Recovery of creep properties of alloy 625 after long term service

Mathew, M D and Rao, K B S and Mannan, S L and Paknikar, K and Singh, R (2000) Recovery of creep properties of alloy 625 after long term service. Creep and Fracture Of Engineering Materials and Structures, 171 (1). pp. 537-543.

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Creep rupture properties of alloy 625, that has been in service for 60,000 h at 993 K, have been evaluated between 923 and 1173 K, after subjecting the service exposed material to resolution annealing treatment at 1433 K for one hour. The isostress and Larson-Miller parameter methods were employed to estimate the residual life of the service exposed material. Creep rupture strength and rupture ductility recovered substantially following re-solution annealing. The variations in rupture life and rupture ductility with creep test variables have been rationalised on the basis of the microstructural changes that occurred in the material.

Item Type:Article
Official URL/DOI:
Uncontrolled Keywords:alloy 625; creep; life extension; ageing; precipitation; delta-phase
Divisions:Corrosion and Surface Engineering
ID Code:3470
Deposited On:22 Jul 2011 10:58
Last Modified:11 Jan 2012 17:51
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