Physicochemical phase analysis of high nitrogen austenitic stainless steels after solution treatment and aging

MA Yu-xi; RONG Fan; LI Ling-xia; ZHOU Rong; JIANG Ye-hua

doi:10.13374/j.issn1001-053x.2009.03.044

Volume 31 Issue 3

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MA Yu-xi, RONG Fan, LI Ling-xia, ZHOU Rong, JIANG Ye-hua. Physicochemical phase analysis of high nitrogen austenitic stainless steels after solution treatment and aging[J]. Chinese Journal of Engineering, 2009, 31(3): 324-329. doi: 10.13374/j.issn1001-053x.2009.03.044

Citation:

MA Yu-xi, RONG Fan, LI Ling-xia, ZHOU Rong, JIANG Ye-hua. Physicochemical phase analysis of high nitrogen austenitic stainless steels after solution treatment and aging[J]. Chinese Journal of Engineering, 2009, 31(3): 324-329. doi: 10.13374/j.issn1001-053x.2009.03.044

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Physicochemical phase analysis of high nitrogen austenitic stainless steels after solution treatment and aging

doi: 10.13374/j.issn1001-053x.2009.03.044

1. Research and Development Center, Wuhan Iron and Steel(Group) Corp., Wuhan 430080, China;
2. Institute for Structural Materials, Central Iron & Steel Research Institute, Beijing 100081, China;
3. Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming 650093, China

Received Date: 2008-02-26
Available Online: 2021-08-09

Abstract

Abstract

Precipitation of nitrides and carbides in high nitrogen austenitic stainless steels after solution treatment and aging was investigated by using a physicochemical phase analysis method. The character, particle size distribution, content and structural formulae of phases in the alloy were determined. It is shown that the precipitate is mostly M₂₃C₆ carbide in 1Cr22Mn15N0.6 steel and (CrFe)₂N_1-x nitride in 1Cr22Mn15N0.9 steel respectively, and its volume fraction increases with prolonging the aging time.
- high nitrogen austenitic stainless steel,
- solution treatment and aging process,
- physicochemical phase analysis,
- precipitation behavior