标准摘要
[中文适用范围]: 本文件规定了一种测试方法,用于确定单搭接粘合组件中粘合剂在受到拉力时的剪切行为。 该测试是在由厚的、刚性的被粘物组成的样品上进行的,具有较短的重叠长度,以获得尽可能均匀的剪切应力分布,并最大限度地减少引发失效的其他应力状态。 该测试方法可用于确定: ——粘合剂失效时的剪切应力与剪切应变曲线; ——粘合剂的剪切模量; ——可以从应力/应变曲线得出的其他粘合性能,例如割线剪切模量和最大剪切应力; ——温度、环境、测试速度等对这些性能的影响。 本文件不适用于粘合失败的情况。 [外文原描述]: This document specifies a test method for determining the shear behaviour of an adhesive in a single lap joint bonded assembly when subjected to a tensile force. The test is performed on specimens consisting of thick, rigid adherends, with a short length of overlap, in order to obtain the most uniform distribution of shear stresses possible and to minimize other stress states which initiate failure. This test method may be used to determine: — the shear-stress against shear-strain curve to failure of the adhesive; — the shear modulus of the adhesive; — other adhesive properties that can be derived from the stress/strain curve such as secant shear modulus and maximum shear stress; — the effect of temperature, environment, test speed, etc., on these properties. This document does not apply in case of adhesion failure.
英文名称Adhesives — Determination of shear behaviour of structural adhesives — Part 2: Tensile test method using thick adherends