4.7 Article

Observation and interpretation of some microstructural features of low stress creep

Journal

SCRIPTA MATERIALIA
Volume 47, Issue 9, Pages 619-623

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1359-6462(02)00255-5

Keywords

diffusional creep; grain boundary sliding; microstructure; precipitate denuded zones

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Alternative mechanisms have been invoked to explain behaviour cited as evidence for diffusional creep. Consideration of microstructural changes detected during testing, in terms of both scratch displacements and precipitate redistribution, demonstrates that the alternative mechanisms suggested cannot give rise to the measured strain. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.

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