Tensile Creep Behavior of NiAl-9Mo Eutectic Alloy

Abstract:

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The tensile creep behavior of NiAl-9Mo eutectic alloy has been investigated over a stress range of 50 to 100MPa at the temperatures ranging from 850 to 950°C. All of the creep curves exhibit the very long steady-state stage. The creep parameters and TEM observations indicates the kinetics of the steady-state creep deformation is governed by dislocation climb in the NiAl matrix phase. The crack origination and development at the colony boundary results in the onset of tertiary creep stage and final fracture of the alloy.

Info:

Periodical:

Materials Science Forum (Volumes 475-479)

Main Theme:

Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie

Pages:

763-766

DOI:

10.4028/www.scientific.net/MSF.475-479.763

Citation:

W. L. Ren et al., "Tensile Creep Behavior of NiAl-9Mo Eutectic Alloy", Materials Science Forum, Vols. 475-479, pp. 763-766, 2005

Online since:

January 2005

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$35.00

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