Study on Temper Embrittlement of Phosphorus in Steel 12Cr1MoV
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.
Young-Jin Kim, Dong-Ho Bae and Yun-Jae Kim
L. Li et al., "Study on Temper Embrittlement of Phosphorus in Steel 12Cr1MoV ", Key Engineering Materials, Vols. 297-300, pp. 1183-1188, 2005