2층 클래드 강재의 유한요소해석을 이용한 이방성지수 계산
2014
In the current study, the R-value behavior of a two-layer clad steel was investigated using finite element analysis. Hill’s 1948 anisotropic yield equation was employed to characterize the anisotropic behavior of the steel with different assumed properties: isotropic (R=1) and anisotropic (R=2). Experimental R-values were determined by measuring the width and thickness ratios of tensile specimens. Finite element analysis results demonstrate a difference in strain behavior in the width and the thickness directions of the clad steel. The R-value behavior depends on the fraction of the clad materials and total elongation.
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