论文部分内容阅读
设计和建造大型磁体系统(包括常温和低温超导磁体)是目前核聚变工程中重要的问题之一。而磁体研制的核心问题都与强大机械力的存在有关。因此开展对磁体及结构材料应力的研究工作就显得特别重要。 近年来开始应用声学方法研究磁体中与力有关的问题(例如用声发射技术探测超导磁体的工作情况),已取得了有希望的结果。我们对低温与超导磁体中常用结构材料进行过声发射实验研究,也对目前尚存在争论的“磁体猝灭的声发射预测”问题进行了实验研
Design and construction of large magnet systems (including normal temperature and low temperature superconducting magnets) is one of the most important issues in nuclear fusion engineering. The core of magnet development and the existence of a strong mechanical force. Therefore, to carry out research on the stress of the magnet and structural materials is particularly important. In recent years, promising applications have been made for the study of force-related problems in magnets by using acoustical methods, such as acoustic emission techniques for detecting superconducting magnets. We have carried out experimental studies on the acoustic emission of structural materials commonly used in cryogenic and superconducting magnets, and also conducted an experimental study on the currently-controversial “acoustic emission prediction of magnet quenching”