ASTM D 3308-2006 聚四氟乙烯树脂薄片带标准规范
作者:标准资料网 时间:2024-05-26 04:34:44 浏览:8098
来源:标准资料网
【英文标准名称】:StandardSpecificationforPTFEResinSkivedTape
【原文标准名称】:聚四氟乙烯树脂薄片带标准规范
【标准号】:ASTMD3308-2006
【标准状态】:现行
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;聚四氟乙烯;树脂
【英文主题词】:Plastics;PTFE;Resins
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Codeofpracticeforremanufactureofsparkandcompressionignitionengines
【原文标准名称】:火花点火发动机和压燃式发动机的改造实施规程
【标准号】:BSAU257-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-12-15
【实施或试行日期】:1995-12-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:内燃机;泰罗制;文献;设备综合工程学;火花点火发动机;压燃式发动机;回收
【英文主题词】:terotechnology;spark-ignitionengines;documents;compression-ignitionengines;reconditioning;internalcombustionengines
【摘要】:
【中国标准分类号】:T10
【国际标准分类号】:43_060_01
【页数】:10P;A4
【正文语种】:英语
【英文标准名称】:Fibre-reinforcedplasticcomposites.Determinationofflexuralproperties
【原文标准名称】:纤维增强塑料复合材料.弯曲性能的测定
【标准号】:BSENISO14125-1998+A1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:1998-06-15
【实施或试行日期】:1998-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Aerospacetransport;Airtransport;Bendtesting;Bendingbehaviour;Bendingstiffness;Definitions;Determination;Fibrereinforced;Flexibility;Flexuralstrength;Four-pointmethods;Laminates;Materials;Mechanicaltesting;Plastics;Reinforcedmaterials;Testspecimens;Testing;Three-pointmethods
【摘要】:1.1ThisInternationalStandardspecifiesamethodfordeterminingtheflexuralpropertiesoffibre-reinforcedplasticcompositesunderthree-point(MethodA)andfour-point(MethodB)loading.Standardtestspecimensaredefinedbutparametersincludedforalternativespecimensizesforusewhereappropriate.Arangeoftestspeedsisincluded.1.2Themethodisnotsuitableforthedeterminationofdesignparameters,butmaybeusedforscreeningmaterials,orasaquality-controltest.NOTEForexample,theflexuralmodulusisonlyanappropriatevalueofthetensileYoung’smodulusofelasticityasthetestisnotfortheadditionaldeflectionduetotheshearstresswhichleadstoalowervalueoftheflexuralmodulusbutusestestspan/specimenthicknessratiosthatminimisethiseffect.Differencesbetweentensileandflexuralpropertiesarealsocausedbythematerialstructure/lay-up.1.3Themethodissuitableforfibre-reinforcedthermoplasticandthermosettingplasticcomposites.ISO178,Plastics—Determinationofflexuralproperties,appliestobulkcompoundshavingfibresshorterthan7,5mm.Thisisgenerallythecasewithmaterialsintendedforinjectionmoulding.1.4Themethodisperformedusingspecimenswhichmaybemouldedtothechosendimensions,machinedfromthecentralportionofthestandardmulti-purposetestspecimen(seeISO3167)ormachinedfromsemi-finishedorfinishedproductssuchasmouldingsorlaminates.1.5Themethodspecifiespreferreddimensionsforthespecimen.Testswhicharecarriedoutonspecimensofotherdimensions,oronspecimenswhicharepreparedunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchasthespeedoftestingandtheconditioningofthespecimenscaninfluencetheresults.Formaterialswhicharenothomogeneousthroughthesection,orabovethelinear-elasticresponseregion,theresultappliesonlytothethicknessandstructuretested.Consequently,whencomparativedataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.
【中国标准分类号】:Q23
【国际标准分类号】:83_120
【页数】:26P.;A4
【正文语种】:英语