反应堆压力容器辐照监督的研究

上海交通大学硕士学位论文反应堆压力容器辐照监督的研究姓名：肖冰山申请学位级别：硕士专业：核能与核技术工程指导教师：张乐福;丁有元20080101IV4060654060AbstractVARESEARCHONREACTORPRESSUREVESSELRADIATIONEMBRITTLEMENTSURVEILLANCEAbstractExtendingthedesignedlifeofthereactorfrom40yearsto60yearsisthekeyfactortoimprovethecompetitionofthenuclearpowerplant.Thewritersummarizedthemechanismandaspectwhichinfluencingthefastneutronradiationembrittlementtrendofferritematerialofreactorpressurevessel.Thissummaryhasgivenatheorybasefortheoptimizationofreactorpressurevesseldesign,manufactureandoperation,soastoreducetheembrittlementdamageandgetalongerservicelifereasonably.Thisthesisstatesthestructuralcharacteristics,technicalspecificationofthematerial,designcodesandmainparametersofthereactorpressurevesselaswellasthedesign,carryout,dataprocess,dataapplicationaboutthereactorpressurevesselfastneutronradiationembrittlementsurveillanceprogramonthebasisofQinshanSecondNuclearpowerplant650MWeUnit.Thispaperspecifiedtheobject,thetechniqueandapplicablecodeonsurveillanceprogram.ItcometoaconclusionthattheembrritlementdamageeffectofthereactorpressureofQinshanSecondNuclearPowerPlantmeetthedesignlimit,andatleastitisinthesamelevelcomparedwiththesimilaryplantofFrance.ThisconclusioncomesfromthecomprehensiveanalysisofthetestresultofSharpy-Vimpacttest,tensiontestetcofthesurveillancecapsuleofAandCofUnit1.TheleadfactorofQinshanSecondNuclearPowerPlantisbiggerthantheothers.Therootcauseofthebiggerleadfactorwasanalyzeddeeplyandtheimpactofbiggerleadfactor,possiblecounter-measureswasdiscussedtoo.TheservicelifeofthereactorpressurevesselofQinshanSecondNuclearPowerPlantcouldbeextendedfrom40yearsto60yearswasprovedbytheresultoffastneutronradiationembrittlementsueveillanceresult,designparametersandoperationparameters.Reactorpressurevessel;Radiationembrittlement;Surveillance;impacttest;lifeextensionVIIAEA:InternationalAtomicEnergyAgencyRPV:reactorpressurevesselNRC:NuclearRegulatoryCommssionART:adjustedreferencetemperatureNDT:nil-ductilitytransitiontemperatureRTNDT:referencetemperatureUSE:upper-shelfenergylevelf:neutronfluencerateΦ:neutronfluencePWR:pressurizedwaterreactorMCNPMonteCarloN-ParticleTransportCode11.1RPV1234RPVRPVRPVRPVRPVRPVRPVRPV[1]1.2:RCC-M[2]RSE-M[3]ASMENB-2300G[4]-[6]10CFR50ASTME185-02[7]NRCRG1.99[8]10CFR50A2(1)(2):(3):(4):12(5):I(1)(2)(3)3(4)(5)[9]RPV10CFR50GRPVRPVBeltlineregionCv102J;68J68JART9RPVRPVASTME185-0210CFR50HRG1.99EJ/T560-2002RPV:RPVRPV1.3IAEARPV412INCONELRPVRPVRPV[10]12CuPNiS345[11]RTNDTMasterCurve[12]-[16]1.4RPV16MnD5SA508CL3[17]90SA508CL3SA