Development of Mo base alloys for conductive metal-alumina cermet applications | Zendy

J.J. Stephens | Zendy; B.K. Damkroger | Zendy; S. L. Monroe | Zendy

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Development of Mo base alloys for conductive metal-alumina cermet applications

Author(s) -

J.J. Stephens,

B.K. Damkroger,

S. L. Monroe

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/463649

Subject(s) - cermet , thermal expansion , materials science , alloy , ternary operation , ceramic , microstructure , metallurgy , fabrication , metal , electrical conductor , composite material , medicine , alternative medicine , pathology , computer science , programming language

A study of thermal expansion for binary Mo-V and ternary Mo-V-Fe/Mo-V-Co alloys has been conducted, with the aim of finding a composition which matches the CTE of 94% alumina ceramic. The overall goal was to identify an alloy which can be used in conductive 27 vol.% metal/73 vol.% alumina cermets. Besides thermal expansion properties, two additional requirements exist for this alloy: (1) compatibility with a hydrogen sinter fire atmosphere and (2) a single phase BCC microstructure. They have identified a ternary alloy with a nominal composition of Mo-22wt.% V-3Fe for use in cermet fabrication efforts. This paper summarizes thermal expansion properties of the various alloys studied, and compares the results with previous CTE data for Mo-V binary alloys

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