材料科学概论论文

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1、材料科学概论论文材料科学概论Overvieaterialsscienceaterialishumansurvivalanddevelopmentofthematerialbase,the1970stheinformation,materialandpeopleenergyasthecontemporarycivilizationthethreepillars.The80stothehightechnologygroup,asarepresentativeoftheneaterials,informationtechnologyandbiotechnologyandliste

2、dasanimportantsymbolofneainlybecausematerialsandthedevelopmentofnationaleconomyandthepeople'slifecloselyrelated.Inadditiontoitsmaterialimportantanduniversal,butalsohasdiversity.Fromaphysicalchemistrypropertytopoints,canbedividedintometalmaterials,inorganicnon-metallicmaterials,organicp

3、olymermaterialsanddifferenttypesofmaterialsofpositematerials.FromUSEStopoints,anddividedintoelectronicmaterial,aviationmaterials,nuclearmaterials,constructionmaterials,energymaterials,biologicalmaterial.Themoremontethodisthestructureandfunctionofthematerialmaterials;Traditionalmaterials,an

4、dneaterials.Humandevelopmenthistoryproved,thematerialisthematerialbasisofsocialprogress,isthedegreeofhumanprogressmainmark.Materialsscienceandengineeringisthematerialposition,structure,processofproduction,materialpropertiesandtheuseefficiencyandbetthepreparationprocessfloaterialsex.Andthep

5、ositionandstructure,synthesisandproductionprocess,natureanduseefficiencycalledmaterialsscienceandengineeringandthefourbasicelements.Theuseofmaterialperformanceinfluencebytheenvironmentisverybig,suchasstressstate,theatmosphere,mediumandtemperature.Therearesomematerialsinthegeneralenvironmen

6、tofperformanceisverygood,andthecorrosivemediuminundertheperformancehasdroppedsignificantly;Somematerialsinthesmoothperformanceisverygood,andgapsintheperformanceratherfall,especiallysomeparticularlyhighstrengthmaterials,ifthereisascratch,cancauseseveredamage.Therefore,theintroductionofenvir

7、onmentalfactorsonthematerialengineeringisveryimportant.Materials,materialsscience,metalscienceetc.ithasthreeattributes:oneistheinterdisciplinary,itisphysics,chemistry,metallurgy,ceramics,polymerchemistryandputerscienceandcrossintoeachother,andtheresultsofsucha