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Synthesis and Mechanical Properties of Nano-Scale NiAl and NiAl/Al2O3 Composites

Published online by Cambridge University Press:  15 February 2011

Timothy R. Smith
Timothy R. Smith*
Affiliation:
Institute for Mechanics and Materials, University of California, San Diego, La Jolla, CA.
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Abstract

This work reports on the synthesis, characterization and preliminary mechanical properties of nanocrystalline NiAl/Al2O3 composite materials. Nano-scale crystallites of NiAl were formed by high energy milling of pre-alloyed powder with and without Al2O3 under an Ar atmosphere. Consolidation of the nano-scale powders was done by sinter-forging at < 0.4 Tm in air. Characterization of the powders and consolidated microstructures and hardness data are reported.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 350: Symposium U – Intermetallic Matrix Composites III , 1994 , 219
Copyright
Copyright © Materials Research Society 1994

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