ASTM D 1784-1992 硬质聚氯乙烯化合物和氯化聚氯乙烯化合物

上一篇: ASTM D 2109-1992 卤化有机溶剂及其混合物中不挥发物质的测试方法
下一篇: ASTM D 1746-1992 塑料薄板透明度的试验方法

【英文标准名称】:Railwayapplications-Track-Qualificationsystemforrailwaytrackworkcontractors.
【原文标准名称】:铁路设施.轨道.铁轨承包商人的资格鉴定系统
【标准号】:NFF58-969-2007
【标准状态】:现行
【国别】:法国
【发布日期】:2007-02-01
【实施或试行日期】:2007-02-20
【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】:验收(鉴定);验收规范;建筑企业;建筑工程;施工作业;定义;企业;评定;维修;方法;永存性道路;规程;铁路设施;铁路建造;铁路设备;铁路;检修;规范(验收);试验;轨道(物料装卸设备);培训
【英文主题词】:
【摘要】:
【中国标准分类号】:S11
【国际标准分类号】:03_120_10;93_100
【页数】:50P;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforShearTestingofAluminumandAluminum-AlloyRivetsandCold-HeadingWireandRods
【原文标准名称】:铝和铝合金铆钉及冷镦头丝与棒材的剪切试验的标准试验方法
【标准号】:ASTMB565-2004(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】:B07.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:doubleshearloading;sheartestdevice;shearaluminumrivet;Aluminum;Aluminumalloys(rod);Aluminumalloys(wire);Rivets;Sheartesting--aluminumalloys;Wire
【摘要】:Thistestmethodisintendedsolelyforthesheartestingofrivetsandcold-headingwireandrod,andisnotgenerallyrecommendedforthedeterminationoftheshearstrengthofotherproducts.Forrivets,thismethodislimitedtorivetshavingashanklengthequaltoorgreaterthan2d.Note28212;Theresultsofsheartestsofspecimensmachinedfromproductsotherthanwire,rod,andrivetsmaybegreatlydependentupontheorientationofthespecimenwithintheoriginaltestmaterial,andthedirectioninwhichtheforceisappliedrelativetothegrainflowinthespecimen.ItisrecommendedthatshearstrengthsofotherproductsbedeterminedbyTestMethodB769forproductsgreaterthan0.250in.(6.4mm)andTestMethodB831forproductslessthan0.250in.(6.4mm).Shearstrengthsdevelopedbythistestmethodhavebeenshowntovaryfromthosedevelopedbyothermethods.IfTestMethodB565isusedforsheartestingofotherproducts,variablessuchasthosedescribedinTestMethodB769shouldbeidentifiedandcontrolled.Theresultsofsheartestsaredependentupontherelativeandabsolutelengthsofspecimenwhichareshearedout,andthosewhicharesupported.Theresultsoftestsmadeinaccordancewiththismethodshouldnotbedirectlycomparedwiththosedeterminedinothertypesoftestsinwhichthemethodsofloadingandsupportingthespecimenaredifferent.1.1Thistestmethodcoversthedoublesheartestingofaluminumandaluminumalloyrivetswithround,solidshanksandcold-headingwireandrod.Note18212;Exceptionstothistestmethodmaybenecessaryinindividualspecificationsormethodsfortestsforaparticularmaterial.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H23
【国际标准分类号】:77_150_30
【页数】:3P.;A4
【正文语种】:英语