简介：FormerlyNo.713Factory,HuaxingMetallur-gical&ChemicalCo.underChinaNuclearIndustryGeneralCorporationwasestablishedin1958andputintooperationin1962.ThecorporationislocatedinShangrao,JiangxiProvinceandwasoriginallydesignedtoproducerawmaterialsformillitaryuse.Inkeepingupwiththepaceofthedevelopmentofthenationaleconomy,

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简介：Withacomplicatedcomposition,largeproductionandseriousdamagetotheenvironment,stainlesssteelcold-rollingsludgehasbeenafocalpointconcerningenvironmentalprotectionforstainlesssteelenterprises.Uptonow,neitherathomenorabroadhaveanytechnologiescomeintobeingthatarenotonlyproper,safeandeconomicalbutalsosuitableforbulkutilizationofstainlesssteelcold-rollingsludge.Basedonthecharacteristicsofthestainlesssteelcold-rollingsludge,orthogonalexperimentswerecarriedoutonpelletproportioningandhigh-temperatureroasting,andmajormetallurgicalpropertiesofsludgepelletswerealsotested.Astheresultsshow,pelletswith30%additionofcold-rollingsludgearequalifiedregardingtheircompressivestrength,chemicalcompositionandmajormetallurgicalproperties.Noadverseimpacthappenstotheblastfurnaceoperationwhensludgepelletsaccountfor10%oftheblastfurnacerawmaterials.Therefore,thetechnicalrouteappliedinthispaperisprovedsimple,feasibleandenvironmentallyfriendlyforcold-rollingsludgetreatment.

简介：Thisstudyprovidesanoverviewoftheproductionandclassificationofmetallurgicalslaganditsimpactonenergy-savingandemissionreductioninthemetallurgicalindustryandananalysisoftheimpactofkeyfactorsonslagprocessingtechnology,includingabriefaccountofblastfurnace(BF)slagprocessingandapplicationswithafocusonthesteelslagdisposalprocessesandthefeaturesofsometypicalprocesses.Inviewofthecharacteristicsofthebasicoxygenfurnace(BOF)slagandthetechnicaldifficultiesfacedbythetraditionalprocesses,itdescribestheprinciple,featuresandtechnicaladvantagesoftheBaosteelshort-flow(BSSF)steelslagtreatmentprocessdevelopedbyBaosteel.Thethinkingandoutlookonthedirectionofthedevelopmentofthemetallurgicalslagprocessingprocessarestated.

简介：美国铁合金厂商GlobeMetallurgical准备关闭其阿拉巴马州Selma硅厂，这是因为原材料成本特别是能源成本的飙升造成的。

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简介：Metallurgicalmodelingofsynergisticmicrocrackself-repairmenduringweldingsinglecrystalandpolycrystallinesuperalloysofhigh-temperatureaerospacematerialshasbeenproperlyestablished.Theideaofimprovementofnickel-basedsuperalloysweldabilitythroughnon-equilibriumsolidificationbehaviorofbackfilltoself-repairarterialcracknetworkisusefullyproposed.Crystallographiccontrolstrategyofcrackself-repairmenoffusionzoneinterdendriticsolidificationcrackingandheat-affectedzone(HAZ)intergranularliquationcrackingistechnicallyachievable,indicatingthatoptimalniobiumalloyingbeneficiallyrefinesweldmicrostructure,stabilizestheprimarysolidificationpath,increasesthesolidificationtemperatureandconcomitantlydecreasestheweldpoolgeometry.High-carbongrainboundaryismorethermalstableandlesscontributestoincipientintergranularliquidfilmthanthatoflow-carbongrainboundary.Thetheoreticalpredictionsofcrackingsusceptibilityareindirectlyverifiedinarathersatisfactorymanner.Additionally,themetallurgicalmodelingenhancespredicativecapabilitiesandtherebyisreadilyapplicableforotheralloysystems.