This paper summarized the characteristics of physic mechanical properties of aerospace structural materials and the testing technique at cryogenic temperature conditions.
概述了航天结构材料在深低温条件下的力学、物理特性及深低温力学性能研究的内容和特点。
In the cryogenic temperature field, the change of steel structure is random and ultramicroscopic, and it is also a kind of progressive changing process.
在超低温温度场中,钢组织结构的转变是随机、超显微的,而且是一种逐渐的转变过程。
In the refrigerant container (11), a liquid nitrogen layer (13) on the cryogenic temperature side and a nitrogen gas layer (14) on the normal temperature side are arranged next to each other.