武汉理工材料概论期末试卷及其重点

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1、武汉理工大学考试试题纸1课程名称材料概论（双语）专业班级题号一二三四五六七八九十总分题分101010203218100备注:不得在试题纸上答题(含填空、选择题等客观题)；可用中文或英文答题。一、Fillintheblanks(1’×10=10’)1.Thefourbasictypesofbondingarrangementswhichholdatomstogetherarethe_________bond,_________bond,ionicbondandthevanderWaalsforces.2.Oneofthema

2、infactorsonthebrittlenatureofglassisthe_________.3.Thesmallmoleculesinpolymersaretermed_________,thereactionsbywhichtheycombinearetermed_________.4.Apropertyofamaterialisdeterminedbyanalyzingthe_________ofthematerialtosomeoutsideinfluence,generallybymeansofa______

3、___standardtest.5.Hardenedconcreteshouldbe_________,strong,watertightandresistanttoabrasion.6.Itisthebehaviorandpropertiesofthe_________thatgenerallycontrolthepropertiesofcomposites.7._________isnotonlyoneofthemostabundantelementsintheearth’scrust,butitisalsothemo

4、stabundantmetalintheearth’scrust.二、Trueorfalse(indicatewith“√”or“×”,1’×10=10’)1.Allamorphousmaterialsareglasses.2.Magnesiumisthelightestofallstructuralmetals.3.Al2O3纤维和Al基体组成颗粒增强复合材料。4.Theconstituentatomsofglassandceramicsarestackedtogetherinaregularrepeatingpatte

5、rn.5.Theweightratioofwatertocementinconcreteiscalledwater-cementratio.6.Thecopper-zincalloysarereferredtoasbrasses.7.ThebasicunitofthetraditionalceramicistheSiO4tetrahedron.8.纤维增强树脂是一种复合材料，而混凝土不是复合材料。9.Thealuminumoxideis(Al2O3)istypicaltypeofmetalandisagoodheatand

6、electricconductor.10.Thecrystallinestateofasolidismorestablethanamorphousstate.三、Choosetherightanswer(1’×10=10’)1.Morethan90%oftheglassinuseisbasedonoxidesandinparticular_____.a.oxidesb.saltsc.calciumd.silica2.Amaterialthatwillnotdeformplasticallyunderloadissaidto

7、be______.Excessivecoldworkingcauseslossof______.a.toughb.brittlec.valued.ductility3.Mostmetalsoccurinnatureascompoundswhichmustbe____tofreethemetal.a.reducedb.oxidizedc.extractedd.excavated4.Polymersvaryintheirmechanicalbehaviordependingonthedegreeof_____,degreeo

8、fcrosslinking,andthevaluesofTgandTm.a.structureb.crystallinityc.meltingpointd.Tg1.Oneofthemainfactorsonthebrittlenatureofglassisthepresenceof______.a.su