Precipitation behaviour and high temperature strength of the superalloy CoCr22Ni22W14

Authors
Muhle, U Martin, U Oettel, H
Citation
U. Muhle et al., Precipitation behaviour and high temperature strength of the superalloy CoCr22Ni22W14, METALL, 53(6), 1999, pp. 324
Citations number
19
Categorie Soggetti
Metallurgy
Journal title
METALL
ISSN journal
00260746 → ACNP
Volume
53
Issue
6
Year of publication
1999
Database
ISI
SICI code
0026-0746(199906)53:6<324:PBAHTS>2.0.ZU;2-2
Abstract
The precipitation behaviour of the high temperature sheet material CoCr22Ni 22W14 is investigated in a qualitative and quantitative manner using transm ission and scanning electron microscopy. There are to be found two carbide phases and a Laves-phase. The presence of the phases changes depending on t ime and temperature of a thermal loads. The results are able to explain a w hole string of phenomena of the high temperature mechanical properties (cre ep and hot tensile behaviour).