Manufacturing oxide-dispersion-strengthened steels using the advanced directed energy deposition process of high-speed laser cladding

被引：0
作者：
Markus B. Wilms
Norbert Pirch
Bilal Gökce
机构：
[1] University of Wuppertal,Materials Science and Additive Manufacturing, School of Mechanical Engineering and Safety Engineering
[2] Fraunhofer Institute for Laser Technology ILT,Materials Science and Additive Manufacturing, School of Mechanical Engineering and Safety Engineering
[3] University of Wuppertal,undefined
来源：
Progress in Additive Manufacturing | 2023年 / 8卷
关键词：
High-speed laser cladding; EHLA; Laser additive manufacturing; Oxide-dispersion-strengthened steels; ODS; Directed energy deposition; Laser metal deposition;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this work, we demonstrate the feasibility of manufacturing an iron-based oxide-dispersion-strengthened (ODS) PM2000 composite material with the chemical composition of Fe20Cr4.5Al0.5Ti + 0.5Y2O3 (in wt.%) via the advanced directed energy deposition (DED) process of high-speed laser cladding (HSLC). The characteristic high solidification rates of HSLC processes allow the successful dispersion of nano-scaled yttrium-based oxides in the ferritic stainless steel matrix. The effective suppression of nano-particle agglomeration during the melting stage, which is frequently observed in conventional DED processes of ODS materials, is reflected by smaller dispersoid sizes and corresponding higher hardness of manufactured specimen compared to DED-manufactured counterparts.
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页码：159 / 167
页数：8
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