Journal Published Online: 01 March 2003
Volume 31, Issue 2

Fatigue-Creep Dynamic Strain Rate Map of a Fe-Ni-Cr Alloy with Coarse Branch Crystals

CODEN: JTEVAB

Abstract

The effect of branch crystals on fatigue-creep deformation behavior of a Fe-Ni-Cr casting alloy has been studied. The different orientations between the branch crystal boundaries and the loading axis played an important role in inducing the deformation process. The fatigue-creep dynamic strain rate curves could be classified into three interaction regions according to the differing stress dependence of the fatigue creep strain rate. A new characteristic strain rate map with three fatigue-creep interaction regions of a Fe-Ni-Cr casting alloy with different branch crystal orientations has been established to provide full information on deformation under a wide range of combinations of fatigue and creep stresses.

Author Information

Fu, HQ
Northern Jiaotong University, Beijing, China
Liang, CG
Research Institute of Metal, University of Science and Technology Beijing, Beijing, China
Hua, ZS
Research Institute of Metal, University of Science and Technology Beijing, Beijing, China
Pages: 3
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Details
Stock #: JTE12415J
ISSN: 0090-3973
DOI: 10.1520/JTE12415J