简介：ThedifficultiesinsinteringofdolomiteriseformthelowmutualdiffusibilitesofCa^2+inMgOandMg^2+inCaO,andfromuniqueporeandagglomeratestructuresformedaftercalcinationofdolomite.Thesemicrostructuresindecompsoeddolomiteplayagreatroleininhibitionofdensificationduringsintering.Themeasures,whichcandestroythesestuctures,suchashydrationorisostaticpressingaftercalcinationofdolomite,resultinincreasingthesintereddensityandreductingthesinteringtemperature,AdditionofomeoxidesuchasFe2O3,aterthesinteringmechanismfromsolidstatesinteringtoliquidphasesintering,therefore,densedolomiteodycanbeobtainedatrelativelylowsinteringtemperature,Com-minutionofdolomitebeforeitscalcinationcanlowerthesinteringtemperatureandenhancethesinterdensityduetoincreasingboththequantityandhomogeneityofFe2O3indolomite.

简介：Yttriastabilizedzirconia(YSZ)haswidelybeenusedaselectrolyteinsolidoxidefuelcell(SOFC).ThemicrostructureofYSZrelatedtothefabricationprocesswasdiscussedinthepaper.WithYSZnano-powdersabout40-100nmasrawmaterial,theYSZadobewasmanufacturedbytapecalenderingprocess.Thenamedthree-stepsinteringprocesswasperformedat1000℃for2h,thenraisedthetemperaturewithnormalrateandassoonasupto1400℃,thefurnacewascontrolledat1250-1300℃for10-20h.ThehighdenseYSZswiththerelativedensityof96%-99%wereobtained;thegrainsizeofYSZcouldbereducedto0.5-3μm.Theaboveresultisbenefitedtoco-firedintheelectrode-supportedSOFCs.

简介：ZrO2-WCcomposites展览可比较的机械性质部分为一些应用作为传统的WC公司材料，它提供一个机会给代替WC公司。在这研究，2mol.%Y2O3与40vol.%WC稳定了ZrO2composites在1150獮愠潭杮映汩?潣灭湯湥獴琠牨畯桧挠慨杲?牴湡晳牥洠'炭鷽?被巩固湩??映汩?瑡琠敨洠汯'虥N牡氠癥汥.獥吗？？

简介：Sinteringpottestswithhotairwereconducted.Airwasheatedbyusingaresistancefurnacetosimulateheatrecoveryfromexhaustgasfromthesinteringplant.Theeffectsoftheprocessparameters,suchastemperatureofhotair,oxygenenrichment,cokeconsumptionandbeddepth,onqualityofproducts,energyconsumptionanddioxinemissionwereinvestigated.Goodresultswereobtainedunderthefollowingconditions:2001hotair,nooxygenenrichment,limewithhighCaO,thinnerbedandadditionofaccelerant.

简介：ThechromiumoxidematerialswerepreparedusingCr2O3micropowderasmainstartingmaterial,TiO2micropowderassinteringaid,polyvinylalcoholasbinder,byaseriesofprocessessuchasslurrying,sprayinggranulation,machinemouldingandcoldisostaticpressing,andfiringat1500℃for3hinair(oxygenpartialpressurewas2.1×104Pa),industrialnitrogen(oxygenpartialpressurewas1×103Pa),purenitrogen(oxygenpartialpressurewas10Pa),highpuritynitrogen(oxygenpartialpressurewas0.1Pa),andcarboncakeembeddedatmosphere(oxygenpartialpressurewas2.3×10-12Pa).EffectsofoxygenpartialpressuresonthesinteringbehaviorofCr2O3materialswereinvestigated.Theresultsshowthat(1)for3wt%TiO2-dopedspecimens,thereisasubstantialdependenceofsinteringonoxygenpartialpressure(0.1Pa-2.1×104Pa),andthebulkdensityincreasesandapparentporositydecreaseswithoxygenpartialpressuredecreasing;(2)eveniftheoxygenpartialpressureis0.1Pa,thespecimenwithoutTiO2cannotreachdensificationsintering;(3)underverylowoxygenpartialpressureofcarbonembeddedatmosphere,Cr2O3materialscontainingTiO2ornotcanattaindensification.

