SEDL / STP / STP520-EB / STP38849S

Creep Testing of Alpha Iron During Thermal Cycling

Eylon, D
Research associate, professor, and associate professor, Technion-Israel Institute of Technology, Haifa,

Brandon, DG
Research associate, professor, and associate professor, Technion-Israel Institute of Technology, Haifa,

Rosen, A
Research associate, professor, and associate professor, Technion-Israel Institute of Technology, Haifa,

Pages: 9    Published: Jan 1973

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Abstract

The creep properties of alpha iron under thermal cycling conditions were investigated. A special creep testing equipment and creep testing method for nonuniform temperature conditions are described. It was found that creep rates under thermal cycling conditions are lower than the creep rates calculated from results of isothermal creep experiments. The increased creep resistance of alpha iron under thermal cycling conditions was found to be independent of the cycle time but dependent on the dwell time at the high temperature part of the cycle.