ANSI Z21.24-1993 气体器具的金属连接器
时间:2024-05-11 22:03:27 来源: 标准资料网 作者：标准资料网 阅读：9991
【英文标准名称】:Metalconnectorsforgasappliances
【原文标准名称】:气体器具的金属连接器
【标准号】:ANSIZ21.24-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:金属;连接器;燃气管;管联接器;燃气管路;规范(批准);配件;燃气器具;波管系统;特色;试验;试验;定义;管连接件;规范(验收)
【英文主题词】:specification(approval);pipecouplings;fittings;connectors;gascircuits;corrugatedpipesystems;testing;metals;gaspipes;definitions;features;gasappliances
【摘要】:
【中国标准分类号】:Q82
【国际标准分类号】:27_060_20
【页数】:29P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforGreenStrengthofSpecimensCompactedfromMetalPowders
【原文标准名称】:金属粉末密压试样未烧结强度的标准试验方法
【标准号】:ASTMB312-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:B09.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:恒定负载光束设备;湿强度;粉末冶金;横向强度;未烧结强度;铝合金管;铝管;紧密金属试样;金属粉末;断裂/断裂强度;强度;横向断裂强度
【英文主题词】:constantloadingbeamdevice;greenstrength;PM;powdermetallurgy;transversestrength;unsinteredcompact;Aluminumalloys(tube);Aluminumtube;Compactedmetalspecimens;Greenstrength;Metalpowders;Rupture/rupturestrength;Strength;Transve
【摘要】:5.1Thegreenstrengthvaluedeterminedundertheconditionsspecifiedbythistestmethodisinfluencedbythecharacteristicsofthepowder,howitcompactsunderthespecifiedconditions(i.e.,theparticletoparticlebondingthatexistsfollowingcompacting),andthelubricationsystemused.5.2Knowledgeofthegreenstrengthvalueisusefultotheproduction,characterizationandutilizationofmetalpowdersinthemanufactureofPMstructuralpartsandbearings.Thetestforgreenstrengthofacompactedmetalpowdercanbeusedto:Relatetheresistanceofapressedcompacttobreakageordamageduetohandling.Comparethequalityofametalpowderorpowdermixturefromlottolot.Determinetheeffectoftheadditionofalubricantorotherpowderstoabasepowder.Evaluatepowdermixingorblendingvariables.nbsp;nbsp;nbsp;Factorsthatareknowntoinfluencethegreenstrengthofametalpowderareparticleshape,particlesizedistributionandcompressibilityofthemetalpowder.5.5Theamountandtypeoflubricantorotheradditivesandthemixingprocedureshaveastrongeffectonthegreenstrengthofspecimensproducedfrommetalpowdermixtures.1.1Thisstandardcoversatestmethodthatmaybeusedtomeasurethetransverserupturestrengthofacompactedbutunsintered(green)testspecimenproducedfromlubricatedorunlubricatedmetalpowdersorpowdermixtures.1.2Greenstrengthismeasuredbyaquantitativelaboratoryprocedureinwhichthefracturestrengthiscalculatedfromtheforcerequiredtobreakanunsinteredtestspecimensupportedasasimplebeamwhilesubjectedtoauniformlyincreasingthree-pointtransverseloadundercontrolledconditions.1.3ThistestmethodisacompanionstandardtoTestMethodB528thatcoversthemeasurementofthetransverserupturestrengthofsinteredPMtestspecimens.1.4Withtheexceptionofdensityvalues,forwhichtheg/cm3unitistheindustrystandard,andmassmeasurementsusedtocalculatedensity,thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIequivalentsshowninparentheseshavebeenconvertedinaccordancewithIEEE/ASTMStandardSI10,maybeapproximateandareonlyincludedforinformation.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.^REFERENCE:ASTMStandards:B215PracticesforSamplingMetalPowdersB243TerminologyofPowderMetallurgyB528TestMethodforTransverseRuptureStrengthofMetalPowderSpecimensB925PracticesforProductionandPreparationofPowderMetallurgyx00028;PMx00029;TestSpecimensB962TestMethodsforDensityofCompactedorSinteredPowderMetallurgyx00028;PMx00029;ProductsUsingArchimedesx02019;PrincipleE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod【英文标准名称】:Semiconductordevices-Mechanicalandclimatictestmethods-Part25:temperaturecycling.
【原文标准名称】:半导体器件.机械和气候试验方法.第25部分:温度循环
【标准号】:NFC96-022-25-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-12-01
【实施或试行日期】:2003-12-20
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:L40
【国际标准分类号】:31_080_01
【页数】:15P;A4
【正文语种】:其他