简介：AfterexpandingthecapacitybywideningthetrolleyoftheNo.3sinteringmachine,severeunevensinteringoccurredinthetrolley’slateraldistribution,whichaffectedtheoutputandqualityofsinter.Inthisstudy,thequantitativeevaluationindicesoftheburdenuniformdistributioninthewidthdirectionofthesinteringmachineisintroducedforthefirsttime.Bymeasuringthetemperatureofdischargedgas,aplanetemperaturefieldisconstructed.Throughanalyzingthetemperaturefieldandtheburdenlayer’sdifferentialthermalequilibrium,amathematicalmodelforevaluatingtheindices,whichisanonlinereflectionofthedegreeofuniformdistribution,isbuilt.Followingtheimprovementsinburdendistributionequipment,theoptimizationoftheignitionsystemandthedynamicadjustmentoftheprocess,theproblemofunevensinteringinlateraldistributionhasbeensolved,andthequalityandtheyieldofsinterhavebeenimproved.

简介：Yttriumaluminumgarnet(YAG)transparentceramicswerefabricatedbysinteringatoxygenatmosphere.Tetraethylorthosilicate(TEOS)wasaddedasthesinteringadditivetocontrolthegraingrowthanddensification.Poreswereeliminatedclearlyattemperaturelowerthan1700oC,whilegrainsizewasaround3μm.Thein-linetransmittancewas80%at1064nmwhensamplesweresinteredat1710oC.TheeffectofTEOSwasstudiedinoxygenatmospheresinteringforNd:YAGtransparentceramics.Athighertemperaturelike1710oC,thegraingrowthmechanismwassolutedrag,whileat1630and1550oCthegraingrowthwascontrolledbyliquidphasesinteringmechanism.And0.5wt.%TEOSwasthebestaddingcontentforNd:YAGsinteredinoxygenatmosphere.

简介：Sinteredmagnesiaclinker(alsocalledsinteredMgO)waspreparedwithMg(OH)2(preparedbylightcalcininghydrationofmagnesite)andmagnesiteasstartingmaterials,respectively,bythetechnicalprocess:lightcalcining(850℃1h)→grinding→molding→firing(1600℃3h).ThemorphologyandstructureoflightcalcinedMgOpowderspreparedwithmagnesiteorMg(OH)2wereanalyzedbyXRD,SEMandFT-IR.ThesinterabilityandmicrostructureofsinteredmagnesiapreparedwithmagnesiteorMg(OH)2wereresearched.Theresultsshowedthat:(1)lightcalcinedMgOpowderspreparedwithmagnesiteorMg(OH)2werebothface-centeredcubicstructure.ThelightcalcinedMgOpreparedwithmagnesitehadtheresidualoffunctionalgroupCO32-,andthatpreparedwithMg(OH)2didn'thaveCO32-,andwaseasytobreak,whichreducedthegrindingtime.(2)BecauseofthehighactivityofthelightcalcinedMgOpreparedwithMg(OH)2andthecatalysisofthewaterresidualinthedecomposingprocessofMg(OH)2,theapparentporosityofsinteredmagnesiadecreasedto0.6%from2.0%ofbeforehydration,closedporositydecreasedto2.8%from6.1%,andbulkdensityincreasedto3.46g·cm-3from3.29g·cm-3.

