Cyclic plastic deformation behaviour of Ni single crystals oriented for single slip as a function of hydrogen content

Authors
Magnin, T Bosch, C Wolski, K Delafosse, D
Citation
T. Magnin et al., Cyclic plastic deformation behaviour of Ni single crystals oriented for single slip as a function of hydrogen content, MAT SCI E A, 314(1-2), 2001, pp. 7-11
Citations number
8
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Material Science & Engineering
Journal title
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN journal
09215093 → ACNP
Volume
314
Issue
1-2
Year of publication
2001
Pages
7 - 11
Database
ISI
SICI code
0921-5093(20010915)314:1-2<7:CPDBON>2.0.ZU;2-K
Abstract
Ni single crystals oriented for single slip, exhibit well defined cyclic st ress-strain curves at room temperature, corresponding, partly to the format ion of persistent slip bands in a given plastic strain range. The aim of th e paper is to study the influence of hydrogen on the cyclic plastic behavio ur of such crystals. Tests on pre-charged specimens show a decrease of the saturation stress, in comparison with pure nickel samples. Such effects are discussed in terms of hydrogen-dislocation interactions, and reduced cross slip ability in presence of hydrogen. (C) 2001 Elsevier Science B.V. All r ights reserved.