The effects of testing temperature on notch impact strength, fractographic features and fracture surface roughness of PVC have been studied.
研究了温度对聚氯乙烯PVC缺口冲击强度、断口形貌特征及断面粗糙度的影响。
2
Fractographic observations showed that hydrogen could induce surface cracks for smooth specimens and a cleavage fracture pattern for notch specimens at RT.
破断面观察结果显示，在室温中，氢气会导致平滑试片在表面形成裂纹，而在凹槽试片中产生劈裂破坏形态。
3
The mechanical properties testing, microstructure observation and fractographic features analysis of the troostite high chromium cast iron blade were carried out.