Study on Temper Embrittlement of Phosphorus in Steel 12Cr1MoV

Li Li; Qing Fen Li; Er Jun Guo; Er Bao Liu; Xin Fang Cui; Xiao Xue Xu

doi:10.4028/www.scientific.net/KEM.297-300.1183

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 297-300Study on Temper Embrittlement of Phosphorus in...

Study on Temper Embrittlement of Phosphorus in Steel 12Cr1MoV

Abstract:

According to the non-equilibrium grain-boundary segregation (NGS) kinetics curve of phosphorus, a series of Charpy impact tests was performed in an industrial steel 12Cr1MoV, at solution temperature 1050oC, with isothermal holding temperature 540oC, on specimens of different holding time (at the segregation process, the critical time, and the desegregation process respectively). The DBTT values were measured and a temper embrittlement kinetics curve was given. The reverse temper embrittlement NGS mechanism for steel 12Cr1MoV was proposed.

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Key Engineering Materials (Volumes 297-300)

Pages:

1183-1188

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.297-300.1183

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Online since:

November 2005

Authors:

Li Li, Qing Fen Li, Er Jun Guo, Er Bao Liu, Xin Fang Cui, Xiao Xue Xu

Keywords:

DBTT, Grain Boundary, Segregation, Temper Embrittlement

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