简介：Sincethe21stcentury,greatattentionhasbeenpaidtoultrafastcooling（UFC）technologyinthewholeworld.Theindustriesandtheresearchinstitutionsbegantocarryoutinvestigationsonbasictheoriesandindustrialapplications.Since2003,theRALofNortheasternUniversityhasmadesomeprogressesonmicrostructurecontroltheories,understandingofstrengtheningmechanismsandtheirindustrialapplications.Inthispaper,theseachievementssincethelastBaosteelBACin2008willbereportedontheindustrializationofUFC,strengtheningmechanism,developmentofnewsteelgrades,andsoon.

简介：Vapordepositedcoatingsontostripsteelareapromisingalternativeasfunctionallayersforcorrosionprotectionorhighabrasionresistance.Conventionalcoatingsystemshavesomelimitsregardingenvironmentalcompatibility,therangeofcoatingmaterialsandapplicationproperties.Physicalvapordeposition(PVD)isanenvironment-friendlytechnologyandenablesnearlyunlimitedmaterialandprocessvariety.Electronbeamhigh-rateevaporationwithdepositionratesuptosomemicrometerspersecondisthemostproductivePVDtechnologyforlowcostcoating.Thecombinationofevaporationwithpowerfulplasmaisanefficientwaytoimprovethelayerproperties.Thedevelopedplasmasourcescanbeusedforspecialplasmaenhancedchemicalvapordeposition(PECVD)processestoo.Thepapergivesanoverviewaboutthelatestdevelopmentsinthesetechnologies.Furthermore,thepaperexplainssomeexamplesofnewlayerstacksontosteelstrips.Whileenhancedcorrosionprotectioncanbeobtainedbymagnesium,aluminiumorcoppercontainingcoatingsotherfunctionalsurfacepropertiescomemoreandmoreinthefocusofinterest.Forinstance,decorativegoldcoloredlayers,transparentscratchresistantlayers,hardcoatingsandphotocatalyticlayersweredepositedonrunningsteelstrips.Functionallayersandlayersystemsforenergysavingandsunenergyabsorptionbysolarthermaleffectsandphotovoltaicsareunderdevelopment.Thecoatingsarepreparedundertheconditionsofveryhighdepositionratesusingourin-linevacuumcoaterformetallicstripsandsheetswiththenameMAXI.Theinfluenceoftheprocessandplasmaparametersonthelayerpropertieswereinvestigatedandwillbedemonstratedforsomeapplications.

简介：Foritspoorfilmformingandwater-resistanceproperties,waterbomeepoxysystemisnotappliedfortheprotectionofsteel.Themainreasonfortheseproblemsisthattheemulsifieroftheemulsifyingefficiencyisnothighwhilecannotbeseparatedouteasily.Now,intermsoftheuseofnewlysynthesizedemulsifierstoimprovethesetwoshortcomings,anewsystemwasdeveloped.Comparedwithsolvent-basedcoatings,thisnewwaterbomeepoxysystem’scorrosionresistancewasfoundclosetothesolvent-basedones.Finally,theapplcationofthisnewwaterbomeepoxysystemfortheprotectionofsteelisdiscussedbriefly.

简介：Themainlycharacteristicoftrappingmaterialsisthetrapdepth.Soitissignificanttocalculatethetrapdepthforthetrappingmaterials.Anewmethodofcalculatingtrapdepth,whichisbasedonenergybandandusingrateequationstoanalyzethermoluminescence,wasbroughtforward.Thismethodwhichusestherateequationsoftheprocessandthethermoluminescencecurvecanreplacetraditionalmethodssuchasfirstorderorsecondorderkinetics.ThetrapdepthofSrAl2O4:Eu2+,Dy3+andSr4Al14O25:Eu2+,Dy3+wasestimatedfromtheglowcurve.Thenthenumevicalsolutionofthetrapdepthcanbeobtained.Fromtheresultsofexperimentsandcalculations,thismethodcanaccuratelyindicatethewholeprocess.

