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Variousaluminumpartscanbefabricatedby・Theunusually
highdegreeofforthethesealloysispossiblewithacarefully
controlled,microstructure.
9.Comparethepropertiesofaluminumandaluminumoxide(advantagesanddisadvantages)
10.Whatarethedevelopmentsinceramictechnology?
11.SiO2isthebasisofalargeandcomplexfamilyof,which
includeclaysandclaylikematerials.
12.Thecompositioncharacteristicsofceramics・
13.Explaintheconcept“crystalline^^and“noncrystalline^.
14.Constituentsinwindowglasses.
15.Whatarestepsforgettingglass-ceramics?
16.Stinctureandpropertycharacteristicsofglass-ceramics.
17.Characteristicsoflithiumaluminosicliatecompounds.
18.Whatisthealternativenameforpolymers?
Whatdoplasticsimply?
19.Polymerconsistsof“poly"
and"
mer"
.Whatis66mef,?
20.Whataretheelementsforthepolymers?
21.Whatisthepropertythatplasticssharewithmetals?
22.Whatarecharacteristicsofpolymers(advantagesanddisadvantages)?
23.Whataretheprogressof"
engineeringpolymers"
?
24.Whatarecomposites?
25.Takefiberglassasanexampletoexplainthepropertyofgoodcomposites.
26.Giveexamplesofcompositesandtheirconstituents・
27.Whatissemiconduction?
28.Wherearethesemiconductingelementslocatedintheperiodictable?
Givethenamesofexamples.
29.Giveexamplesofcompoundsemiconductorsandtheirapplications.
1.2
30.Whyaluminumalloysaremoreductilethanmagnesiumalloys?
31.Whycommercialceramicsarenormallynottransparent?
32.Howtogettransparentceramics?
33.Whatistherelationshipbetweenporosityandtransparencyofceramics?
34.Whatistheapplicationoftransparentaluminaceramics?
1.3
35.Theimportanceofmaterialsselection?
36.Comparethecharacteristicsoffourstructuralmaterials.
37.Whatarethefactorsconsideredinselectionasubstitutematerial?
Chapter7Metals
7.1Ferrousalloys
1.WhatarethetwomaincategoriesoffeiTousalloys?
Whatis
differencebetweenthem?
2.Whatarethetypesofsteels?
Howaretheyclassified?
3.Thepropertiesandothercharacteristicsofcarbonandlow-alloysteels.Examplesoftheirapplications.
4.WhatareHDLAsteels?
Whatareimportanttoobtainthesesteels?
5.Whatarethetypesofhigh-alloysteels?
Whataretheirmaincharacteristics?
6.Whystainlesssteelsareresistanttorustingandstaining?
7.Whatarethetypesofstainlesssteels?
Howdotheydifferentiatefromeachother?
Whatareapplicationsoftoolsteels?
9.Canplain-carbonsteelsalsobeusedastoolsteels?
10.Whataretheelementsinnonnalcastirons?
11.Whatarethecharacteristicsofcastirons?
12.Howcastironsareshaped?
13.Whatarethedifferencesbetweencastironsandrelatedwroughtalloys?
14.Whatarethetypesofcastirons?
Whataretheirdifferences?
15.Howtogetamorphousalloys?
Whatisfeatureoftheirmicrostructure?
Howaboutthesuperiorpropertiesofamorphousalloys?
16.Whyamorphousalloysareattractiveforsoft-magnettransformer
cores?
17.Whatarerapidlysolidifiedalloys?
Whatarethedifferencesandcommonfeaturesofamorphousalloysandrapidlysolidifiedalloys?
7.2NonFerrousalloys
1.Characteristicsofaluminumalloys.
2.CharacteristicsofAl-Lialloys.Wherearethealloysused?
3.Whataredifferencesbetweenaluminumandmagnesiumalloys?
4.Whatispassivation?
Howdoesitcontributetothepropertiesoftitanium?
5.Whataretypesofstmcturesoftitaniumalloys?
6.Characteristicsofcopperalloysandtheirapplicationexamples・
7.Characteristicsofnickelalloys.
8.Whatisgalavanizationanditsapplication?
9.Whataretheapplicationofleadalloys?
Whatistheproblemwithapplicationsoflead?
10.whatarerefractoryandpreciousalloys?
7.3Majormechanicproperties
astressversusstrain
1.Whatisthedirectresultofapull-test?
2.Howtogetthestressversusstraincurve?
3.Whatarethetwopartsinthestressversusstraincurve?
Whatarethedifferences?
4.Howtogettheyieldstrengthformstressversusstraincurve?
5.Whataremechanismsofelasticdeformationandplasticdeformation?
6.Whatdoesmoduluselasticity(E)represent?
HowtogetEfromthestressversusstraincurve?
7.Whataretheindexesorparametersobtainedfromthestressversusstraincurve?
8.Whatisspecialforthestressversusstraincurveofthelow-carbonsteel?
9.WhatisPoissionratio?
Howtogetit?
10.Elasticdeformationundershearloadingsandshearmodulus?
bhardness
1.Howtodoahardnesstest?
