316FR鋼の高温疲労寿命特性

概要

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Type 316 FR stainless steel has been developed as a candidate material for fast breeder reactor of next century. For the structural integrity design of high temperature components including reactor vessel, long-term data and analysis method are investigated for the new 316 FR steel especially to evaluate its time-dependent low-cycle fatigue behavior. The present paper reports dependencies of fatigue life on the strain rate from 10^<-2> to 10^<-5>S^<-1>, and on the temperature dependencies from 500℃ to 600℃. Data are analized by a parametric method formerly proposed by the authors. It is shown that the method has a good predictability of the fatigue life up to very low strain rate of 10^<-6>S^<-1>.
一般社団法人日本機械学会の論文
1998-03-25