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- Title
Microstructural Evolution During Friction Surfacing of Austenitic Stainless Steel AISI 304 on Low Carbon Steel.
- Authors
Khalid Rafi, H.; Kishore Babu, N.; Phanikumar, G.; Prasad Rao, K.
- Abstract
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 μm) as compared to the coarse grains (average size of 40 μm) 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.
- Subjects
AUSTENITIC stainless steel; MICROSTRUCTURE; AUSTENITIC steel; MICROSCOPY; ELECTRON backscattering; TRANSMISSION electron microscopy; RECRYSTALLIZATION (Metallurgy)
- Publication
Metallurgical & Materials Transactions. Part A, 2013, Vol 44, Issue 1, p345
- ISSN
1073-5623
- Publication type
Article
- DOI
10.1007/s11661-012-1366-3