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Rapidly Solidified Nb Base Alloys With High Carbide Content

Published online by Cambridge University Press:  15 February 2011

Elena N. Sheftel  and
Dmitry E. Kaputkin
Elena N. Sheftel
Affiliation:
Baikov Institute of Metallurgy, Leninsky prospect 49, Moscow, 117334, Russia
Dmitry E. Kaputkin
Affiliation:
Baikov Institute of Metallurgy, Leninsky prospect 49, Moscow, 117334, Russia
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Abstract

Nb base alloys with high Zr and C contents possess high strengths at up to 1400°C, but their low-temperature ductilities are unacceptably low due to nearly continuous rough eutectic carbide net along grain boundaries. The net has been broken by rapid solidification (RS). The structure and microhardness of these alloys after RS as well as after consequent compacting and/or annealing have been studied.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 362: Symposium J – Grain-Size and Mechanical Properties--Fundamentals and Applications , 1994 , 163
Copyright
Copyright © Materials Research Society 1995

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