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Transverse Mechanical Behavior of High-Strength Monocarbide Eutectics

Published online by Cambridge University Press:  15 February 2011

M.F.X. Gigliotti
Affiliation:
General Electric CompanyCorporate Research & DevelopmentSchenectady, New York 12301U.S.A.
M. R. Jackson
Affiliation:
General Electric CompanyCorporate Research & DevelopmentSchenectady, New York 12301U.S.A.
S. W. Yang
Affiliation:
General Electric CompanyCorporate Research & DevelopmentSchenectady, New York 12301U.S.A.
M. F. Henry
Affiliation:
General Electric CompanyCorporate Research & DevelopmentSchenectady, New York 12301U.S.A.
D. A. Woodford
Affiliation:
General Electric CompanyCorporate Research & DevelopmentSchenectady, New York 12301U.S.A.
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Extract

Superalloy eutectics strengthened with monocarbide whiskers are highly anisotropic in strength. Mechanical behavior transverse to the growth axis is governed largely by the fracture resistance of the matrix grain boundaries. While the matrices of these eutectics are essentially columnar grained superalloys, there are significant differences between d.s. superalloys and superalloy-monocarbide eutectics. These differences arise, in part from different solidification processes and from the alloying limitations in eutectic systems.

Type
Research Article
Copyright
Copyright © Materials Research Society 1982

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