The steels used in the power generation industry are almost always given a severe tempering heat-treatment before they enter service. This might be expected to give them a highly stable microstructure which is close to equilibrium. In fact, they undergo many changes over long periods of time. This paper is a review of some of the methods which exploit the changes in order to estimate the life that remains in alloys which are only partly exhausted.
International Materials Reviews, Vol. 43, 1998, 45-69.
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