深冷容器用奥氏体不锈钢冷成形封头铁素体量的控制
Pressure Vessel Technology(2018)
Abstract
降低深冷容器用奥氏体不锈钢(S30408/1.4301)封头成形后铁素体量,可减少其在使用中的开裂.通过研究,除固溶外,控制铁素体量可通过提高奥氏体不锈钢(S30408/1.4301)中Ni含量和温成形实现,并研究温成形在不同温度下的奥氏体不锈钢封头铁素体量的变化规律,从而寻找更经济、更合适的控制铁素体的方法.
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Key words
warm forming,head,ferrite number,ferrite number control
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