材料科学与工程导论总复习

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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.AskelandandP.P.Phule,EssentialsofMat

2、erialsScienceandEngineering(材料科学与工程基础),TsinghuaUniversityPress,2005(影印本).EvolutionofmaterialsOurtasks,challengesandgoalsCompositionStructuresProcessingProperties/performanceStrongerTougherLighterCheaperSaferSmarterFriendlyOurtasks—4componentsinmaterialsresearch&thelinearinterrelationshipOurchallen

3、ges&goals:—TomakematerialsMaterialsscienceMaterialsengineeringWhatisMaterialsScience&Engineering?MaterialsScience:InvestigatethematerialstructuresUnderstandhowthematerialbehaves/worksinascientificwayUnderlierelationshipsamongcomposition,processing,structuresandproperties/performanceofmaterials.

4、Materialsengineering:BasedonmaterialsscienceHowtotranslateortransformmaterialsintousefuldevicesorstructuresMakingproductsusingmaterialswithagoodcost-to-performanceratio(性价比)andenvironmentfriendly.MaterialsScienceandEngineering:Thissubjectisaninterdisciplinaryfieldconcernedwithinventingnewmateri

5、alsandimprovingpreviouslyknownmaterialsbydevelopingdeeperunderstandingofthecomposition-processing-structure-propertyrelationships.Materialsfamily—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-Car

6、bideInorganicmat./CeramicsSoda-glassPyrexFe,Cu,Al,Ni,Au,Metals&AlloysSteels,castironMaterialsfamily—classification(byuse)MaterialsStructuralmaterialsFunctionalmaterialsMagneticmaterialsOpticalmaterialsElectronicmaterialsSuperconductivematerials:MetallicmaterialsPlasticmaterialsWoodstructuralmateri

7、alsOtherstructuralmaterials:Whatisametal?Whatisaceramic?—Natural&syntheticrock:hard,brittle&heat-resistantWhatisapolymer?—Thewordpolymerliterallymeans"manyparts"Betterknowas“plastics”bygeneralpublicThegreatmajori