低温压力容器的特点是易产生脆性破坏,脆性破坏会导致灾难性事故.文章分析了低温脆性断裂的基本特征和断裂机理,并探讨了低温压力容器选材、设计、制造检验等过程中应该注意的关键问题,以期对低温压力容器的设计提供借鉴和帮助.%The characteristic of low temperature pressure vessels was prone to brittle failure and brittle failure will lead to catastrophic accidents.This paper analyzes the basic characteristics of the low temperature brittle fracture and fracture mechanism, and discusses the key problems of the low temperature pressure vessel's selection of material, design, manufacturing, inspections, etc, in order to provide reference and help to the design of low temperature pressure vessels.
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