Paper Title:
Creep Properties of Hastelloy-X Alloy for the High Temperature Gas-Cooled Reactor
  Abstract

The creep properties for the Hastelloy-X alloy which is one of candidate alloys for a high temperature gas-cooled reactor are presented. The creep data was obtained with different stresses at 950oC, and a number of the creep data was collected through literature surveys. All of the creep data were combined together to obtain the creep constants and to predict a long-term creep life. In the Norton’s creep law and the Monkman-Grant relationship, the creep constants, A, n, m, and m’ were obtained. Creep master curves based on the Larson-Miller parameter were presented for the standard deviations of 1σ, 2σ and 3σ. Creep life at each temperature was predicted for a longer-time rupture above 105 hours. Failure probability was also estimated by a statistical process of all the creep rupture data.

  Info
Periodical
Key Engineering Materials (Volumes 326-328)
Edited by
Soon-Bok Lee and Yun-Jae Kim
Pages
1105-1108
DOI
10.4028/www.scientific.net/KEM.326-328.1105
Citation
W. G. Kim, S. N. Yin, W. S. Ryu, J. H. Chang, "Creep Properties of Hastelloy-X Alloy for the High Temperature Gas-Cooled Reactor", Key Engineering Materials, Vols. 326-328, pp. 1105-1108, 2006
Online since
December 2006
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$32.00
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