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Sustainable approach of heat treatment-free surface hardening by deep rolling

机译:通过深轧机的无热处理表面硬化的可持续途径

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Cold surface hardening is a sustainable approach to generate surface hardened steel components without a time- and energy-consuming heat treatment. The mechanical energy induced by a deep rolling process enables martensitic surface-hardening of metastable austenitic steels and thereby the combination of hardening and finishing in one single step. Using spray formed special alloys, a specific adjustment of the stability of the microstructure is possible by the alloy composition. In this paper spray formed alloys (X120CrMn5-2 and X150CrMn9-3) are investigated with respect to the, potential of mechanically induced martensitic hardening compared to results of conventional AISI D3 (X210Crl2). The resulting surface integrity is analysed concerning the hardness penetration depth and the content of martensite.
机译:冷表面硬化是一种可持续的方法,可以在没有时间和能量的热处理的情况下产生表面硬化钢组分。 由深轧机工艺引起的机械能使亚稳奥氏体钢的马氏体表面硬化,从而在单一步骤中的硬化和整理的组合。 使用喷雾形成的特殊合金,通过合金组合物可以具体调节微观结构的稳定性。 在该纸张中,与常规AISI D3(X210CRL2)的结果相比,对机械诱导的马氏体硬化的电位研究了所形成的合金(X120CrMn5-2和X150CrmN9-3)。 分析所得到的表面完整性关于硬度渗透深度和马氏体的含量。

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