SAE AMS6523 Steel Sheet, Strip, and Plate, 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C), Vacuum Consumable Elec
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来源:标准资料网
Product Code:SAE AMS6523
Title:Steel Sheet, Strip, and Plate, 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C), Vacuum Consumable Electrode Melted, Annealed
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a premium aircraft-quality, low-alloy steel in the form of sheet, strip, and plate.
【英文标准名称】:Electricalsafetyinlowvoltagedistributionsystemsupto1000Va.c.and1500Vd.c.Equipmentfortesting,measuringormonitoringofprotectivemeasures-Resistanceofearthconnectionandequipotentialbonding
【原文标准名称】:不超过交流1000V和直流1500V的低压配电系统电气安全性.防护测试、测量或监测设备.接地和等势屏蔽接地阻抗
【标准号】:BSEN61557-4-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-07-15
【实施或试行日期】:1997-07-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:防护电气设备;接地导线;试验设备;导电体;数学计算;电气安全;电学测量仪表;电阻测量;安全装置;低压电器;电位测量法;低电压;电压测量;电气保护设备;接线端;作标记;误差
【英文主题词】:
【摘要】:TobereadinconjunctionwithBSEN61557-1:1997
【中国标准分类号】:K31
【国际标准分类号】:17_220_20
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingtheEffectofRandomFrequencyVibrationonaMembraneSwitchorMembraneSwitchAssembly
【原文标准名称】:在薄膜开关或薄膜开关组合上检测射频振动影响的标准试验方法
【标准号】:ASTMF2187-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:F01.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:contactclosure;frequency;membraneswitch;vibration
【摘要】:Vibrationencounteredinthefieldisusuallyrandominnatureandthistestcanbeusedtodeterminetheeffectsofrandomexcitationonthemembraneswitch.Randomvibrationcancausemechanicalfatigueandfailurebyswitchcomponentseitherlooseningorotherwisechangingovertime.Experiencehasshownthatthistestwillexposepotentialfailuresassociatedwiththeelectroniccomponentsofamembraneswitch,wheretestsoflowerlevelswillnot.Thispracticecanbeusedtoqualifyamembraneswitchforaerospace,medicalandotherapplications.Thistestispotentiallydestructive,intendedfordevicequalification.1.1Thistestmethodestablishesproceduresfordeterminingtheeffectofrandomvibration,withinthespecifiedfrequencyrange,onswitchcontacts,mountinghardware,adheredcomponentparts,solderorheatstakes,tactiledevices,andcableorribboninterconnectsassociatedwithamembraneswitchormembraneswitchassembly.
【中国标准分类号】:K31
【国际标准分类号】:29_120_40
【页数】:2P.;A4
【正文语种】:
