新型高强韧钢成分设计的经验公式

:2000208228:(982A28201202):(1944-),,,;(1932-),,,,20016223()JournalofNortheasternUniversity(NaturalScience)Jun.2001Vol122,No.3:100523026(2001)0320351203,,,(,110004):,17S,12,S,5,,516%:;;;;:TG11111:A(EET)[1],EETEET[2,3],,[4],,Sb,1SEET[5],S,S=BnAF(1),B,b,F(),f,nA,,,S2,,(2Fe2C2M)(2Fe2M)[6],,0127%(),,11Tab.1PercentageofcellscontainingcarbonatomsforvariouselementsSiNiFeMnCrMoNbVTi000.050.100.100.150.200.200.25BFnA[7],2(2),3SM=S2Fe2C2MX+S2Fe2M(1-X)(2)'1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=XSiSSiASi%+XMnSMnAMn%++XMSMAM%(3),AM%M,SSM=SMAM,,(3)b=XSiSSSi+XMnSSMn++XMSSM(4)SiMn9,1712(4),12,SSX=,SS=4.060.965.962.360.093137.660003.540.916.013.110.089137.990003.891.006.383.050.097136.890003.811.046.062.380.097137.870003.193.562.872.840.013139.130.753003.481.821.386.360.008138.791.1600.0030.0203.961.943.202.390.017139.250.0141.7200.0483.373.302.093.5350.013138.781.1600.3610.5152.341.351.336.6330.085140.650.9320.00950.4303.700.935.832.320.085137.900.698003.601.851.476.560.669139.300.002004.140.896.272.60136.140.84500X=XSiXMnXNiXCrXNbXFeXMoXTiXVT=170116731664166817471883171716101916178318461820T:XSi=-50.8387XMn=-101.6252XNi=-68.1854XCr=-28.2884XSi=229.4711XFe=17.7795XMo=58.4038XTi=-97.3062XV=-267.4782,b=-50.8387SSiASi%-101.6252SMnAMn%-68.1854SNiANi%-28.2884SCrACr%+229.4711SNbANb%+17.7795SFeAFe%+58.4038SMoAMo%-97.3062STiATi%-267.4782SVAV%(5)5(5),4,516%4Tab.4ExaminedresultsNo.b()b()/%117931766.12771.50217771729.23082.69317601725.40481.97418401736.90225.60518001717.96304.56253()22©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,(2),12,5,-73,(3),,(4),,5(1)(2),,516%,:[1][J],1978,23(4):217-234(YuRH.Theempiricalelectrontheoryofsolidsandmolecules[J].ChineseScienceBulletin,1978,23(4):217-234.)[2],Ti3Al[J],1985,(1):62-69(XingSD,YuRH.Thevalence2electronstructuresandthemechanicalpropertiesofanintermetalliccompoundTi3Al[J].ActaScientiarumNaturaliumUniversitatisJilinensis,1985,(1):62-69.)[3],,TiN[J],1992,37(7):657(ZhengWT,ChaiWP,HuGA.Studyonthevalence2electronstructuresandthemechanicalpropertiesofTiN[J].ChinesScienceBulletin,1992,37(7):657-661.)[4]()[M]:,1987.65(LiuYQ.Heattreatmentofsteel(revisededition)[M].Beijing:MetallurgicalIndustryPress,1987.65.)[5],,,[J](A),1995,25(9):899-994(LiuZL,LiZL,SunZG,etal.Thevalence2electronstructuresandthecriterionongraphitizingbehaviourofelementsinthecastiron[J].ScienceinChina(A),1995,25(9):899-994.)[6],Fe2C[J],1984,20(4):279-285(ZhangRL,YuRH.AnanalysisofvalenceelectronstructureofFe2Cmartensite[J].ActaMetallurgicaSinica,1984,20(4):279-285.)[7][M]:,1993.239,278(ZhangRL.Theempiricalelectrontheoryofsolidsandmolecules[M].Changchun:ScienceandTechnologyPublishingHouseofJilin,1993.239,278.)EmpiricalEquationonAlloyDesignofaHighStrength2ToughnessSteelQIANCun2fu,ZHANGGuo2ying,CHENFang2fang,ZENGMei2guang(SchoolofSciences,NortheasternUniversity,Shenyang110004,China)Abstract:ThestructureformationfactorSof17highstrength2toughnesssteelswerecalculatedonthebasisoftheempiricalelectrictheoryofsolidsandmolecules.Theempiricalequationontherelationshipbetwewnthestructureformationfactorandtensilestrengthwasdevelopedbasedon12experimentaldata.Theequationwasverifiedbytheother5experimentaldataandthecalculatedmaximumerrorbytheequationfromtheexperimentalresultsisonly516%.Keywords:highstrength2toughnesssteel;alloydesign;valenceelectronstructure;structureformationfactor;tensilestrength(ReceivedAugust28,2000)3533:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.