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Á¦¸ñ : Æò¸éº¯Çü·ü»óÅ¿¡¼ÀÇ von Mises Ç׺¹±âÁØÀÇ Æ¯¼º¿¡ °üÇÑ ÀÌ·ÐÀû ¿¬±¸
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¹ßÇàÇÐȸ : Çѱ¹»êÇбâ¼úÇÐȸ [The Korea Academia-industrial cooperation Society]
¹ßÇàÁ¤º¸ : Á¦ 16±Ç 9È£ pp.6391-6396(6 pages)
¹ßÇà³âµµ : 2015
ÀúÀ۽ñâ : 2015³â 9¿ù
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In order to investigate chara
cteristics of the von Mises yield criterion under 2 dimensional stress condition,two cases of plane strain were studied. One of which was for zero elastic strain and the other was for zero plasticstrain increment. Yield functions for the plane strain condition for zero elastic strain and for the plane stress conditionwere represented as ellipse and the two yield functions were compared by ratios of major axis, minor axis andeccentricity and it was seen that the ratio of minor axis was the same between the two cases and the ratios of majoraxis and eccentricity were functions of Poisson¡¯s ratio. Region of elastic behavior obtained from considering planestrain condition of zero elastic strain increases as the Poisson¡¯s ratio increases. Yield function for plane strain obtainedfrom considering zero plastic increment and associate flow rule was displayed as straight line and the region of elasticbehavior was greater than that for the case of plane stress. (ÀÌÇÏ »ý·«)
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