DIN 16963-1-1980 .1型和2型高密度聚乙烯压力管道用管连接件.对焊用弓形结构的管子弯头.尺寸

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【英文标准名称】:PipeJointsandElementsforHighDensityPolyethylene(HDPE)PressurePipelines,Types1and2;PipeBendsofSegmentalConstructionforButt-welding,Dimensions
【原文标准名称】:.1型和2型高密度聚乙烯压力管道用管连接件.对焊用弓形结构的管子弯头.尺寸
【标准号】:DIN16963-1-1980
【标准状态】:现行
【国别】:德国
【发布日期】:1980-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:弯管联接器;聚乙烯;管;尺寸;塑料;公差;管联接器;密度;焊接;压力管
【英文主题词】:density;pipes;polyethylene;dimensions;pipecouplings;bendcouplings;pressurepipes;tolerances(measurement);plastics;welding
【摘要】:Pipejointsandtheirelementsforpipesofhighdensitypolyethylene(HDPE)underpressure;type1and2,bendspre-fabricatedfromsegmentsforbuttwelding;dimensions
【中国标准分类号】:J15;G33
【国际标准分类号】:23_040_60
【页数】:3P;A4
【正文语种】:德语


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基本信息
标准名称:大型系列组合夹具压紧件 宽头叉形压板
中标分类: 航空、航天 >> 航空器与航天器制造用设备 >> 夹具
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:2页
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所属分类: 航空 航天 航空器与航天器制造用设备 夹具
【英文标准名称】:StandardTestMethodforVerifyingtheAlignmentofX-RayDiffractionInstrumentationforResidualStressMeasurement
【原文标准名称】:残余应力测量用X射线衍射仪校准检定的标准试验方法
【标准号】:ASTME915-2010
【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】:E28.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:alignment;residualstress;x-raydiffraction;Alignment;Instrumentalmeasurement--corrosion;Ironpowder;Metalsandmetallicmaterials;Misalignment;Precisioninstrumentation;Residualstress;Stress--metallicmaterials;Structuralmetals/alloys;V
【摘要】:ThistestmethodprovidesameansofverifyinginstrumentalignmentinordertoquantifyandminimizesystematicexperimentalerrorinX-raydiffractionresidualstressmeasurement.ThismethodissuitableforapplicationtoconventionaldiffractometersortoX-raydiffractioninstrumentationofeitherthedivergingorparallelbeamtypes.,Applicationofthistestmethodrequirestheuseofaflatspecimenofstress-freematerialthatproducesdiffractionintheangularregionofthediffractionpeaktobeusedforstressmeasurement.Thespecimenmustbesufficientlyfine-grainedandisotropicsothatlargenumbersofindividualcrystalscontributetothediffractionpeakproduced.Thecrystalsmustprovideintensediffractionatallanglesoftilt,x03C8;,whichwillbeemployed(seeNote1).Note18212;Completefreedomfrompreferredorientationinthestressfreespecimenis,however,notcriticalintheapplicationofthetechnique.1.1Thistestmethodcoversthepreparationanduseofaflatstress-freetestspecimenforthepurposeofcheckingthesystematicerrorcausedbyinstrumentmisalignmentorsamplepositioninginX-raydiffractionresidualstressmeasurement,orboth.1.2ThistestmethodisapplicabletoapparatusintendedforX-raydiffractionmacroscopicresidualstressmeasurementinpolycrystallinesamplesemployingmeasurementofadiffractionpeakpositioninthehigh-backreflectionregion,andinwhichthex03B8;,2x03B8;,andx03C8;rotationaxescanbemadetocoincide(seeFig.1).1.3Thistestmethoddescribestheuseofironpowderwhichhasbeeninvestigatedinround-robinstudiesforthepurposeofverifyingthealignmentofinstrumentationintendedforstressmeasurementinferriticormartensiticsteels.Toverifyinstrumentalignmentpriortostressmeasurementinothermetallicalloysandceramics,powderhavingthesameorlowerdiffractionangleasthematerialtobemeasuredshouldbepreparedinsimilarfashionandusedtocheckinstrumentalignment.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N78
【国际标准分类号】:19_100
【页数】:4P.;A4
【正文语种】:英语