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1、北京化工大学2006至2007学年第一学期材料导论I期末考试试卷北京化工大学2006——2007学年第一学期《材料导论I》期末考试试卷标准答案制订：赵静、邓建平，审校：熊金平材料科学与工程学院I.Whatdothefollowingabbreviationsofmaterialsandunitcellsstandfor?TranslateallabbreviationsintoChinese.Atleast10-pointquestionsshouldbecompleted.(12points)1.Nam
2、esofmaterials:(4points)TP,thermoplastic,热塑性塑料；PMC,polymermatrixcomposite,聚合物基复合材料；MMC,metalmatrixcomposite,金属基复合材料；CMC,ceramicmatrixcomposite,陶瓷基复合材料2.Namesofequipment:(4points)SEM,扫描电子显微镜；TEM,透射电子显微镜；SPM,扫描探针显微镜；DSC,示差扫描量热分析3.Namesofunitcells:(4points)bc
3、c,body-centeredcubic,体心立方；fcc,face-centeredcubic,面心立方；cph,close-packedhexagonal,紧密堆积六方；sc,simplecubic简单立方II.ChoosetheBESTTERMtomatchthedefinition(15pts,1pt/Q).1.R)Polymer2.A)Allotropicmaterial3.N)Interstitialcy4.M)Interstitialsolidsolution5.V)Smartmateria
4、ls6.E)Cation7.H)Crystalline8.J)Electronegativity9.Y)Vandewaalsforces10.O)Long-range-ordermaterials11.D)Atomicpackingfactor(APF)12.L)Factorofsafety13.G)Creep14.F)Coordinationnumber15.Q)NeutronsIII.Choosethecorrectanswer(s)tothefollowingquestions(35points,1
5、pt/Q)1.A)2.B)3.C)4.D)5.B)6.A)7.B)8.D)9.D)10.C)11.D)12.D)13.B)14.B)15.C)16.C)17.B)18.A)19.A)20.A)21.B)22.C)23.C)24.C)25.B)26.B)27.C)28.C)29.D)30.D)31.C)32.D)33.B)34.B)35.D)IVFillinthefollowingblanksaccordingtothebasicconcepts.(10points,1pt/blank)1.protons2
6、.unitcell3.A)group,B)period,C)group,D)valence4.A)impurityatoms,B)disorderofcrystalstructures5.alloy6.ductileV.Trueorfalsequestions.Ifyouthinkthestatementistrue,writetheletter“T”;otherwise,writetheletter“F”.Atleast10questionsshouldbecompleted.(15points,1po
7、int/Q)1.T2.F3.T4.T5.T6.F7.T8.T9.T10.F11.F12.F13.T14.F15.FVI.Giveasimpleanswertothefollowingquestions.Atleast10-pointquestionsshouldbecompleted.(20points)1.(3points)step1:recordtheinterceptsinorderofthex-,y-,z-axes:1,-1,∞step2:takereciprocals:1,-1,0,step3:
8、clearanyfractions:nofractionsstep4:recordthenumberinparentheseswithnocommasseparatinginthenumbers,−(110)2.(2points)Sixparametersareneededtodescribeaunitcelladequately.Therearethreeangles(α,β,γ)andthreelatticeparamet
