the Hall–Petch equation. Since the Hall–Petch equation was proposed, there have been many experimental studies supporting its applicability to pure metals, intermetallics and multi-phase alloys. In this article, we gather the grain-size strengthening data from the Hall–Petch studies on pure metals and use this aggregated data to calculate best estimates of these metals’ Hall–Petch parameters. We also use this aggregated data to re-evaluate the various models developed to physically support the Hall–Petch scaling.
Date issued
2016-07
URI
http://hdl.handle.net/1721.1/112642
Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering; Massachusetts Institute of Technology. Department of Mechanical Engineering
Journal
International Materials Reviews
Publisher
Maney Publishing
Citation
Cordero, Z. C. et al. “Six Decades of the Hall–Petch Effect – a Survey of Grain-Size Strengthening Studies on Pure Metals.” International Materials Reviews 61, 8 (July 2016): 495–512 © 2016 Institute of Materials, Minerals and Mining and ASM International
Version: Author's final manuscript
ISSN
0950-6608
1743-2804

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