Microstructural Analysis of Type 304 Metal Sleeve
| Periodical | Materials Science Forum (Volumes 702 - 703) |
|---|---|
| Main Theme | Textures of Materials - ICOTOM 16 |
| Edited by | Asim Tewari, Satyam Suwas, Dinesh Srivastava, Indradev Samajdar and Arunansu Haldar |
| Pages | 959-962 |
| DOI | 10.4028/www.scientific.net/MSF.702-703.959 |
| Citation | Shintaro Ohtani et al., 2011, Materials Science Forum, 702-703, 959 |
| Online since | December, 2011 |
| Authors | Shintaro Ohtani, Satoshi Morooka, Osamu Umezawa |
| Keywords | Austenitic Stainless Steel, Heavy Cold-Work, Recover, Recrystallization, Spinning, Strain Induced Martensite |
| Price | US$ 28,- |
In order to form thin metal sleeve with the thickness of 0.03 mm, type 304 austenitic steel sheet was deeply drawn to a cup and spinning method applied to its body. The sleeve shows high strength with a dual-phase microstructure of fine austenite and transformed martensite. Pancaked austenite and martensite grains were highly elongated along RD (drawing direction) in the layer structure, and their grain width was about 100 nm. Dynamically recovered austenite grains were highly aligned from {101} to {101}. The strain-induced martensite grains mainly showed two components of {001} and {111}. Recover and recrystallization of the sleeve appeared at the temperature from 873 K to 1073 K. Annealed at 1073 K the austenite grains were mostly recrystallized with intensifying {101}, and the martensite grains were also reverse-transformed to austenite.
