Microstructural Evolution During Friction Surfacing of Austenitic Stainless Steel AISI 304 on Low Carbon Steel

被引：27
作者：
Rafi, H. Khalid [1 ]
Babu, N. Kishore [2 ]
Phanikumar, G. [1 ]
Rao, K. Prasad [1 ]
机构：
[1] Indian Inst Technol, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India
[2] Singapore Inst Mfg Technol SIMTech, Joining Technol Grp, Singapore 638075, Singapore
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2013年 / 44A卷 / 01期
关键词：
DYNAMIC RECRYSTALLIZATION; DECISION-SUPPORT; DEFORMATION;
D O I：
10.1007/s11661-012-1366-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Austenitic stainless steel AISI 304 coating was deposited over low carbon steel substrate by means of friction surfacing and the microstructural evolution was studied. The microstructural characterization of the coating was carried out by optical microscopy (OM), electron back scattered diffraction (EBSD), and transmission electron microscopy (TEM). The coating exhibited refined grains (average size of 5 mu m) as compared to the coarse grains (average size of 40 mu m) in as-received consumable rod. The results from the microstructural characterization studies show that discontinuous dynamic recrystallization (DDRX) is the responsible mechanism for grain evolution as a consequence of severe plastic deformation. DOI: 10.1007/s11661-012-1366-3 (C) The Minerals, Metals & Materials Society and ASM International 2012
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收藏
页码：345 / 350
页数：6
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