材料科学与工程导论总复习ppt课件.ppt

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1、Aboutthiscourse(cont’d)4.Courseevaluation—Howtoassessthelearningquality?•Finalexam—70%weight(multiplechoice,analysisandcalculation,English/Chinesealternatively)•In-classquiz—30%weight(1quiz/Per2weeks,totally6quizzes)•Homework—Byyourchoice,notamust5.Textbook:D.R.Aske

2、landandP.P.Phule,EssentialsofMaterialsScienceandEngineering(材料科学与工程基础),TsinghuaUniversityPress,2005(影印本).EvolutionofmaterialsOurtasks,challengesandgoalsCompositionStructuresProcessingProperties/performanceStrongerTougherLighterCheaperSaferSmarterFriendlyOurtasks—4co

3、mponentsinmaterialsresearch&thelinearinterrelationshipOurchallenges&goals:—TomakematerialsMaterialsscienceMaterialsengineeringWhatisMaterialsScience&Engineering?MaterialsScience:InvestigatethematerialstructuresUnderstandhowthematerialbehaves/worksinascientificway

4、Underlierelationshipsamongcomposition,processing,structuresandproperties/performanceofmaterials.Materialsengineering:BasedonmaterialsscienceHowtotranslateortransformmaterialsintousefuldevicesorstructuresMakingproductsusingmaterialswithagoodcost-to-performancerati

5、o(性价比)andenvironmentfriendly.MaterialsScienceandEngineering:Thissubjectisaninterdisciplinaryfieldconcernedwithinventingnewmaterialsandimprovingpreviouslyknownmaterialsbydevelopingdeeperunderstandingofthecomposition-processing-structure-propertyrelationships.Material

6、sfamily—classification(bybond)X.P.Zhang(张新平)X.Ma(马骁)Z.M.Yang(杨中民)HuiHe(何慧)PE,PP,PCPA(Nylon)PolymersButylrubberNeopreneGFRPCFRPCompositesKFRPPlywoodAluminaSi-CarbideInorganicmat./CeramicsSoda-glassPyrexFe,Cu,Al,Ni,Au,Metals&AlloysSteels,castironMaterialsfamily—classi

7、fication(byuse)MaterialsStructuralmaterialsFunctionalmaterialsMagneticmaterialsOpticalmaterialsElectronicmaterialsSuperconductivematerials:MetallicmaterialsPlasticmaterialsWoodstructuralmaterialsOtherstructuralmaterials:Whatisametal?Whatisaceramic?—Natural&synthetic

8、rock:hard,brittle&heat-resistantWhatisapolymer?—Thewordpolymerliterallymeans"manyparts"Betterknowas“plastics”bygeneralpublicThegreatmajori