【英文标准名称】:StandardPracticeforInjectionMoldingTestSpecimensofThermoplasticMoldingandExtrusionMaterials
【原文标准名称】:热塑性模塑和挤压材料的注模试样的标准实施规程
【标准号】:ASTMD3641-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.09
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:injection-molding;molddesign;testspecimenpreparation;thermoplastics;Acetalplastics;Injectionmolding/extrusioncompounds;Molding/extrusioncompounds/materials;PET(poly(ethyleneterephthalate));PMMA(poly(methylmethacrylate));Polyalkylene
【摘要】:Itiswellknownthatplastictestspecimensmoldedunderdifferentconditionscanhavesignificantlydifferentproperties.Thispracticeisdesignedtominimizethosedifferencesbyestablishingoperatingprotocolswithoutbeingunnecessarilyrestrictive.AlwaysrefertotheASTMmaterialspecificationorISOdesignationforthematerialforrecommendedmoldingconditions.Ifnotavailable,consultthematerialsupplier.Thispracticerequirestheuseofadequatequantitiesofplasticmaterialtofinddesirableoperatingconditionsandtomakethedesiredtestspecimens.1.1Thispracticecoversthegeneralprinciplestobefollowedwheninjectionmoldingtestspecimensofthermoplasticmoldingandextrusionmaterials.Thispracticeistobeusedtoobtainuniformityinmethodsofdescribingthevariousstepsoftheinjectionmoldingprocessandtosetupuniformmethodsofreportingtheseconditions.Theexactconditionsrequiredtopreparesuitablespecimenswillvaryforeachplasticmaterial.Thoseconditionsshouldbecomeapartofthespecificationforthematerial,orbeagreeduponbetweenthepurchaserandthesupplier.Anyrequirementsorrecommendationsinthematerialspecificationwhichdifferfromthisstandardtakeprecedenceoverthoseinthisstandard.1.2Themethodologypresentedassumestheuseofreciprocatingscrewinjectionmoldingmachines.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThispracticeisequivalenttothefollowingpartsofISO294:PlasticsInjectionMouldingofTestSpecimensofThermoplasticMaterials;294-1:Part1GeneralPrinciplesandMultipurposeTestSpecimens(ISOTypeAMould)andBars(ISOTypeBMould);ISO294-2:Part2SmallTensileBars(ISOTypeCMould);ISO294-3:Part3Plates(ISOTypeDMoulds).
【中国标准分类号】:G33
【国际标准分类号】:83_080_20
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforCalibrationofNarrow-andBroad-BandUltravioletRadiometersUsingaSpectroradiometer
【原文标准名称】:使用光谱辐射计校准窄带和宽带紫外辐射计的标准试验方法
【标准号】:ASTMG130-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:G03.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:弧光灯;带;校正;荧光灯;卤素灯;窄的;光学;光度测量法(光测量);辐射;分光计;试验;钨;紫外线;紫外线辐射;宽的;氙
【英文主题词】:calibration;ultraviolet;radiometer;narrow-band;broad-band
【摘要】:1.1Thistestmethodcoversthecalibrationofultravioletlight-measuringradiometerspossessingeithernarrow-orbroad-bandspectralresponsedistributionsusingeitherascanningoralinear-diode-arrayspectroradiometerastheprimaryreferenceinstrument.Fortransferofcalibrationfromradiometerscalibratedbythistestmethodtootherinstruments,TestMethodE824shouldbeused.Note1Specialprecautionsmustbetakenwhenadiode-arrayspectroradiometerisemployedinthecalibrationoffilterradiometershavingspectralresponsedistributionsbelow320-nmwavelength.Suchprecautionsaredescribedindetailinsubsequentsectionsofthistestmethod.1.2Thistestmethodislimitedtocalibrationsofradiometersagainstlightsourcesthattheradiometerswillbeusedtomeasureduringfielduse.Note2Forexample,anultravioletradiometercalibratedagainstnaturalsunlightcannotbeemployedtomeasurethetotalultravioletirradianceofafluorescentultravioletlamp.1.3Calibrationsperformedusingthistestmethodmaybeagainstnaturalsunlight,Xenon-arcburners,metalhalideburners,tungstenandtungsten-halogenlamps,fluorescentlamps,etc.1.4Radiometersthatmaybecalibratedbythistestmethodincludenarrow-,broad-,andwide-bandultravioletradiometers,andnarrow-,broad,andwide-bandvisible-region-onlyradiometers,orradiometershavingwavelengthresponsedistributionsthatfallintoboththeultravioletandvisibleregions.Note3Forpurposesofthistestmethod,narrow-bandradiometersarethosewith20nm,broad-bandradiometersarethosewith20nm70nm,andwide-bandradiometersarethosewith70nm.Note4Forpurposesofthistestmethod,theultravioletregionisdefinedastheregionfrom285to400-nmwavelength,andthevisibleregionisdefinedastheregionfrom400to750-nmwavelength.TheultravioletregionisfurtherdefinedasbeingeitherUV-Awithradiationofwavelengthsfrom315to400nm,orUV-Bwithradiationfrom285to315-nmwavelength.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F81
【国际标准分类号】:17_180_20
【页数】:6P.;A4
【正文语种】: