Background Building S.J.T.U. Phase Transformation and Applications 2008 Beijing Olympic Games:National Stadium SJTU Thermodynamics of Materials Spring 2010 X.J.Jin Introduction 16/65
Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2010 © X. J. Jin Introduction 16/65 Background / Building 2008 Beijing Olympic Games : National Stadium
Background Railway S.J.T.U. Phase Transformation and Applications 北京 京沪高速铁路 河 正线全长 约1318公里 天津 设计时速 350公里 初潮运囊时速 300公里 共设置 21个客运车站 全程运行时网 5小时 济南 年单方向输送旅客8000余万人 山 东 建设京沪高铁70%以上的技术将依 靠自主创新 江 苏 南京 无锡 泉单高意铁药箱线示金图 苏州 中国攀技花 SJTU Thermodynamics of Materials WWW.PTH.GOU.CN Sping 2010A.J.mtoducuion 17765
Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2010 © X. J. Jin Introduction 17/65 Background / Railway
Background Bridges S.J.T.U. Phase Transformation and Applications Akashi kaikyo Bridge,the Nanpu Bridge, world longest suspension Shanghai bridge with a center span of 1991m Japermodynamics of Materials Spring 2010 X.J.Jin Introduction 18/65
Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2010 © X. J. Jin Introduction 18/65 Background / Bridges Nanpu Bridge, Shanghai Akashi kaikyo Bridge , the world longest suspension bridge with a center span of 1,991m, Japan
High strength steels S.J.T.U. Phase Transformation and Applications The weight fraction of 50- steel and iron in an average family car has 40 TRIP steels decreased from 74% in 1978 to 67%in 1997.Yet over the 30- DP steels same time period,that Martensitic of high-strength steels 20- steels has risen from 4%to Conventional 9% steels 10- 300 500700 900110013001500 Tensile strength(MPa) M.Militger,Science,2002,298:975 SJTU Thermodynamics of Materials Spring 2010 X.J.Jin Introduction 19/65
Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2010 © X. J. Jin Introduction 19/65 M. Militger, Science, 2002, 298: 975. The weight fraction of steel and iron in an average family car has decreased from 74% in 1978 to 67% in 1997. Yet over the same time period, that of high-strength steels has risen from 4% to 9% High strength steels
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 20/65
Phase 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)