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1、HefeiUniversity陶瓷材料Ceramicmaterials题目：陶瓷材料系别：化学工程系专业：09无机非专业学制：四年姓名：孙改行学号：0903031011导师：谢劲松Ceramicmaterials[Abstract]:ceramicmaterialsinourdailylivesisaveryimportantmaterial,especiallyinourChina,makingceramicsinceancienttimesisourspecialty.Tothemoderncer
2、amicsandtheconceptoffunctionalhappenedaseriesofchange,thispaperfocusesonthepropertiesofceramicmaterials,applicationanddevelopmentprospectofdoingasimpleoverview[Keywords]:ceramics,materialsText:1,overview:traditionalceramicmaterialisclay,quartz,feldspara
3、ndothersilicatematerials,andmodernceramicmaterialsareinorganicnon-metallicmaterialscollectively.Ceramicmaterialisakindofnaturalorsyntheticpowderedcompounds,aftermoldingorsinteredathightemperature,themetalelementsandnon-metallicinorganiccompoundsconstitu
4、teheterogeneoussolidmaterials.Ceramicmaterialwithhightemperatureresistance,corrosionresistance,wearresistance,abundantrawmaterials,lowcostandmanyotheradvantageswhicharepeoplewhohavebeenconcerned.Now,ceramicmaterials,metalmaterials,polymermaterialsarecal
5、ledthethreemajorsolidmaterials.2,performance:(1):mechanicalpropertiesofceramicmaterialswithhighhardnessandexcellentwearresistance,highelasticmodulus,thetensilestrengthofsteeloflowcompressivestrengthishigh,theceramicplastic,lowtoughness,brittle,almostnop
6、lasticityatroomtemperature.(2)mechanicalproperties:mostoftheceramichardnessthanthemetalismuchhigher,especiallygood,oftenusedaswear-resistantparts(suchasbearings,tool).Ithashighelasticmodulusandhighbrittleness,lowtensilestrengthandhighcompressivestrength
7、,hasstrongheatfunction,withhightemperaturecharacteristics,itsmeltingpointisgenerallygreaterthan2000DEGC.Inaddition,ceramicmaterialalsohasasmallerthermalexpansioncoefficient,thermalconductivity,thermalcapacityissmallandlowmechanicalproperties.(3):mostofe
8、lectricalpropertiesofceramicmaterialswithhighresistivity,lowdielectricconstantanddielectricloss,soitcanbeusedasinsulatingmaterial.Afewoftheceramicmaterialscanbeusedasthesemiconductormaterial,andhasbecomearadiotechnologyandhigh-te
