塑料相关英语单词.docx
- 文档编号:5435012
- 上传时间:2022-12-16
- 格式:DOCX
- 页数:56
- 大小:65.10KB
塑料相关英语单词.docx
《塑料相关英语单词.docx》由会员分享,可在线阅读,更多相关《塑料相关英语单词.docx(56页珍藏版)》请在冰豆网上搜索。
塑料相关英语单词
Welcome!
Mydearfriend,
I’vecollectedsomeofprofessionalvocabulariesand
theirEnglishdefinitionsinplastic,moldingandtesting
fields.Youcansearchtherelatedwordsandinformation
bypushingthebellowlinkedalphabet.
Hopeitwillhelpyoualot!
Fortron
5/17/01
ABCD
EFGH
IJKL
MNOP
QRST
UVWX
YZ
A回Fortron首頁
AbrasionResistance
Theabilityofamaterialtowithstandmechanicalactionssuchasrubbing,scraping,orerosion,thattendprogressivelytoremovematerialfromitssurface.
Accelerator
Additivewhichspeedsuptherateofacurereaction,muchlikeatruechemicalcatalyst,nottrulyapartofthereactionorotherwiserequiredbyorconsumedinthereaction.
AcceptableRunner/CavityRatio
Runnersystemsdesignedforhighpressuredropstominimizematerialusageandincreasefrictionalheatingintherunner.
Additives/Filters/Reinforcements
Additivesarematerialsthatareaddedtoapolymertoproduceadesiredchangeinmaterialpropertiesorcharacteristics.Awidevarietyofadditivesarecurrentlyusedinthermoplastics,toexpandorextendmaterialproperties,enhanceprocessability,modifyaesthetics,orincreaseenvironmentalresistance.AdditivesenhancepropertieslikeflameretardancyandUVlightstability.Reinforcingfibersmodifymechanicalproperties:
improvemodulusandlowerimpact.Fillersusuallyincreasemodulusvalues.Fillersarealsousedtomodifymoldingpropertiesortolowercosts.Plasticiserslowermodulusandenhanceflexibility.
AdhesiveAssembly
Theprocessofjoiningtwoormoreplasticpartsbymeansofanadhesive.
Afterflame
Persistenceofflamingofamaterialaftertheignitionsourcehasbeenremoved.After-flametimeordurationofflameisthelengthoftimeforwhichamaterialcontinuestoflame,underspecifiedtestconditions,aftertheignitionsourcehasbeenremoved."Self-extinguishing"and"Self-extinguishability"aretermswhichare:
notrecommended,owingtotheriskofmisunderstanding.
Afterglow
Persistenceofglowingofamaterialafterflaminghasstoppedor-ifnoflamingoccurs-aftertheignitionsourcehasbeenremoved.
Aging/Degradation/Deterioration
Agingisachangeinthechemicaland/orphysicalstructureofamaterialcausedbyheatorlight.Itcanresultinamajordecreaseofpropertyvalues.Alsocalleddegradationordeterioration.
Air-LessSpraying
Amethodofatomizingpaintbyhydraulicpressure.
Alloy/Blends
Termsusedintheplasticsindustrytodenoteblendsofpolymersorcopolymerswithotherpolymersorelastomers.-i.e.ABS/Polycarbonate.Polymerblendsarecombinationsoftwoormoredifferentmisciblepolymers:
mechanicallyentangledratherthanchemicallybonded.Blendingisaprocessofmixingorreactingtwoormorepolymerresinstoobtainimprovedpropertiesoftheproduct.Blendingallowsfortailoringofspecificproperties.Eachindividualpolymerhasdesirablecharacteristicsbutlackssomespecificproperty.Whentheseindividualpropertiesarecombinedtheresultantblendoralloywillexhibitcharacteristicsfromeachoftheparentpolymers.Ingeneral,nocleardifferenceisseenbetweentheterms'alloys'and'blends'.
AmbientTemperature
Thetemperatureofamediumsurroundinganobject.Thetermisoftenusedtodenoteprevailingroomtemperature.
Amorphous/Semi-crystalline
Asathermoplasticpolymermeltsolidifies,thechainsofmoleculescancombinetoformorderedmolecularstructuresorcrystallites.Amorphouspolymersarepolymers,whicharenotabletocrystallize.Theyarerandomlyorientedanddonotexhibitanyorderedmolecularstructureatall.Amorphousresinsrelyonincreasedchainlengths(highermolecularweight)andphysicalentanglementsforstructuralintegrity.Thestructure"lookslikespaghetti".Acrystallinepolymerhasapolymerchainshowinganorderedmolecularstructure-crystallineregionssurroundedbyamorphousones.Theterm"crystalline"isactuallywrong,sincecrystallinepolymericmaterialsareonly"semi-crystalline"innature.Thecrystallinestructuredoesnotexistthroughtheentirepolymer:
thereareregionsoforderedmolecularstructureandalsoregionsofnoorder.
Anisotropic/Isotropic
Anisotropicmeans,"exhibitingpropertieswithdifferentvalueswhenmeasuredalongaxesindifferentdirections".Thepropertiesinanisotropicmaterialsmaydifferwiththedirectioninwhichtheyaremeasured;inisotropicmaterialsthepropertiesareindependentofthedirectioninwhichtheyaremeasured.
Anisotropy
Thetendencyofamaterialtoreactdifferentlytostressesappliedindifferentdirections.
