Ratchetting behavior of 20MnMoNi55 reactor pressure vessel steel
作者： Apu Sarkar , Bhupendra K. Kumawat , J.K. Chakravartty
DOI: 10.1016/J.JNUCMAT.2015.09.010
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摘要: Abstract Uniaxial ratchetting characteristics of 20MnMoNi55 steel at room temperature were studied experimentally. The effects stress amplitude and mean on the behavior analyzed. It can be concluded that strain rate increases with increasing or correspondingly. exhibited large accumulation which is attributed to its cyclic softening characteristic. Variation cycle number displayed three stage behavior.
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