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1.适用范围:本试验方法,可用于防振橡胶和类似于此种橡胶而受到反复变形的橡胶制品,并适用于测定胶料机械振动频率中的动态性能.2.用语:用下面的物理量表达测得的动态性能试验结果.(1)动态剪切弹性模量G_1或动态杨氏弹性模量E_1.(2)损失系数L,它等于损失正切.即L=tgδ.
1. Scope: This test method can be used for anti-vibration rubber and similar to the rubber and subjected to repeated deformation of rubber products, and is suitable for measuring rubber vibration frequency dynamic performance .2. Terms: Use the following physical quantities (1) Dynamic Shear Elastic Modulus G_1 or Dynamic Young Elastic Modulus E_1. (2) The loss coefficient L, which is equal to the loss tangent, ie, L = tgδ.