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Forming operation of metastable austenitic stainless steel and inductive recrystallization of strain induced martensite

机译:亚稳态奥氏体不锈钢的形成操作和应变诱发马氏体的感应重结晶

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摘要

The temperature assisted recrystallization of strain induced martensite, after deep drawing metastable austenitic stainless steels, is a well known process for increasing the formability throughmulti-level deep drawing applications. State of the art recrystallization processes, using continuous annealing or vacuum furnaces, have the disadvantage of variable grain growth over the part cross section. This paper shows how the heat treatment by using an electromagnetical field, provided through different types of induction coils, can affect material properties positively. The studies were carried out on AISI 304 specimens with varied strain rates.
机译:深拉伸亚稳态奥氏体不锈钢后,应变诱导马氏体的温度辅助重结晶是众所周知的通过多级深拉伸应用来提高可成形性的工艺。使用连续退火或真空炉的现有技术重结晶工艺的缺点是,在整个零件横截面上的晶粒长大不一。本文显示了通过不同类型的感应线圈提供的电磁场进行的热处理如何对材料性能产生积极影响。这项研究是在AISI 304标本上以不同的应变速率进行的。

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