Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 483-84, Issue -, Pages 369-372Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2006.10.181
Keywords
inconel 718 superalloy; cyclic deformation; microstructure; precipitation-hardened alloy
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Cyclic deformation behavior of IN 718 fatigued at room temperature and 920 K was examined. A significant cyclic deformation softening was observed, and planar deformation bands were formed at both the temperatures. The coherent and ordered gamma '' precipitates were observed to be sheared by dislocations moving on {1 1 1} slip planes. A model describing the formation of planar slip bands is given. (c) 2007 Elsevier B.V. All rights reserved.
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