Stress drop experiments during creep of Zr-1 wt.% Nb Alloy

Thorpe W.R. and Smith I.O. (1978) Stress drop experiments during creep of Zr-1 wt.% Nb Alloy. Materials Science and Engineering, 36 2: 145-154. doi:10.1016/0025-5416(78)90066-6


Author Thorpe W.R.
Smith I.O.
Title Stress drop experiments during creep of Zr-1 wt.% Nb Alloy
Journal name Materials Science and Engineering
ISSN 0025-5416
Publication date 1978-01-01
Sub-type Article (original research)
DOI 10.1016/0025-5416(78)90066-6
Open Access Status Not yet assessed
Volume 36
Issue 2
Start page 145
End page 154
Total pages 10
Subject 2200 Engineering
Abstract Strain transients following small stress decrements were investigated during creep of Zr-1 wt.% Nb alloy at temperatures in the range 295 - 773 K. These transients consisted of two regions of constant strain rate (stages I and II) separated by a sharp transition or breakaway. Delay times were observed under conditions of strong dynamic strain aging only. The breakaway transients are rationalized in terms of a recovery creep theory in which either of two separate recovery processes may be rate controlling. Cold work followed by recovery prior to testing resulted in the breakaway transients being replaced by a smooth curve. The creep rates in stages I and II of the transients correlated well with the effective stress and the stress dependence of these creep rates took on values of less than unity at low effective stresses.
Q-Index Code C1
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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