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Several applications of MgO in ceramics
Magnesiumoxideceramicshavegoodconductivity,mechanicalstrengthandhightemperatureresistance,whichcanbeusedinthickfilmintegratedcircuits,glassceramics,microwavemediaandotherindustries. ConcentratedapplicationofMgOinceramics: 1.HighpurityMgOandaluminacanbeusedtopreparefusedceramicparticles,whichcanbewidelyusedinthefieldofabrasivetools.Itcanbeusedassinteringassistanttogetherwithrareearthoxidetopreparesiliconnitrideceramics,whichcanefficientlyandeconomicallymanufacturevariousproductswithcomplexshapes,suchascuttingtools,sealingrings,bearings,nozzlesandvarioushightemperature,wear-resistantandcorrosion-resistantproducts. 2.PreparationofMgOceramiccore TheusetemperatureofMgOceramiccoreisnotlowerthan1600℃,itdoesnotreactwithcastingmetalathightemperature,andthesurfaceofthecastingissmooth,whichmakesupforthedefectssuchasalargenumberofporesandsandstickingintheinnerholeofthecastingwhensilicon-basedcoreisusedtocastsuchmaterials;Ithastheadvantagesofgoodsolubility,goodsolubilityinweakacid,shorttimeofcoreremoval,simplecoreremovalequipment,pollution-freecoreremovalprocess,safetyandreliability,reducingthecostofprecisioncasting,nohotcrackincastinghollowthin-walledcastings,highdimensionalaccuracyofcore,sufficientstrength,nodeformationandbreakageinmolding,handlingandcharging. 3.Somestablezirconiaceramicswithexcellentmechanicalpropertiesandhightemperatureagingresistancewerepreparedbyusinghigh-puritymagnesiumoxideandyttriumoxideorrareearthmetaloxideascompositestabilizers.Theceramicmaterialcanbewidelyusedashightemperatureengineeringpartsandhigh-graderefractories.
What is magnesium oxide commonly used in life?
Magnesiumoxideisarelativelycommonsubstance,whichcanbeseeneverywhereinourlife,butmostofusdon'tknowitverywell,sotodayI'dliketosharewithyouthecommonuseofmagnesiumoxideinourlife.1.Lightmagnesiumoxideismainlyusedasrawmaterialsforpreparingceramics,enamels,refractorycruciblesandrefractorybricks.ItisalsousedasthefillerofPolishadhesiveandpaper,promoterandactivatorofchloroprenerubberandfluororubber.2.Oneofthemainusesofmagnesiumoxideisasaflameretardant.Traditionalflameretardantmaterialswidelyusehalogen-containingpolymersorcombinationofhalogen-containingflameretardants.3.Thepressedmagnesiumoxidecanbeusedasopticalcoating.Whenthecoatingthicknessisbetween300nmand7mm,thecoatingistransparent.Therefractiveindexof1mmthickcoatingis1.72.4.Itisusedforclimbingstoneandcanabsorbsweat.5.Anotheruseofmagnesiumoxideisthatitcanbeusedasneutralizingagent.Magnesiumoxideisalkalineandhasgoodadsorptionperformance.Itcanbeusedasneutralizingagentforwastegascontainingacid,wastewatertreatment,wasteliquidtreatmentcontainingheavymetalsandorganicmatters,etc.withtheimprovementofenvironmentalprotectionrequirements,domesticdemandgrowsrapidly.6.Itismainlyusedtoprepareinternalmedicinetoneutralizeexcessivestomachacid.Commonlyusedpreparationsare:emulsion;magnesiumcover,magnesiumoxideandsodiumbicarbonatemixedpowder,etc.
2020-01-08
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