用万能拉伸实验机和差示扫描量热仪(DSC)对物理老化和应变老化的ABS试样进行研究。
ABS samples of physical aging and strain aging were studied by universal tensile test machine and differential scanning calorimeter (DSC).
对硅橡胶泡沫材料进行了45%应变压缩状态下的热老化试验研究。
The temperature ageing tests have been applied to silicone rubber foam materials which in 45% strain compressive status.
长期老化后，混合料的破坏拉伸应变降低：再生沥青混合料降低幅度为17.4%，新沥青混合料降低幅度为12.2%。
The damage tensile strain of asphalt mixture decreases after long-term aging:17.4% for recycled asphalt mixture and 12.2% for new asphalt mixture.
这个特征时间受多种因素的影响，如温度、物理老化、 压力和溶剂浓度、损伤、应力水平或应变水平等。
The changes in intrinsic time of viscoelastic materials are usually studied in the framework of the free volume theory.
这个特征时间受多种因素的影响，如温度、物理老化、 压力和溶剂浓度、损伤、应力水平或应变水平等。
The changes in intrinsic time of viscoelastic materials are usually studied in the framework of the free volume theory.
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