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Substitutional solutes in AICo: Part I. Effects of solute on moduli, lattice parameters, and vacancy production

Published online by Cambridge University Press:  18 February 2016

Robert L. Fleischer
Robert L. Fleischer*
Affiliation:
General Electric Research and Development Center, Schenectady, New York 12301
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Extract

The effects of solute-related defects in AICo are measured by changes that they produce in lattice parameter, specific gravity, and elastic moduli. By comparison with the effects of off-stoichiometry on the same parameters in binary Al-Co alloys, the solute-produced defects can be partially characterized. Cell occupancy numbers are calculated and used to infer that vacancies are formed on both sides of stoichiometry and also when solute replaces Al or Co in AICo. These data are also essential to testing the effects of the solutes studied—Mn, Re, and Ti—on mechanical hardening, to be reported separately in Part II.

Type
Research Article
Information
Journal of Materials Research , Volume 8 , Issue 1 , January 1993 , pp. 49 - 58
Copyright
Copyright © Materials Research Society 1993

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