BS EN 1007-7-2010 高技术陶瓷.陶瓷复合材料.加固物测试方法.第7部分:高温条件下内有复丝粗纤维的原丝纤维拉伸应变和抗张强度分布失效测定

标准号：BS EN 1007-7-2010
中文标准名称：高技术陶瓷.陶瓷复合材料.加固物测试方法.第7部分:高温条件下内有复丝粗纤维的原丝纤维拉伸应变和抗张强度分布失效测定
英文标准名称：Advanced technical ceramics .Ceramic composites .Methods of test for reinforcements. Part 7:Determination of the distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at high temperature
标准类型：Q32
发布日期：2010/8/31 12:00:00
实施日期：2010/8/31 12:00:00
中国标准分类号：Q32
国际标准分类号：81.060.30
适用范围：This European standard specifies the conditions, apparatus and procedure for determining the distribution oftensile strength and tensile strain to failure of ceramic filaments in multifilament tows at high temperature in air,vacuum or a controlled inert atmosphere.This part of EN 1007 applies to tows of continuous ceramic filaments, which are assumed to act freely andindependently under loading and behave linearly elastic up to failure.Two methods are proposed depending on the temperature of the ends of the tow:a) hot end method;NOTE 1 The application of the hot end method is restricted by ceramic glues with sufficient shear strengths at thetest temperature. Current experience with this technique is limited to 1 300 °C, because of the maximum applicationtemperature of ceramic glues.b) cold end method.NOTE 2 The cold-end method is limited to 1 700 °C in air and 2 000 °C in inert atmosphere because of the limits offurnaces.Both methods allow for a failure rate in the determination of distribution of tensile strain and tensile strength.