By introducing the distribution probability of structural units in austenite contain-ing alloying elements and considering its effects on phase transformation,this paper establishes a calculation model of distribution...By introducing the distribution probability of structural units in austenite contain-ing alloying elements and considering its effects on phase transformation,this paper establishes a calculation model of distribution probability of structural units.A new valence electron structure(VES)parameter-transformation effect coefficient of alloying elements(HL),is defined and then studied both theoretically and ex-perimentally.The relationship between the parameter HL and the multiplying factor(the quenching capability factor)of alloying elements is studied.The results indi-cate that the two parameters(HL and the quenching capability factor)have the same variation characteristic and substance feature.Therefore,the multiplying factor virtually expresses the relative quantity of structural units in the alloying elements-containing austenite.展开更多
基金Supported by the National Natural Science Foundation of China(Grant Nos.50271009,503334010)
文摘By introducing the distribution probability of structural units in austenite contain-ing alloying elements and considering its effects on phase transformation,this paper establishes a calculation model of distribution probability of structural units.A new valence electron structure(VES)parameter-transformation effect coefficient of alloying elements(HL),is defined and then studied both theoretically and ex-perimentally.The relationship between the parameter HL and the multiplying factor(the quenching capability factor)of alloying elements is studied.The results indi-cate that the two parameters(HL and the quenching capability factor)have the same variation characteristic and substance feature.Therefore,the multiplying factor virtually expresses the relative quantity of structural units in the alloying elements-containing austenite.