B (edW) (edW) s (m/m) s (m/m) A:Low carbon steel B:Medium carbon steel C:Plaster of paris D:Tungsten carbide E:Grey cast iron (in compression) F:Grey cast iron (in tension) PDF文件使用"pdfFactory Pro”试用版本创建w,fineprint..com,cn
A: Low carbon steel B: Medium carbon steel C: Plaster of paris D: Tungsten carbide E: Grey cast iron (in compression) F: Grey cast iron (in tension) B A C D E F s ( M P a ) e (m/m) s ( M P a ) e (m/m) PDF 文件使用 "pdfFactory Pro" 试用版本创建 êwww.fineprint.com.cn ê
Determination of offset yield strength CPonder 69 intersection point Offset line 1 0.002 0.010 PDF文件使用"pdfFactory Pro'”试用版本创建继粒fineprint.com,cn
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Ductility elongation= -x100 RA reduction in area= A-A2×100 A PDF文件使用"pdfFactory Pro”试用版本创建ww,fineprint..com,cn
% elongation＝ % RA reduction in area＝ 100 0 0 ´ - l l l f 100 0 0 ´ - A A A f Ductility PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
F Engineering stress: Engineering strain: 1-1 e True stress: True strain: PDF文件使用"pdfFactory Pro'”试用版本创建um,fineprint.com,cn
Engineering stress： Engineering strain： True stress： True strain： A 0 F s = 0 0 l l - l e = A F s t = ò = = A A l l l dl 0 0 ln ln PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn
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c o m p a r i s o n o f c o m p a r i s o n o f t r u e s t r e s s s t r e s s - s t r a i n c u r v e w i t h s t r a i n c u r v e w i t h e n g i n e e r i n g s t r e s s e n g i n e e r i n g s t r e s s - s t r a i n s t r a i n c u r v S e t r e s s Strain True stress-strain curve Engineering stress-strain curve ponder PDF 文件使用 "pdfFactory Pro" 试用版本创建 êwww.fineprint.com.cn ÿ