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Chin J Mater Res  2009, Vol. 23 Issue (3): 269-274    DOI:
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Evolution of precipitated phase during aging treatment in 316L austenitic stainless steel
DING Xiuping ; LIU Xiong;  HE Yanlin;  FU Renyu;  LI Lin
School of Materials Science and Engineering; Shanghai University; Shanghai 200072
Cite this article: 

DING Xiuping LIU Xiong HE Yanlin FU Renyu LI Lin. Evolution of precipitated phase during aging treatment in 316L austenitic stainless steel. Chin J Mater Res, 2009, 23(3): 269-274.

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Abstract  

The effects of the aging temperature and time on precipitation behavior of 316L austenitic stainless steel were analyzed, and the volume fraction and the sizes of the precipitates were determined. By the thermodynamic calculation with the update database, the results show that the precipitated phase in 316L austenitic stainless steel was M23C6 type carbide after aging at 850℃, and the amount and size of M23C6 were increased with enhanced aging time. After aging at 650℃ for 100 h, the precipitated phase in steel was mainly composed of χ phase.
Key words:  metallic materials      316L austenitic stainless steel      aging treatment      precipitated phase      M23C6 carbide     
Received:  05 December 2008     
ZTFLH: 

TG142

 
  TG113

  
Fund: 

Supported by National Natural Science Foundation of China No.50671061, the Program for Changjiang Scholars and Innovative Research Team in University No.IRT0739, and Special Scientific Research Foundation for Outstanding Young Teachers in Shanghai.
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https://www.cjmr.org/EN/     OR     https://www.cjmr.org/EN/Y2009/V23/I3/269

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