SJ 2425-1983 金属细丝拉伸试验方法

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基本信息
标准名称:金属细丝拉伸试验方法
英文名称:Methods for tensile testing of fine metal wires
中标分类: 综合 >> 标准化管理与一般规定 >> 技术管理
发布日期:1983-12-05
实施日期:1984-10-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:2页
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所属分类: 综合 标准化管理与一般规定 技术管理
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【英文标准名称】:Aerospaceseries-Non-metallicmaterials-Structuraladhesives-Testmethod-Part1:singlelapshear.
【原文标准名称】:航空航天系列.非金属材料.建筑粘合剂.试验方法.第1部分:单面搭接剪切
【标准号】:NFL17-300-1-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-03-01
【实施或试行日期】:2006-03-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:胶粘剂;航空航天运输;航空运输;建筑力度;胶接;材料;金属;非金属的;航天运输;材料强度;抗拉试验;试样;试验
【英文主题词】:Adhesives;Aerospacetransport;Airtransport;Bindingstrength;Bonding;Materials;Metals;Nonmetallic;Spacetransport;Strengthofmaterials;Tensiletesting;Testspecimens;Testing
【摘要】:
【中国标准分类号】:V13
【国际标准分类号】:49_025_50
【页数】:24P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforX-RayRadiographyofSoilSamples
【原文标准名称】:土壤样品的X射线照相术的标准实施规程
【标准号】:ASTMD4452-2006
【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】:D18.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;工艺;辐射摄影术;土壤;试样;X射线分析
【英文主题词】:X-rays;sampledisturbance;samples;soilinvestigations;undisturbedsamples
【摘要】:1.1ThispracticecoversthedeterminationofthequalityofsoilsamplesinthinwalltubesorofextrudedcoresbyX-rayradiography.1.2ThispracticeenablestheusertodeterminetheeffectsofsamplingandnaturalvariationswithinsamplesasidentifiedbytheextentoftherelativepenetrationofX-raysthroughsoilsamples.1.3ThispracticecanbeusedtoX-raycores(orobservetheirfeaturesonafluoroscope)inthinwalltubesorlinersrangingfromapproximately2to6in.(51to152mm)indiameter.X-raysofsamplesinthelargerdiametertubesprovidearadiographofmajorfeaturesofsoilsanddisturbances,suchaslargescalebendingofedgesofvarvedclays,shearplanes,thepresenceoflargeconcretions,siltandsandseamsthickerthan1/4in.(6.4mm),largelumpsoforganicmatter,andvoidsorothertypesofintrusions.X-raysofthesmallerdiametercoresprovidehigherresolutionofsoilfeaturesanddisturbances,suchassmallconcretions(1/8in.(3.2mm)diameterorlarger),solutionchannels,slightbendingofedgesofvarvedclays,thinsiltorsandseams,narrowsolutionchannels,plantrootstructures,andorganicmatter.TheX-rayingofsamplesinthinwalltubesorlinersrequiresminimalpreparation1.4GreaterdetailandresolutionofvariousfeaturesofthesoilcanbeobtainedbyX-rayingofextrudedcores,ascomparedtosamplesinmetaltubes.ThemethodusedforX-rayingcoresisthesameasthatfortubesandliners,exceptthatextrudedcoreshavetobehandledwithextremecareandhavetobeplacedinsampleholders(similartoFig.2)beforeX-raying.Thispracticeshouldbeusedonlywhennaturalmoistureorotherundisturbedsoilcharacteristicsareirrelevanttotheenduseofthesample.1.4.1Oftenitisnecessarytoobtaingreaterresolutionoffeaturestodeterminetheproprietyofsamplingmethods,therepresentativenatureofsoilsamples,oranomaliesinsoils.ThispracticerequiresthateitherduplicatesamplesbeobtainedoralreadytestedspecimensbeX-rayed.1.5ThispracticecanonlybeusedtotheirfullestextentafterconsiderableexperienceisobtainedthroughmanydetailedcomparisonsbetweentheX-rayfilmandthesampleX-rayed.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIvaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.7Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaprojectsmanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionstatements,seeSection6.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:14P.;A4
【正文语种】: