Surface layer treatment using martensite formation of formed stainless steel

利用成形不锈钢的马氏体形成进行表面层处理

• 批准号: 423160066
• 负责人: Professor Dr.-Ing. Bernd-Arno Behrens
• 金额: --
• 依托单位: Institut für Maschinenkonstruktion und Tribologie (IMKT)
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2019
• 资助国家: 德国
• 起止时间: 2018-12-31 至 2023-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/423160066?language=en
• 关键词: Surface; layer; treatment; using; martensite

The aim of this proposal is the use of forming induced phase transformation in metastable austenitic steels to modify surface layer of complex massively formed components. The effect occurs in production phase as well as use phase and the combination of both. In particular, further knowledge of local strain hardening and martensitic phase transformation in the area of the surface layer in the manufacturing- and use phase is necessary. In order to take influence on phase transformation of the surface layer, a detailed consideration of the tribological relationship between tool (surface) and workpiece (lubrication) is required. The steel investigated in this proposal is a metastable austenitic 1.4404. A ball bearing inner ring is particularly suitable here as a demonstrator component, since the active surfaces get transformed on the one hand in the forming process (production phase) and on the other hand also by the running - in endurance (use phase).

该提案的目的是在亚稳奥氏体钢中使用成形诱导相变来改性复杂大规模成形部件的表面层。这种影响既发生在生产阶段，也发生在使用阶段，也发生在两者的结合。特别是，需要进一步了解制造和使用阶段表面层区域的局部应变硬化和马氏体相变。为了影响表面层的相变，需要详细考虑工具（表面）和工件（润滑）之间的摩擦学关系。本提案中研究的钢是亚稳奥氏体1.4404。滚珠轴承内圈在此特别适合作为演示部件，因为一方面在成形过程（生产阶段）中，另一方面也通过磨合耐久性（使用阶段），活动表面得到了转变。