“断面分析”或称“断口分析” 在金属材料中已成为性能研究、故障分析的一种重要手段,不少国家都有专著和图集出版。近年来高分子结构材料工作者也开始进行这方面的研究,亦有一些报导。本文为有机玻璃断口分析的一部分,对国产有机玻璃积累了一些典型静载断口照片,并就其特征与形成原因作了初步探讨。 “Profile analysis” or “fracture analysis” has become an important means of performance study and fault analysis in metal materials. Many countries have published monographs and atlas. In recent years, polymer structural materials workers have begun to carry out research in this area, there are some reports. In this paper, as part of the analysis of plexiglass fracture, some typical photographs of static fracture have been accumulated on the domestic plexiglass, and the characteristics and formation causes have been discussed.