标准名称：	铝型材剂压模结构与技术条件
中标分类：	机械 >> 工艺装备 >> 模具
发布日期：	1993-07-27
实施日期：	1994-07-01
首发日期：	1900-01-01
作废日期：	1900-01-01
归口单位：	北京机电所
出版日期：	1900-01-01
页数：	6 页

本标准规定了铝型材挤压模的结构尺寸和制造精度、热处理、表在处理等通用技术条件。

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【英文标准名称】:StandardTestMethodsforEvaluatingConnectabilityCharacteristicsofElectricalConductorMaterials
【原文标准名称】:电导体材料连接特性评估的标准试验方法
【标准号】:ASTMB896-2010e1
【标准状态】:现行
【国别】:
【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】:B02.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:可连接性;触点电阻;蠕变;导体;微动灵敏度;应力松弛;接触电阻;应力松弛试验
【英文主题词】:connectability;contactresistance;creep;electricalconductor;frettingsensitivity;stressrelaxation;Contactresistance;Stressrelaxationtests
【摘要】:Thesetestmethodsdevelopcomparativeinformationusefulforthedesignofstationarycontactsforwire,cable,andotherconductors.Thesetestmethodsproduceresults,whicharefreeoftheinfluenceofarbitraryconnectionsystems.Theinfluenceofconductorsurfacepretreatmentsandplatingscanbeevaluatedbythesetestmethods.Theinfluenceofenvironmentalfactors,suchashightemperatureandcorrosiveenvironmentcanbeevaluatedbythesetestmethods.Theresultsobtainedbythesetestmethodsprovideguidanceonconnectionsystemdesignparameters,suchascontactforceandgastightnessrequirements.1.1Thesetestmethodsdefineproceduresfortherelativecharacterizationofconductormaterialconnectabilityonthebasisofmeasurementsofparametersimportanttothedesignandperformanceofelectricalcontactsandconnectionstoandwithsuchconductorsforbothpowerandsignalapplications.1.2Theparametersmeasuredarecontactresistanceasafunctionofcontactforce,frettingsensitivity,andcompressiverelaxation.1.3Provisionismadeformeasurementoftheconnectabilityparametersatelevatedtemperature,orcorrosiveambient,orboth,asmayberequiredforevaluationforparticularapplications.1.4Thesetestmethods,usingstandardizedspecimengeometryandprocedures,areapplicabletoconductormaterialsasemployedinanelectricalsystemandmaybeadaptedforevaluationofconnectabilityofmaterialsintheformofactualconnectionsystemcomponents.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K10
【国际标准分类号】:29_050
【页数】:6P.;A4
【正文语种】: