SAE AS31421 Connectors, Receptacle, Electrical, Box Mounting, Solder Contact, Hermetic, AN Type
作者:标准资料网 时间:2024-04-29 21:04:14 浏览:8462
来源:标准资料网
Product Code:SAE AS31421
Title:Connectors, Receptacle, Electrical, Box Mounting, Solder Contact, Hermetic, AN Type
Issuing Committee:Ae-8c1 Connectors Committee
Scope:SCOPE UNAVAILABLE.
上一篇:
SAE AS15003 Fitting, Lubrication, Hydraulic, Surface Check, 1/8 Pipe Threads, Steel, Type III下一篇:
SAE AS7482 Studs, Corrosion and Heat Resistant Steel, UNS S66286, Tensile Strength 130 ksi, 1800 °F Solution Heat Treate【英文标准名称】:StandardTestMethodforDeterminingTensilePropertiesofNonreinforcedPolyethyleneandNonreinforcedFlexiblePolypropyleneGeomembranes
【原文标准名称】:非增强聚乙烯和非增强柔性聚丙烯土工薄膜张力特性测定的标准试验方法
【标准号】:ASTMD6693-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D35.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:nonreinforced;percentbreakelongation;percentyieldelongation;polyethylene;polypropylene;tensilebreakstrength;tensileyieldstrength;Geomembranes;Nonreinforcedplastics;Polyethylene(PE)geomembraneapplications;Polypropylene(PP)geom
【摘要】:Thistestmethodisdesignedtoproducetensilepropertydataforthecontrolandspecificationofnonreinforcedpolyethyleneandflexiblenonreinforcedpolypropylenegeomembranes.Thesedataarealsousefulforqualitativecharacterizationandforresearchanddevelopment.Itmaybenecessarytomodifythisprocedureforuseintestingcertainmaterialsasrecommendedbythematerialspecifications.Therefore,itisadvisabletorefertothatmaterial''sspecificationbeforeusingthistestmethod.Table1inClassificationD4000liststheASTMmaterialsstandardsthatcurrentlyexist.Tensilepropertiesmayvarywithspecimenpreparation,testspeed,andenvironmentoftesting.Consequently,whereprecisecomparativeresultsaredesired,thesefactorsmustbecarefullymonitoredandcontrolled.Itisrealizedthatamaterialcannotbetestedwithoutalsotestingthemethodofpreparationofthatmaterial.Hence,whencomparativetestsofmaterialsaredesired,thecaremustbeexercisedtoensurethatallsamplesarepreparedinexactlythesameway,unlessthetestistoincludetheeffectsofsamplepreparation.Similarly,forrefereepurposesorcomparisonswithinanygivenseriesofspecimens,caremustbetakentosecurethemaximumdegreeofuniformityindetailsofpreparation,treatment,andhandling.Note28212;Tensilepropertiesmayprovideusefuldataforplasticsengineeringdesignpurposes.However,becauseofthehighdegreeofsensitivityexhibitedbymanyplasticstorateofstrainingandenvironmentalconditions,dataobtainedbythistestmethodcannotbeconsideredvalidforapplicationsinvolvingload-timescalesorenvironmentswidelydifferentfromthoseofthistestmethod.Incasesofsuchdissimilarity,noreliableestimationofthelimitofusefulnesscanbemadeformostplastics.Thissensitivitytorateofstrainingandenvironmentnecessitatestestingoverabroadload-timescaleandrangeofenvironmentalconditionsiftensilepropertiesaretosufficeforengineeringdesignpurposes.1.1Thistestmethodcoversthedeterminationofthetensilepropertiesofnonreinforcedgeomembranesintheformofstandarddumbbell-shapedtestspecimenswhentestedunderdefinedconditionsofpretreatment,temperature,andmachinespeed.1.2Thistestmethodcanbeusedfortestingmaterialsthicknessbetween0.25mm(0.010in.)and6.3mm(0.25in.).Note18212;Thistestmethodisnotintendedtocoverprecisephysicalprocedures.Theconstantrateofcrossheadmovementofthistestlacksaccuracyfromatheoreticalstandpoint.Awidedifferencemayexistbetweentherateofcrossheadmovementandtherateofstrainofthespecimenindicatingthatthetestingspeedsspecifiedmaydisguiseimportanteffectsorcharacteristicsofthesematerialsintheplasticstate.Further,itisrealizedthatvariationsinthethicknessesoftestspecimens,aspermittedbythistestmethod,producevariationsinthesurface-volumeratiosofsuchspecimens,andthatthesevariationsmayinfluencethetestresults.Hence,wheredirectlycomparableresultsaredesired,allsamplesshouldbeofequalthickness.Specialadditionaltestsshouldbeusedwheremoreprecisephysicaldataareneeded.1.3Testdataobtainedbythistestmethodarerelevantandmaybeappropriateforuseinengineeringdesignwithconsiderationoftestconditionsascomparedwithin-serviceconditions.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwit......
【中国标准分类号】:G32
【国际标准分类号】:59_080_70
【页数】:5P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 组合夹具通用件 销轴 |
| 中标分类： |
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| 发布日期： | 1995-12-13 |
| 实施日期： | 1996-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 1页 |
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