並列タイトル等Variation in Plastic Strain Range of a Rolled Steel for General Structures SS400 during Fatigue Process (Based on Logistic Analyses)
一般注記The plastic strain range of stress-strain curve during fatigue process was measured for an annealed and a rolled steel for general structure SS400. It was found that variation in plastic strain range Δε_p was expressed using movable dislocation density ρ and Burgers vector b. The movable dislocation density was estimated from the plastic strain range and was expressed as a function of the number of stress cycles n by the following equations using a model based on the multiplication and annihilation process of dislocations. Δε_p=√<ρ>b,ρ=1/(β/α+1/ρ_0e<-an>+<βk>/αn). It was concluded that the calculation using this equation corresponds well with plastic strain range.
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連携機関・データベース国立情報学研究所 : 学術機関リポジトリデータベース(IRDB)(機関リポジトリ)