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STUDYING THE EFFECT OF THE PRE-STRAIN ON THE YIELD LOCI FOR LOW CARBON STEEL SHEET | ||
| AL-TAQANI | ||
| Article 1, Volume 18, Issue 2, 2005, Pages 0-0 | ||
| Abstract | ||
| In this research a real behaviour of metal sheets of low carbon steel has been studied by using different stresses , which are represented by a simple tension balanced biaxial tension and plan-strain compression . The result showed that the yield stress in plan-strain compression were higher than yield stresses in balanced biaxial tension and simple tension . Moreover the increase volume of yield loci with increasing of pre-strain was found . Also comparison between the experimental yield loci with original and new Hill's theories, from this comparison found the new Hill theory gave a good approach at (m=1.9) . | ||
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