Microstructure and property of a selective laser melting process induced oxide dispersion strengthened 17-4 PH stainless steel

• Published in: Journal of alloys and compounds Vol. 803; pp. 30 - 41
• Main Authors: Hsu, Tzu-Hou, Chang, Yao-Jen, Huang, Cheng-Yao, Yen, Hung-Wei, Chen, Chih-Peng, Jen, Kuo-Kuang, Yeh, An-Chou
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 30.09.2019; Elsevier BV
• Subjects: 17-4 PH stainless steel; Austenite; Copper; Dislocations; Dispersion hardening steels; Heat treating; Heat treatment; Laser beam melting; Martensite; Martensitic stainless steels; Martensitic transformations; Microstructure; Oxide dispersion strengthening; Oxygen content; Precipitation hardening; Precipitation hardening steels; Selective laser melting; Stainless steel; Tensile properties; Ultrafines; Work hardening; 17-4 PH stainless steel; Heat treatment; Selective laser melting; Tensile properties; Oxide dispersion strengthening

Selective laser melting (SLM) process of 17-4 PH stainless steel has been a subject of research interest due to its complex microstructure-property correlation associated with SLM process. In this work, an oxide dispersion strengthened 17-4 PH stainless steel was successfully fabricated directly by...