High Strength Steels S.J.T.U. Phase Transformation and Applications The industry (auto)will stay with steel but that it will be increasingly demanding with regard to the material's performance. >Decrease 10%of car results in the save of 8%10%gas*. >Percentage of high strength steels increase from14%~45%(100~294Kg/Car)to 30%~70%in near future.(ULSAB-AVC,2004) *Takehide SENUMA,Physical Metallurgy of Modern High Strength Steel Sheets,ISIJ International,2001,41,520-532 SJTU Thermodynamics of Materials Spring 2010 X.J.Jin Introduction 20/65Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2010 © X. J. Jin Introduction 20/65 High Strength Steels *: Takehide SENUMA, Physical Metallurgy of Modern High Strength Steel Sheets, ISIJ International, 2001, 41, 520-532 The industry (auto) will stay with steel but that it will be increasingly demanding with regard to the material's performance. Decrease 10％ of car results in the save of 8%～10% gas*. Percentage of high strength steels increase from14%~45%（100～294Kg/Car）to 30%~70% in near future. (ULSAB-AVC,2004)