Principles and testing of low-temperature brittle fracture
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What is the principle behind the brittle fracture of steel at low temperatures? Is there any way to determine the susceptibility to low-temperature brittle fracture? Are there any changes in the metallography? One can’t possibly use a sample taken from the container itself to measure the impact energy
http://bbs.hcbbs.com/thread-273156-1-1.html. During the container design process, it is necessary to consider the properties of the materials used at low temperatures. Brittle fracture occurs when the material breaks suddenly; such fractures cannot be detected at low temperatures, and failure analysis can only be carried out after the fracture has taken place.