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Nickel Aluminide (Ni3Al) Fabricated By Reactive Infiltration

Published online by Cambridge University Press:  22 February 2011

Yuyong Chen  and
D.D.L. Chung
Yuyong Chen
Affiliation:
Composite Materials Research Laboratory, State University of New York at Buffalo, Buffalo, NY 14260–4400, U.S.A.
D.D.L. Chung
Affiliation:
Composite Materials Research Laboratory, State University of New York at Buffalo, Buffalo, NY 14260–4400, U.S.A.
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Abstract

Nickel aluminide Ni3Al in single phase form, with grain size ∼ 10 μm, porosity ∼ 5%, tensile strength 425 MPa, modulus 92 GPa and ductility 9.5% at room temperature, was fabricated by reactive infiltration at 800˚C of liquid aluminum into a porous preform containing 78 vol.% nickel and made by sintering 3–7 μm size nickel particles.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 364: Symposium L – High-Temperature Ordered Intermetallic Alloys–VI , 1994 , 867
Copyright
Copyright © Materials Research Society 1995

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