简介：Inrecentyears,despitetheglobaleconomicrecessionandsteeloversupply,thedemandforhighstrengthsteel(HSS)andadvancedhighstrengthsteel(AHSS)sheetshasrobustlyincreased.Tosupplythematerialsneededforautomotivemanufacturing,variousAHSSproductsandapplicationtechnologieshavebeendevelopedbyBaosteel,includingthelst,2nd,and3rdGen.AHSS,whichmakesBaosteeltheworld'sfirststeelmakertocommerciallyprovideallthreegenerationsofAHSS.Recently,thenewGen.(the2ndand3rdGen.combined)AHSSproducts,whichfeatureultra-highstrengthandenhancedductility,havedrawngreatattentionfrombothsteelmakersandtheautomotiveindustryastheseproductscanbeusedtoproduceautopartswithcomplicatedshapesbycoldformingandhavegreatpotentialformanufacturingcarbodiesthatarelighterinweightandhavehighercrashresistance.Inthisarticle,theconcepts,properties,andapplicationsofBaosteel'snewGen.AHSSproducts,includingquenchingandpartitioning(QP)steels,twinning-induced-plasticity(TWIP)steels,andMedium-Mn(Mn-TRIP)steels,aredescribedandreviewed.Moreover,theprogressoftheBaosteellight-weightsteelcarbody(BCB)wasreported.

简介：Inthispaper,therecentstateandproblemsofthesinkrollinCGLaredescribed.Severalmethodsofincreasingitsoperationallifespanareintroduced,suchassurfacecoatingtechnologyandsleevematerialtechnology.Fundamentallytheycannotsolvetheproblemsofsurfacequalitycausedbythecontactbetweenstripandroll.Onthisbasis,thenewlydevelopedprincipleandsolutionsforhotdipgalvanizingtechnologywithoutsinkrollarehighlyemphasized,theyareFloatTechnology,Electromagneticpumptechnology,Electromagneticenclosedslotbyhigh-frequencyAC,Electromagneticenclosedslotbyhigh-frequencyDC.Acomparisonamongtheirfunctionsandcharacteristicsismadeandthepossibilityofitsapplicationisalsodiscussed.Finallyitcomestoaconclusionthatelectromagneticenclosedslotrepresentsthedirectionofacontinuoushot-dipgalvanizingsteelstripinthethe21stcentury.Ithasaverybroadapplicationprospects.BaosteelTechnologyCenterisfocusedontheresearchanddevelopmentofthistechnology.Astechnologyadvances,industrialapplicationsispossible.

简介：Thecoolingandlubricationprocessisoneofthekeyprocessesincoldrolling,asitnotonlydeterminessurfacequalityandstripshape,butalsoreducestherollingpowerconsumptionandextendsthelifeoftherollevenduringhigh-speedoperation.Inthisstudy,aninnovativemethodcombiningemulsionlubricationandneatoillubricationwasusedtosolvesomeproblemsassociatedwithindividualpasses.Laboratorytestsonstainlesssteelstripsshowedthatthisnewlubricationmethodcouldimprovethesurfacequalityofthestrip,controltherollingfrictioninthedeformationzone,andhasthepotentialofmakinglubricationsystemssimplerandeasiertooperate,allwhilereducingthenegativeenvironmentalimpactfromemulsionprocessing.

简介：Thisstudysummarizessomeseriousdisharmoniousproblemsthatubiquitouslyexistinthecastingresiduerecyclingofsteelplants,suchaslargelandoccupation,lowoperationalefficiency,hiddenhazards,hugeresourceandenergyconsumption,seriousenvironmentalpollutionandsoon.Itanalyzesthenecessityoftheon-lineinnovationandrecyclingbasedonthepresentsituationofBaosteel.ItstatestheinnovationofthenewgridtechnologyandtheachievementsofitsintegratedapplicationatBaosteel.ItalsosummarizesandelaboratessomegreentechnologyfeaturesofthetreatmentandtheutilizationoftheBaosteelcastingresidueandthenewgridtechnology,suchassafety,energy-savingandenvironmentalprotection.Inaddition,itlaysouttheprospectsforthedevelopmentandapplicationofthetechnology.