2.Whatarethedifferentwaystoexpresshardness?
3.Whatisrelationshipbetweenhardnessandstrength?
cimpactenergy
1.Howtomeasureimpactenergy?
2.Whatisrelationshipbetweenimpactenergyandtoughness?
3.Whatistheinfluenceofthenotchontheresultfi'
omtheCharpytest?
4.WhatistheinfluenceoftesttemperatureontheresultfromtheCharpytest?
5.Whatisductile-to-brittletransitionoflow-carbonsteels?
Whattheresultofsuchatransition?
Examples?
6.Microstructuralfeaturesofbrittleandductilefailures.
dfracturetoughness
1.Thetermfracturemechanicsmeansthegeneralanalysis
ofofmaterialswithpreexisting.
2.FracturetoughnessisrepresentedbythesymbolKICandisthe
criticalvalueofatanecessarytoproduce
catastrophicfailure.
3.Comparethefracturetoughnessofbrittleandductilematerials.
efatigue
1.Giveexplanationfortheconceptoffatigue.
2.Drawatypicalfatiguecurve.
3.Whatismechanismoffatiguephenomenon?
4.Whatthecharacteristicsofafracturesurfaceinthecaseoffatigue?
5.Whatisfatiguestrength(endurancelimit)?
fcreep
1.Thedefinitionofcreep.
2.Whatarethethreestagesofcreepcurveandthemechanismbehind?
3.HowtheAri'
heniusplotisusedinthecreepphenomenon?
4.Thesimplewaytocharacterizethecreepbehavior.
Chapter8
8.1
1.WhySi02-basedsilicatematerailsareabundant?
2.Listexamplesoftraditionalceramics・Whataretheirapplications?
3.ThecompositionsystemofPortlandcement.
4.Whatarerefractories?
Wherecantheybeused?
5.Giveexamplesofadvancedceramics・Whataredifferencesbetweentheadvancedandtraditionalceramics?
6.Giveexamplesofnon-oxideceramicsandth&
rapplications.
8.2
7.Inpointviewofrawmaterials,whatissimilaritybetweensilicateglassesandceramics?
8.Whatareoxidesnamedintheglasscomposition?
Whataretheirrolesinglasses?
9.Whatisvitreoussilicaanditsapplication?
10.Whatisborosilicateglass?
Whataretheoxidesareusedtomakeit?
Whataretheirapplications?
11.Thegeneralcompositionandapplicationsofsoda-lime-silicaglasses.
12.Whatareglazesandenamels?
Whatarethesimilarityanddifference?
13.Examplesofnonsilicateglasses.
63
14.Whydoglass-ceramicsbeginasordinaryglasses?
Whatheattreatmentisneeded?
15.Whatarecharacteristicsoftheomicrstmctureofglass-ceramics?
16.Whataretheadvantagesofglass-ceramics?
17.Illustratethecrystallizationofordinaryglassandglassaftercarefullycontrolledheattreatment.
18.Whatareimportanttoobtainglass-ceramicswithfine(small)crystallites?
19.ThethermalpropertiesofLi2O-A12O3-SiO2glassceramics・
64
20.Whatisbrittlefracture?
21.Whatisrelationshipbetweenthetensileandcompressionstrengthofceramics?
Why?
22.Whatismodulusofrapture?
Formwhichtestisitobtained?
23.WhatisGraffithcrackmodel?
(Whyceramicsandglassarebrittle?
24.Whatistransformationtoughening?
Illustratethemechanism.
25.Howmicrocracksraisefi^acturetoughness?
26.Whatisstaticfatigue?
Whataretheconditionsforstaticfatigue?
27.Whycreepismorimportantinceramics?
28.Whatfactorsplayimportantrolesinthecreepofceramics?
29.Whatisthermalshock?
30.Whatisrelationshipbetweenthermalshockandcoefficientofthermalexpansion,thermalconductivity?
?
(Howdoesthermalshockfollowthepropertiesofthermalexpansionandthermalconductivity?
31・Whatarethefactorsinfluencingthethermalshock?
32.Whataretheuniqueresponsewhenmeasuringthethermalexpansionofaglass?
33.WhatisTg?
WhatisthedifferenceofaglassbelowandaboveitsTg?
34.Drawathermalexpansioncurveandaspecificvolumeversustemperaturecurveofaglass?
35.Whataretherangesintheviscositycurveofasoda-lime-silicaglass?
36.Compai'
ethewords:
Viscousbehavior,viscosity,diffusivity,fluidity
37.Howviscousdeformationisusedintemperedglass?
8.5
38.Whatisrefractiveindex?
39.Whatai'
ethetypicalvaluesoftherefractiveindexforceramicsandglasses?
Whatdothesevaluesmean?
40.Ifaglasshasahighrefractiveindex,whatwillhappen?
Whatistheapplicationofsuchaglass?
41.Whatisreflectance?
Whatisrelationshipbetweenreflectanceandrefractiveindex?
42.Whatisthedifferencebetweensp