BS ISO 10275-2007 金属材料.薄板材和带材.抗拉应力硬化指数的测定

标准号：BS ISO 10275-2007
中文标准名称：金属材料.薄板材和带材.抗拉应力硬化指数的测定
英文标准名称：Metallic materials. Sheet and strip. Determination of tensile strain hardening exponent
标准类型：H22
发布日期：2007/6/29 12:00:00
实施日期：2007/6/29 12:00:00
中国标准分类号：H22
国际标准分类号：77.040.10
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. AlMg-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.