简介：AnovelsolidsolutionCe6MoO15wasachieved.Theirstructureandoxideionicconductivitywerestudied.BasedonCe6MoO15,rareearthelementsubstitutiononceriumsiteshowsthatallresultingoxidesenhancetheconductivityfurther,andhavehighoxide-ionconductivity,whichmaybeakindofpromisingmaterialforSOFCs.

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简介：TheCOREXprocessisauniqueindustrializedsmeltingreductiontechnologyforiron-makingpresentlyintheworld.Oneofitsstrikingcharacteristicsisitsabilitytodirectlyutilizelumpcoalasitsmainfuel.Therefore,theCOREXprocessuseslittle,ornocokeatall.TherequirementsonlumpcoalfortheCOREXprocessweregiveninthispaper.Inordertoreducethecokeconsumptionandgiveplaytotheadvantagesofdirectlyusinglumpcoal,theappropriateratioofcoketolumpcoalneedstobedetermined.Thispaperalsosummerizedseveraladvancedmethodsofusingpowderedcoalgeneratedbythetransporting,loadingandunloadingoflumpcoal.InordertosolvethelackofcoaltypesforCOREXandobservethecrackinganddevolatilizationactionoflumpcoalinthemelter-gasifier,anexperimentaldeviceandanewmethodwereproposedtotestthecrackinganddevolatilizationcharacteristicsoflumpcoal.Bymeansofthenewmethod,thedevolatilizationandcrackingbehaviorsoflumpcoalcanbeinvestigated,whichishelpfultotheselectionoflumpcoalfortheCOREXprocess.

简介：一系列混血儿与色氨酸基于做Tb的Zn-Al分层的双氢氧化物(Tb-LDHs)结合了(此后作为尝试弄短)被软化学药品的方法综合。Tb-LDH/Try混血儿的作文，结构，和荧光被各种各样的描述分析。当Tb-LDH分别地与0.05，0.1，和0.25mol/L尝试答案反应了时，组合分析显示在混血儿在场的色氨酸的内容逐渐地增加了。XRD结果表明新思考出现在Tb-LDH/Try混血儿。Tb-LDH/Try混血儿的TGA曲线与Tb-LDH和尝试的不同。表明的红外系列混血儿的IR系列尝试和Tb-LDH是特征的。荧光灯系列建议绿排放由于5D47Tb3+的F5转变极大地减少了然而并非熄灭，并且归因试一试的排放显然增加了。同时荧光灯Tb-LDH/Try混血儿的系列在可见区域介绍了宽广连续乐队。

简介：NanosizedBaCeo.95Yo.o5O3-δpowderswiththehomogeneouscompositionweresynthesizedbyanewcombustionprocessbasedonthePechinimethod.Apolymericprecursorsolwasformedbyuseofcitricacidandethyleneglycolasthechelatingagentsofmetalions.Theperovskite-typeBaCeo.95Yo.o5O3-δpowderswithuniformshapeandsmallerthan40nminsizedwereobtainedthroughthecombustionofthepolymericprecursorsolattheexistenceofnitricacidandammoniumhydroxide.Itwasfoundtheparticlesizecouldbecontrolledbymodulatingthequantitiesofnitricacidandammoniumhydroxide,thequantitiesoftheresidue,carbonateionswerealsoaffectedbythequantitiesofthecitricacidandethyleneglycol.

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简介：Awhitelong-lastingphosphorCa2MgSi2O7:Dy3+waspreparedbythesolid-statereaction.Astrongbandpeakedat260nmwasshownintheexcitationspectrumof578nmemission,whichmightbeattributedtotheoxygendeficiencyofthehost.Afterirradiatedwith254nmfor4min,thewhiteafterglowofthesamplecouldbeseenfor3h.Moreover,thedepthsandfrequencyfactorsoftrapcenterswerecal-culatedfromthethermo-luminescencecurveofthesample,whichindicatedthatthetrapcenterscorrespondingtothe414Kbandweremorehelpfultothelong-lastingphosphorescence.