508CL3RPV[18]RPVRPVASMEASTM5RPV30RPVRPV1.560RPVRPV[19]62782.1RPV²²RPV2.2RPVFrenkel9Sink2.3RPV(1)1(2)(3)V[20][LFZHANG1]CvT41J(=NDT)CvUSE41JNDTNDTASMERTNDTNDTTNDTNDTTNDT33CV68J0.9mmTNDTRTNDTRTNDT68JNDTFTERTNDT+33RTNDTRTNDT10RTNDTARTadjustedreferencetemperatureRTNDTRTNDTMMRTRTARTNDTNDT+Δ+=2.1M222ΔΙ+=ssMIRTNDTRTNDTI0RTNDT9.415.60.5RTNDT2.4RPVRPVRPV2.4.131019n.cm-2Frankel1022n/cm2(E1MeV)RTNDTRPV112.4.2(neutronfluxenergyspectrum)2.4.360120310(Dynamicin-situannealing)2.4.4[21]2.4.5RPV12[22]USNRCR.G.1.99(Revision2)RPV[23]CuPNi/NiRPV2.4.6LD2.4.7133.13.21411:b:552670MPa0.2400MPa20%45%b:510MPa3500.2300MPaMax.-20RTNDT()Max.-12Min.80JMin.60J0Min.75JMin.56JMin.80JMin.60J20Min.75J.Min.56JCharpy-V-20Min.56J()Min.40JMin.150JEOL68JUSEMin.104JARTEOLART93ART673.33.3.1260PWR1RPV2RPVRPVHAF0201HAF02011930MW48580m3/h15.5MPa160.9W/cm12115264RPV4017.2MPa343ART603840mmRPV100mm50mm50[24]3.3.3RPVRPV1DOT3.5[25]RZ112DOT3.5R?R?XYMESER?04522016leadfactor(fneutronfluencerate12..--scmn21.1861010n/cm2s16.519.51.0621011n/cm2s8.8191010n/cm2s8.9547.436[26]2in/cm2s/016.51.06210118.95419.58.81910107.43621.547.30410106.15923.56.63210105.59201.18610103R3044Φneutronfluence2.-cmnf(t)12..--scmnTsdttT)(0∫=Φf3.117f(t)12..--scmnTszTKLYtdt•••×≈=Φ∫ff701015.3)()(3.2:TYLKz4080%3.2RPV1.1971019n/cm251019n/cm2[26]3.4SA508Mgrade3class13-6RTNDT-25-303CSPSiMnNiCrMoCuSn0.180.0010.0040.211.410.720.060.490.010.0020.080.0030.0080.31.120.710.030.440.020.002AlVSbAsBCoONH0.020.0010.0010.0022ppm0.0080.000968ppm1.4ppm0.010.010.0020.0020.00030.010.0270.007NA18Fig1Axiledistributionoffastneutronfluxofinner-surfaceofRPV19Fig2CircumferentialdistributionoffastneutronfluxofinnersurfaceofRPV°20Fig3.neutrondistributioncurveofradialdirectioninRPV4b(MPa)0.2(MPa)()()58443327733005473942070585456277530055641124715-20134J0181J+20222J184J220J120J-20137J0135J+20210J236J220J104Jn/cm2.s216T41JT56JT68JT0.89mmFATT50USEJ-49-43-40-43-29262-53-47-43-45-27274-41-34-29-31-37241-106-99-95-91-792983.53.5.1RPVRTNDTRPV4060RPV68JART93.5.2RTNDTASTMASTME185-02,ASTME-185-61ASTME-185-8222RPV1NRC10CFR50GH2ASMENB-2300G3ASME4NRC1.99Revision25ASTMRPVRCCMZG3430RSEMB60003.63.6.14-661RPV4564ACDE2RPV23onfigurationofradiationsurveillancecapsulesFig5Detaildesignofcapsule172V212312CT4153Fe63Ni73Cu83Nb93CoAl101U238111NP2371232931333041433101533182243.6.2HAZ779866612V36181872CT6612A,B,C,D,E,F()1126612V48242496CT1212241121588882425Fig6Samplingpositionofsurveillancespecimens3.6.3263.6.4ASTME185-0210FCR50AppendixH89279EFPYA2251.5E453C2155G357B22010D21014H3021F40AECG1.341.261.561.