DIN ISO 10275-2009
金属材料.板材和带材.抗拉应力硬化指数的测定(ISO 10275:2007).DIN ISO 10275:2009-06的英文版本

Metallic materials - Sheet and strip - Determination of tensile strain hardening exponent (ISO 10275:2007);English version of DIN ISO 10275:2009-06

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标准号

DIN ISO 10275-2009

发布日期

2009年06月

实施日期

废止日期

无

中国标准分类号

H22

国际标准分类号

77.040.10

发布单位

DE-DIN

代替标准

DIN EN ISO 10275-2014

适用范围

This International Standard specifies a method for determining the tensile strain hardening exponent n of flat products (sheet and strip) made of metallic materials. The method is valid only for that part of the stress-strain curve in the plastic range where the curve is continuous and monotonic (see 7.4). In the case of materials with a serrated stress-strain curve in the work hardening range (materials which show the Portevin-Le Chatelier effect, e.g. AIMg-alloys) the automatic determination (linear regression of the logarithm true stress vs. the logarithm true plastic strain, see 7.7) should be used to give reproducible results.