简介：Thelimestone-gypsumfluegasdesulfurization(FGD)processhasbecomethemostwidespreadprocessintheworldforsulfurremoval.Theswirl-et-absorbingwetlimestone-gypsumsinteringFGDtechnologywasdevelopedforsinteringfluegasdesulfurization,andthisprocessproducesvolumesofwastewaterwithvariouscontaminantsthatrequirestreatmentbeforedisposalorreuse.Inthisstudy,thewastewaterqualityfromthreedifferentsinteringFGDsystemsatBaosteelGroupwasinvestigatedandcomparedwithwastewaterfrompowerplantFGD.AtreatmentprocesswasproposedwhichissuitableforsinteringFGDwastewater.Aftertreatmentwithaneutralization,coagulationandsedimentationprocess,heavymetalsinthesinteringFGDwastewaterwerereducedtoalevelmeetingtherelevantemissionstandards,butthepHandammoniaconcentrationweretoohigh,andafurthertreatmentprocesswasneeded.DuetocertainsimilaritiesandcomplementaritiesbetweensinteringFGDwastewaterandcokingwastewater,itisentirelyfeasibletomixthepretreatedsinteringFGDwastewaterintoabiologicalcokingwastewatertreatmentsystem.ThisstudyindicatesthatitisentirelyfeasibletomixpretreatedsinteringFGDwastewaterintothebiologicaltreatmentsystemsusedforcokingwastewaterfromtheironandsteelindustries.

简介：SinteringadditivestogelcastingSialon-SiCweredecidedbytheoptimizingexperiments.TheresultsshowthatSoalon-SiCcanbesinteredunder1450℃andsinteringtemperaturedecreasesby100℃,when2%～3%TiO2orGuangxiclayisusedassinteringadditive.

简介：为尺寸依赖者的一个模型极其细小的粒子的起始的sintering温度被建立。为W，Ni和Ag的尺寸依赖者sintering温度的理论预言极其细小的粒子与可得到的试验性的证据一致。(编辑作者摘要)18个裁判员。

简介：TheresearchbackgroundandtechnicalfeaturesofBaosteelsinteringfluegasdesulphurization(FGD)—swirl-jet-absorbingwetlimestone-gypsumsinteringFGDtechnology,processandequipmentareintroducedinthispaper.MaincontentsandachievementsofthepilotexperimentandtheengineeringpracticeofBaosteelFGDareanalyzedanddiscussedsystematically.PastengineeringpracticeexperiencesindicatethatBaosteelFGDhasthefollowingmerits:wideapplicabilitytosinteringfluegasfeatures,suchasfrequentlychangingtemperatures,unstableSO2concentration,intensivelyfluctuatingflowrates,etc.,highpollutantsremovalefficiency,lowinvestmentandenergyconsumption;stableandreliableoperation,utilizablebyproduct(gypsum),etc.ItindicatesthatBaosteelsinteringFGDisofextensiveapplicationvaluefortheFGDoflargeandmedium-scaledsinteringmachines.

简介：MechanicallyactivatedW-Cupowdersweresinteredbyasparkplasmasinteringsystem(SPS)inordertodevelopanewprocessandimprovethepropertiesofthealloy.Propertiessuchasdensityandhardnessweremeasured.ThemicrostructuresofthesinteredW-CualloysampleswereobservedbySEM(scanningelectronmicroscope).Theresultsshowthatsparkplasmasinteringcanobviouslylowerthesinteringtemperatureandincreasethedensityofthealloy.Thisprocesscanalsoimprovethehardnessofthealloy.SPSisaneffectivemethodtoobtainW-Cupowderswithhighdensityandsuperiorphysicalproperties.

简介：TheBaCe0.9Y0.1O3-δ(BCY)perovskitemembranewassuccessfullysynthesizedbyliquidcitratemethod.ThephasestructureofthepowderwascharacterizedbyX-raydiffraction(XRD).Scanningelectronmicroscopy(SEM)wasusedtocharacterizemicrostructuresofthemembranesinteredundervariousconditions.Sinteringtemperaturesanddwelltimeduringsinteringinfluencethefinalmicrostructureoftheceramic.Resultsshowedthatincreasingsinteringtemperatureresultedinadensemembranewithcleargrains.Anincreaseofdwelltimewasfavorabletoproducemembraneswithlargergrainsinthesinteredceramics.Adensityof5.87g/cm3wasreachedforthemembraneaftersinteringat1200℃withdwelltimeof10h.Thisresultedintheformationofdensemembraneswithclearstructureandaveragegrainsizeof0.27mm.TheinfluenceofmicrostructureonthehydrogenpermeationfluxthroughBCYwasobservedbymeasuringthehydrogenpermeationflux,andtheresultsshowedthathydrogenpermeationfluxincreaseswithincreasingtheaveragegrainsizeofthemembrane.FromH2permeationrates,itwasfoundthatbulkdiffusionratherthansurfacereactionplayedthedominantroleinH2transport.

