This paper presents the structural features and characteristics of the radial impact tester, torsional fatigue tester, rotary bending tester and radial load tester used for the tests.

本文介绍了用于该试验的径向冲击试验机、扭转疲劳试验机、旋转弯曲疲劳试验机和径向载荷疲劳试验机的结构形式及性能特点。

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Effects of temperature on impact strength of PVC and the effects od load rate on mechanical properties under tension and bending load of PVC are Studied.

本文研究了加载速率对PVC拉仲、弯曲性能的影响规律及试验温度对PVC冲击强度的影响。

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