HEAT-TREATMENT PROCESS FOR A STEEL
    6.
    发明申请
    HEAT-TREATMENT PROCESS FOR A STEEL 审中-公开
    钢的热处理工艺

    公开(公告)号:WO2009045146A1

    公开(公告)日:2009-04-09

    申请号:PCT/SE2008/000544

    申请日:2008-10-03

    Abstract: A process for inducing a compressive residual stress in a surface region of a steel component, the process comprising a heat treatment having the following steps: (i) providing a component comprising a steel composition; (ii) induction heating at least a part of the component followed by quenching said at least part, wherein the hardness in a surface region of the component is increased; and (iii) subsequently performing a martensite and/or bainite through hardening step to obtain a microstructure comprising martensite and/or bainite.

    Abstract translation: 一种用于在钢部件的表面区域中引起压缩残余应力的方法,所述方法包括具有以下步骤的热处理:(​​i)提供包含钢组合物的组分; (ii)感应加热所述组分的至少一部分,然后淬火所述至少部分,其中所述组分的表面区域中的硬度增加; 和(iii)随后通过硬化步骤进行马氏体和/或贝氏体以获得包含马氏体和/或贝氏体的微结构。

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