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Strain Hardening of Fcc Metal Surfaces Induced by Microploughing

Published online by Cambridge University Press:  10 February 2011

R. D. Day ,
R. M. Dickerson  and
P. E. Russell
R. D. Day
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
R. M. Dickerson
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
P. E. Russell
Affiliation:
North Carolina State University, Raleigh, NC 27606
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Abstract

Microploughing experiments were used as a method for better understanding the ploughing mechanism in gold and iridium single crystals. The plough depths ranged from 20 nm in iridium to 1600 nm in gold. Yield stress profiles and TEM analyses indicate that both materials strain harden even when very small volumes of material are involved. Strain hardening theory, as applied to bulk material, is useful in analyzing the results.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 522: Symposium T – Fundamentals of Nanoindentation & Nanotribology , 1998 , 421
Copyright
Copyright © Materials Research Society 1998

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