材料科学英语Unit 3 Lecture 1 Specialized words.ppt

PropertiesofMaterialsUnit3

SpecilizedwordsMattersongMatterismadeoftinymoleculesanda______Elementswithprotons,neutronsandelectronsMatteristhestuffthatisallaroundItcannotbeaformofenergyLikeheat,light,windors______?Unit3tomsound

SpecilizedwordsMatterhasmassandtakesups______Solid,l______,gasarethethreedifferentstatesThesephasesofmatterchangewhatthemattermakesMatterhasp__________thattellwhatit’slikeItgoesthroughp______andchemicalchanges,that’sright!?Unit31paceiquidropertieshysical

SpecilizedwordsM______isgoingfromasolidtoaliquidE__________isgoingfromaliquidtoagasCondensationisgoingfromagastoaliquidF______isgoingfromaliquidtoasolidWemakecarefulobservationstohelpusdescribeUnit31eltingvaporatingreezing

SpecializedwordsMass,Volume,Density,andPressureSize,Shape,Texture,andTemperatureAphysicalchangedoesn’treallychangethematterYoucanfoldit,bendit,cutit,buttheobjectstillremainsThematterjustmovesfromones______toanother??Unit31tate

SpecilizedwordsPropertiesofmattercanbechemicalWithachemicalr______,anewsubstancecanformYoucanrustit,b______it,cookit,butyoucan’treverseitEnergyisgivenofforenergyisabsorbedThematterfromwhichthingsaremadeisam______.?Unit31eactionurn?aterial

Specializedwords1Unit31.Tostudyhowamaterialbehavesunder____________loading,wemakeuseofanS-Ncurve(S=Stress;N=LifeCycle),whichshowsthestressesdevelopedinamaterialatdifferentcycleswithasameload.2.Themost____________metalisplatinumwhilethe____________ofsteelvariesdependingonthealloyingconstituents.3.Equal-channel________pressingisaprocessingmethodinwhichametalissubjectedtoanintenseplasticstrainingthroughsimpleshearwithoutanycorrespondingchangeinthecross-sectionaldimensionsofthesample.cyclicductileductilityangularStudythewordsinthefiel