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

被引：0
作者：
Meyer D. [1 ]
Kämmler J. [2 ]
机构：
[1] MAPEX Center for Materials and Processes, University of Bremen, Bibliothekstr. 1, Bremen
[2] Leibniz Institute for Materials Engineering IWT, Badgasteiner Str. 3, Bremen
来源：
International Journal of Sustainable Manufacturing | 2018年 / 4卷 / 01期
关键词：
Deep rolling; Metastable austenite; Spray formed special alloy; Surface hardening;
D O I：
10.1504/IJSM.2018.099580
中图分类号：
学科分类号：
摘要：
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 (X210Cr12). The resulting surface integrity is analysed concerning the hardness penetration depth and the content of martensite. Copyright © 2018 Inderscience Enterprises Ltd.
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页码：64 / 78
页数：14
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