简介：Becauseofthelowtemperature,largewastegasvolume,highpollutantcontent,andcomplicatedcompositions,wasteheatrecoveryandemissiongastreatmentofsinteringfluegashavealwayspresentedachallengeinthesteelindustry,andthisissuehasattractedwidespreadattentionbothlocallyandabroad.Recently,basedonthefirstdomesticpilotplantanddemonstrationproject,Baosteelhasperformedaseriesofinnovativeresearchanddevelopmentinvestigationsonitssinteringfluegasrecirculating(SFGR)process,inwhichthesystemdesignandoptimization,dioxin-relatedcontaminantsourcesuppression,orematchingstructureoptimization,wear-resistantdesignofcyclingfansandpipelines,high-efficiencydustremovalequipment,systemcontrolandstableoperationstrategy,fluegasmixingandswitchingcontrol,circularhoodsealing,oxygencontentconditioning,recirculationsinteringsystemprocesscontrol,andmodeldevelopmenthavebeenstudied,andacompletesetofequipmentandtechnologyfortheSFGRprocesshasbeeninitiallydeveloped.TheinvestigationresultssuggestthattheSFGRprocesscannotonlysignificantlyreduceexhaustgasvolumeandpollutantemissionsbutalsorecoverlow-temperaturewasteheatandreducetheenergyconsumptionofsintering;therefore,theoveralltechnologiespossessgreatvalueinenergysavings,pollutionemissionreduction,andsinteringorequality/yieldimprovement.

简介：

简介：Thecharacteristicsofthedesulphurizedgypsumproducedinthefluegasdesulphurization(FGD)processoftheBaosteelsinteringplantareinvestigatedinthisstudy.Accordingtothetechnicalandqualityrequirementsofgypsuminthecementindustry,thefeasibilityofusingdesulphurizedgypsumasacementretarderisalsostudied.Theresultsshowthatdesulphurizedgypsumcanbeusedasacementretarderinsteadofnaturalgypsum.

简介：Theprinciplesandfeaturesofmicrowavesintering,theapplicationinrefractoriesandsynthesismethodsofZrB2arereviewed.ThesynthesisresultsofZrB2bythermitdeoxidatemethodshowthatproductionpriceofZrB2canbeeffectivelyloweredthroughmicrowavesynthesis.ItwillexpandtheapplicationofZrB2inrefractories.

简介：Closed-celltypebarrierribssuchasmeander,honeycomb,SDR,andwaffletypeswereproducedusingcapillarymoldingprocess.SinteringoftheribsrevealedthattheribswithasymmetricgeometrysuchasmeanderandSDRtypebecamedistortedseverelybythesinteringprocess,buttheribswithsymmetricgeometrysuchashoneycombandwaffletypemaintainedtheirgreenstatemorphology.Aftersintering,theribswerecoatedwithgreenphosphorusingosmosiscoatingprocessanditsluminancecharacteristicswereevaluated.Theresultsindicatedthattheluminanceanditsefficiencyisimprovedbyusingclosed-celltyperibswiththenewphosphorformingtechnology.

简介：EffectofthecontentofLa2O3,CeO2andSiO2onthesinteringbehaviorandmicrostruc-tureofAZS-40materialhasbeenstudiedbymeansofsinteringtestandSEMexamination,TheresultsshowthattheporosityoftheAZS-40clinkerwithadditionof0.5%La2O3orCeO2couldreach2%undertheonditionof1600℃for4hours.Butitisnotbeneficialtothesinteringandmicrostructureoftheclinkerswhentheadditionoftherareearthoxidesincreasestomorethan0.5%,AZS-40materialsbecomedifficulttobesinteredastheadditionofSiO2inthematerialsincereases.