| Title |
Damping Capacity of High Manganese Austenitic Stainless Steel with a Two Phase Mixed Structure of Martensite and Austenite |
| Authors |
황태현(Tae Hyun Hwang); 강창룡(Chang Yong Kang) |
| DOI |
https://doi.org/10.3365/KJMM.2013.51.9.645 |
| ISSN |
1738-8228(ISSN), 2288-8241(eISSN) |
| Keywords |
reversed austenite; deformation induced martensite; damping annealing; transmission electron microscopy; metals |
| Abstract |
Abstract: The damping capacity of high manganese austenitic stainless steel with a two phase mixed structure of deformation-induced martensite and reversed austenite was studied. Reversed austenite with an ultra-fine grain size of less than 0.2 μm was obtained by reversion treatment. The two phase structure of deformation-induced martensite and reversed austenite was obtained by annealing treatment at a range of 500-700℃ and various times in cold rolled high manganese austenitic stainless steel. The damping capacity increased with an increasing annealing temperature and time. In high manganese stainless steel with the two phase mixed structure of martensite and austenite, the damping capacity decreased with an increasing volume fraction of deformation-induced martensite. Thus, the damping capacity was strongly affected by deformation-induced martensite. The results confirmed that austenitic stainless steel with a good combination of strength and damping capacity was obtained from the two phase mixed structure of austenite and martensite. |