CYCLIC CREEP STUDY ON AN IRON-BASE SUPERALLOY
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Abstract
Cyclic creep tests were conducted in an iron-base superalloy GH132 at 650℃ and constant maximum stress (46kg/mm2) with different minimum stresses(10,23 and 43kg/mm2). Deformation at cyclic creep is complicated. Beside elastic and plastic deformation, an elastic deformation occurs at cyclic creep. Deformation behaviour at cyclic creep depends on stress amplitudes and minimum stresses.
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