?????????????·914.5.3SEManalysisonimpactfracture.??.....?.?????..?..??????.??·924.6SEMandEBSDanalysisonupsettingblankandrolledring?????.???...944.6.1Microstructureanalysis??????????????????????????·944.6.2Grainorientationanalysis????????????????????????·1004.6.3Grainmisorientationanalysis??????????????????????.1034.6.4Grainsizefrequencydistributionanalysis??????????1054.6.5ODFanalysis??????????????..???.?..????...?..???..?1074.6.6Polefigureanalysis??..?..???.?...??....?..???.?..????????1104.6.7Comparisonbetweensimulationresultsandexperimentalones???1144.7Summary???????????????????????????????????..114Chapter5Numericalmodelingonconicalringrollingprocess??..?..???·.??··1155.1In仃oduction??????????????????????????????????115Mathematicalmodelingofconicalringrollingprocess?????????····?116IV万方数据