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Indentation Modulus and Yield Point of Au (111), (001), and (110)

Published online by Cambridge University Press:  10 February 2011

J. D. Kiely  and
J. E. Houston
J. D. Kiely
Affiliation:
Surface and Interface Sciences Department, MS 1413 Sandia National Laboratories, Albuquerque, NM 87185-1413
J. E. Houston
Affiliation:
Surface and Interface Sciences Department, MS 1413 Sandia National Laboratories, Albuquerque, NM 87185-1413
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Abstract

Nanoscale indentation experiments were performed on Au using the Interfacial Force Microscope (IFM) in an indentation mode. The indentation modulus and yield point were measured for three orientations of the Au surface: (111), (110), and (001). The indentation modulus for the (111) surface was found to be 36% greater than for the (001) surface and only 3% higher than the (110) surface. Additionally, the yield point was found to vary between orientations, but the shear stress resolved on {111} slip planes beneath the indenter on the axis of symmetry was found to be approximately 1.8 GPa for yield points of all three orientations.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 522: Symposium T – Fundamentals of Nanoindentation & Nanotribology , 1998 , 125
Copyright
Copyright © Materials Research Society 1998

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