Effect of Cr2N Precipitation on Deformed Microstructure in High Nitrogen Austenitic Stainless Steel |
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| Journal | Key Engineering Materials (Volumes 345 - 346) |
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| Volume | The Mechanical Behavior of Materials X |
| Edited by | S.W. Nam, Y.W. Chang, S.B. Lee and N.J. Kim |
| Pages | 161-164 |
| DOI | 10.4028/www.scientific.net/KEM.345-346.161 |
| Citation | Tae Ho Lee et al., 2007, Key Engineering Materials, 345-346, 161 |
| Online since | August, 2007 |
| Authors | Tae Ho Lee, Sung Tae Kim, Hae Jung Bang, Chang Seok Oh, Sung Joon Kim, Setsuo Takaki |
| Keywords | Cr2N, Deformation, High Nitrogen Steel (HNS), Twinning |
| Abstract | The effect of Cr2N precipitation on deformed microstructure in high nitrogen austenitic Fe-18Cr-18Mn-2Mo-0.9N steel was investigated with a particular emphasis on deformation twinning. Based on the crystallographic analysis in the stereographic projection, the orientation relationship between austenite (γ) matrix and Cr2N was determined to be Cr2N [110]γ //[1100] and Cr2N (111) γ //(0001) . The deformation twinning had {111} < 112 > crystallographic component similar to that of cellular Cr2N. The cellular Cr2N precipitates caused a different orientation dependence of deformation twinning: only one twinning system in the <111 > grain was activated almost parallel to the growth direction of Cr2N. |
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