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ASTM B557M-2010 锻造和铸造铝-镁合金产品抗拉性能的标准试验方法[米制]

作者:标准资料网 时间:2024-05-13 23:18:02  浏览:8653   来源:标准资料网
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【英文标准名称】:StandardTestMethodsforTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProducts[Metric]
【原文标准名称】:锻造和铸造铝-镁合金产品抗拉性能的标准试验方法[米制]
【标准号】:ASTMB557M-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】:B07.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:elongation;strain;stress;tensilestrength;tensiletesting;yieldstrength;Aluminumalloys;Elongation--metallicmaterials;Magnesiumalloycastings;Tensileproperties/testing--metallicmaterials;Yieldstrengthandyieldpoint
【摘要】:Tensiontestsprovideinformationonthestrengthandductilityofmaterialsunderuniaxialtensilestresses.Thisinformationmaybeusefulincomparisonsofmaterials,alloydevelopment,qualitycontrol,anddesignundercertaincircumstances.Theresultsoftensiontestsofspecimensmachinedtostandardizeddimensionsfromselectedportionsofapartormaterialmaynottotallyrepresentthestrengthandductilitypropertiesoftheentireendproductoritsin-servicebehaviorindifferentenvironments.Thesetestmethodsareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsandhavebeenusedextensivelyinthetradeforthispurpose.1.1Thesetestmethodscoverthetensiontestingofwroughtandcastaluminum-andmagnesium-alloyproducts,exceptingaluminumfoil,andarederivedfromTestMethodsE8M,whichcoverthetensiontestingofallmetallicmaterials.Note18212;ThesemetrictestmethodsaretheequivalentsofthoseinTestMethodsB557,andarecompatibleintechnicalcontentexceptfortherequirementoflongergagelengthsforroundspecimens.Note28212;Exceptionstotheprovisionsofthesetestmethodsmayneedtobemadeinindividualspecificationsortestmethodsforaparticularmaterial.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H61
【国际标准分类号】:77_150_20
【页数】:15P.;A4
【正文语种】:英语


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【英文标准名称】:Medicalelectricalequipment-Part1-10:Generalrequirementsforbasicsafetyandessentialperformance-CollateralStandard:Requirementsforthedevelopmentofphysiologicclosed-loopcontrollers
【原文标准名称】:医用电气设备.第1-10部分:基本安全和基本性能的一般要求.补充标准:生理闭环控制器开发的要求
【标准号】:IEC60601-1-10-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC62A
【标准类型】:()
【标准水平】:()
【中文主题词】:特点;闭合;控制器;定义;电器;电气工程;电疗设备;电疗;设备;使用说明;做标记;医疗设备;医疗科学;医疗技术;生理的;生理特性;安全;安全设备;信号;规范(验收);测试
【英文主题词】:Characteristics;Closedloop;Controllers;Definitions;Electricappliances;Electricalappliances;Electricalengineering;Electricalmedicalequipment;Electromedicine;Equipment;Instructionsforuse;Marking;Medicalequipment;Medicalsciences;Medicaltechnology;Physiological;Physiologicalproperty;Safety;Safetydevices;Safetyrequirements;Signals;Specification(approval);Testing
【摘要】:ThisInternationalStandardappliestotheBASICSAFETYandESSENTIALPERFORMANCEofMEDICALELECTRICALEQUIPMENTandMEDICALELECTRICALSYSTEMS,hereafterreferredtoasMEEQUIPMENTandMESYSTEMS.Thiscollateralstandardspecifiesrequirementsforthedevelopment(analysis,design,VERIFICATIONandVALIDATION)ofaPHYSIOLOGICCLOSED-LOOPCONTROLLER(PCLC)aspartofaPHYSIOLOGICCLOSED-LOOPCONTROLSYSTEM(PCLCS)inMEEQUIPMENTandMESYSTEMStocontrolaPHYSIOLOGICVARIABLE.NOTEAPHYSIOLOGICVARIABLEcanbeabodychemistry(e.g.electrolytes,bloodglucose),aphysicalproperty(e.g.PATIENTtemperature,electrophysiologic,hemodynamic),orapharmaceuticalconcentration.ThiscollateralstandardappliestovarioustypesofPCLC,e.g.linearandnon-linear,adaptive,fuzzy,neuralnetworks.Thiscollateralstandarddoesnotspecify:?additionalmechanicalrequirements;or?additionalelectricalrequirements.Thiscollateralstandardappliestoaclosed-loopcontroller(seeFigure1)thatsetstheCONTROLLEROUTPUTVARIABLEinordertoadjust(i.e.,changeormaintain)themeasuredPHYSIOLOGICVARIABLEbyrelatingittotheREFERENCEVARIABLE.Aclosed-loopcontrollerthatmaintainsaphysicalorchemicalVARIABLE,usingfeedbackthatisnotmeasuredfromaPATIENT,isoutsidethescopeofthisstandard.
【中国标准分类号】:C37
【国际标准分类号】:11_040;11_040_55
【页数】:79P;A4
【正文语种】:英语


【英文标准名称】:ElectricLamps-175-Watt,M57Single-EndedMetal-HalideLamps-Specifications
【原文标准名称】:电灯.175瓦M57单端金属卤化物灯.规范
【标准号】:ANSIC78.1377-1990
【标准状态】:作废
【国别】:美国
【发布日期】:1990
【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】:卤素灯;灯
【英文主题词】:halogenlamps;lamps
【摘要】:
【中国标准分类号】:K71
【国际标准分类号】:29_140_30
【页数】:8P;A4
【正文语种】:英语



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