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Effect of α/β Interfaces on Creep Behavior of Single Colony Titanium Alloys at Room Temperature

Published online by Cambridge University Press:  10 February 2011

S. Suri ,
Vincent D. -H. Hou ,
T. Neeraj ,
J. M. Scott  and
M. J. Mills
S. Suri
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, Columbus, OH43210
Vincent D. -H. Hou
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, Columbus, OH43210
T. Neeraj
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, Columbus, OH43210
J. M. Scott
Affiliation:
Universal Energy Systems, 4401 Dayton-Xenia Road, Dayton, OH45432
M. J. Mills
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, Columbus, OH43210
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Abstract

Creep occurs in two phase α/β Ti alloys at room temperature and at stresses below the yield strength. Creep strains in the Widmanstatten structure are affected by colony size and by sliding at the α/β interfaces. This paper reports the results of an investigation on single colony crystals of a near a Ti alloy to understand the dependence of creep on the orientation of the α/β interface and the operative slip system. Associated mechanisms of slip transfer across the α/β interface and possible interface sliding are investigated and the results obtained are presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 458: Symposium W – Interfacial Engineering for Optimized Properties , 1996 , 267
Copyright
Copyright © Materials Research Society 1997

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References

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