影响奥氏体不锈钢深冷容器应变强化变形率的因素

Factors Affecting Cryogenic Pressure Vessels Deformation Rate of Austenitic Stainless Steel

通过分析材料的化学成分、力学性能、强化温度、加强结构、筒体厚度、焊接材料及焊接参数、应变速率对奥氏体不锈钢S30408应变强化内容器变形率的影响,预确定更合适的变形率,满足高真空多层绝热深冷容器的安全和结构要求,并能充分发挥其承载能力,实现多层绝热深冷容器的轻量化设计。

Through the analysis of the chemical composition, mechanical properties of materials, strengthening temperature, strengthening structure, shell thickness, welding material and welding parameters, the strain rate of austenitic stainless steel S30408 strain-hardening container within the influence of deformation rate, more appropriate preliminary determination of deformation rate, satisfy the high vacuum multi-layer insulated cryogenic vessel safety and structural requirements, and can give full play to its bearing capacity, high vacuum multilayer insulation lightweight design of cryogenic vessels.