Annealing
Theprocessofrelievingstressesinmoldedplasticarticlesbyheatingtoapredeterminedtemperature,maintainingthistemperatureforapredeterminedlengthoftime,andslowlycoolingthearticlestobepaintedwhichmightcrazeduetosolventattack.
ANSI
AbbreviationforAmericanNationalStandardsInstitute.
Anti-foggingAgents
Additiveswhichpreventorreducethecondensationofwateronaplasticfilmintheformofsmalldropletswhichresemblefog.
Antioxidant
Additiveswhichinhibitoxidationatnormalorelevatedtemperatures.
Antistatic/Antidust
Anantistaticagentisachemicalwhichiscompoundedintoaplasticmaterial,orisacoatingonthesurface.Ithastheeffectofdecreasingthesurfaceresistivity,whichavoidsgenerationofstaticelectricityonthesurfaceandavoidsattractionofdust.Lowlevelofagents:
搇owdust.?
Higherlevelscreate揳ntistatic?
behavior.
ApparentModulus
Designersareinterestedinknowingthestrainresultingfromaknownstressatagiventemperatureandtime.Theincreasedstrainatconstantstressmaybereportedasapparentmodulus.Alsocalled搑educedmodulus.?
Indicatesthestiffnessofamaterialafterithasbeenunderaloadforaperiodoftime.
Application/Article/Component/Part
Anactualpartmoldedoutofthermoplasticmaterial.
ArcResistance
Theabilityofaplasticmaterialtoresistbreakdownwhenahighvoltage,lowcurrentelectricalarcissentjustabovethesurface.Theamountoftimethatittakesthearctoformalongthesurfaceinsteadofthroughtheairisthelistedrating.Usefulforcomparisononly.AdherencetoULspecificationsmustbemaintained.
ArcTracking
Arctrackingistheformationofaconductingpathacrossthesurfaceofaninsulatingmaterialbyarcdischarge.Arcresistanceisameasurefortheinsulationcharacteristicsofaresinagainstthathighvoltagearc;itisthenumberofsecondsthatamaterialresiststheformationofasurfaceconductingpathwhensubjectedtoanintermittentlyoccurringarcofhighvoltage,lowcurrentcharacteristics.Usefulforcomparisononly.TestedaccordingtoUL746AorASTMD495:
SeealsoPLC.
ArcTrackingRate
Theratethatanarccanbeproducedonthesurfaceofamaterial.Typicalunitsarein/min.Usefulforcomparisononly.AdherencetoULspecificationsmustbemaintained.
ArtificiallyBalancedRunnerSystem
Balancingarunnersystembyadjustingthepressuredropofalonglargediameterrunneragainstashortsmalldiameterrunner.Sincepressuredropoverthesmalldiameterrunnerwillbemuchmoreaffectedbyheatlossthanthelargediameterrunner,anartificiallybalancedrunnersystemwillworkwithasetrangeofmoldingconditions.Thewidthofthisrangeofmoldingconditionsdeterminesthestabilityofthemolding.
AshContent
Thesolidresidueremainingafterasubstancehasbeenincineratedorheatedtoatemperaturesufficienttodriveoffallcombustibleorvolatilesubstances.
Assembly
Theprocessofjoiningpartsbyanyofseveralmethods.
ASTM
ASTM,ortheAmericanSocietyforTestingMaterials-foundedin1898-isascientificorganizationformedfor搕hedevelopmentofstandardsoncharacteristicsandperformanceofmaterials,products,systemsandservices?
Itistheworld抯largestsourceofvoluntaryconsensusstandards.
B回Fortron首頁
Backflow
Themeltflowsbackoutofthemold,returningtotherunners.
BackPressure
Theappliedhydraulicpressureusedtorestricttheshotsizeformation.Appliedtothebackofameltaccumulatororreciprocatingscrew.Usedtocontrolscrewdrift,mixing,andshotsizeadjustments.Inmolding,backpressureincreasesthetemperatureofthemelt,andcontributestobettermixingofcolorsandhomogeneityofthematerial.
BalancedRunner
Ininjectionmolding,arunnersystemdesignedtoplaceallcavitiesatthesamedistancefromthesprue.
BallHardness
Theballindentationmethoddeterminesthehardnessofplasticsbyusingaloadedballindenterofpredefineddimensions.BallhardnessH358/30isderived:
358newtonsloaddividedbythesurfaceareaoftheimpressioninthematerialafter30secondsloadapplication.ItisexpressedinN/mm2.
BallPressureTest
Anindicationofamaterial抯abilitytowithstandheatgeneratedbyenergizedelectricalcircuits.Materialdeformationismeasuredafterheatandpressurehavebeenapplied.Componentsretaininglivepartsinpositionshouldpassataminimumof257oF(125oC).
Barrel
Cylinderthatcontainsthescrewandtheheaters.Builttowithstandpressureof7,500-20,000psi.
BarrelHeaters
Heatersthatraisethebarreltemperatureinordertotransformthethermoplasticmaterialintoamelt.
Bite
Solventattackdirectlyonthesurfaceofthesubstrate.
BlackParticles
Largerpiecesofdegradedmaterial,typicallycausedbyimproperequipmentdesignorlackofperiodicpreventivemaintenance(sizeis0.11squaremillimeterorlarger).
BlackSpecks
Aspecifickindofinclusion/contaminationoftenassociatedwithdegradedmaterials(0.10squaremillimeterorsmaller).
BlastFinis
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 塑料 相关 英语单词