ATOMIC DIFFUSION CONTROL DURING TEMPERING OF STEEL 20Cr11MoVNbNB

金属学报(英文版), 1993, 6(5): 304-308.

ATOMIC DIFFUSION CONTROL DURING TEMPERING OF STEEL 20Cr11MoVNbNB

FU Changpu HAN Yong Shaanxi Mechanical Engineering Institute , Xi'an , China FU Changpu , associate professor , Department of Materials Engineering , Shaanxi Mechanical Engineering Institute , Xi'an 710048 , China

Keywords： steel 20Cr11MoVNbNB , null , null , null

Studies were made of the effect of tempering at temperatures from 25 to 750℃ for 0.5 to 100 h on changes of hardness,precipitated phase and its alloying element content as well as activation energy of tempering for quenched steel 20Cr11MoVNbNB.Tempering of the steel at temperatures below 400℃ may be controlled by the diffusion of C atoms in α-Fe,and above 400℃,by diffusion of Cr,also Mo or V,in α-Fe.

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ATOMIC DIFFUSION CONTROL DURING TEMPERING OF STEEL 20Cr11MoVNbNB

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