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ATOMIC DIFFUSION CONTROL DURING TEMPERING OF 20CrllMoVNbNB STEEL |
FU Changpu;Han Yong Shaanxi Mechanical Engineering Institute; Xi'an associate professor;Department of Materials Engineering;Shaanxi Mechanical Engineering Institute;Xi'an 710048 |
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Cite this article:
FU Changpu;Han Yong Shaanxi Mechanical Engineering Institute; Xi'an associate professor;Department of Materials Engineering;Shaanxi Mechanical Engineering Institute;Xi'an 710048. ATOMIC DIFFUSION CONTROL DURING TEMPERING OF 20CrllMoVNbNB STEEL. Acta Metall Sin, 1993, 29(3): 35-39.
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Abstract Studies were made of the effect of tempering varied at temperature rangedfrom 25 to 750℃ for 0.5 to 100 h on the changes of measured hardness, precipitated phaseand its alloying elements content as well as the activation energy of tempering for quenchedsteel 20Cr11MoVNbNB. Tempering of the steel below 400℃ may be controlled by diffusionof C atoms in α-Fe, and over 400℃, by diffusion of Cr, also Mo or V, in α-Fe
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Received: 18 March 1993
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1 Eskstein H J, Waermebehandlug Von Stahl Auf. z-e, Leipzing, 1971: 92 2 Weast R C, Handbook of Chemistry and Physics, Cleveland, Ohio: Chemical Rubber Co., 1978: 65 3 Bowen A W, Metall Trans. 1970; 6: 1695 4 Kurokwa S, Met Sci, 1983; 17: 433 |
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