热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ANSI/EIA-540J000-2000 电子设备用蓄电池座分规范

作者:标准资料网 时间:2024-05-17 10:53:01  浏览:9290   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:SectionalSpecificationforBatteryHoldersforUseinElectronicEquipment
【原文标准名称】:电子设备用蓄电池座分规范
【标准号】:ANSI/EIA-540J000-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电子工程;电子设备及元件;蓄电池组;规范;夹(架)
【英文主题词】:Batteries;Electronicengineering;Electronicequipment;Electronicequipmentandcomponents;Electronicproducts;Holders;Mechanical;Sectionalspecification;Specification
【摘要】:Providesameansofinterchangeabilitybetweenqualifieddevicesandcompatibilitybetweentheboardandthebatteryholderandtoprovidestandardtestmethods,gaugesandperformancerequirements.
【中国标准分类号】:L24
【国际标准分类号】:31_240
【页数】:
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforAdhesionorCohesionStrengthofThermalSprayCoatings
【原文标准名称】:热喷涂层的粘附力或粘结强度的标准试验方法
【标准号】:ASTMC633-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:B08.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:adhesionstrength;cohesionstrength;fracturelocus;thermalspraycoatings;
【摘要】:Thistestmethodisrecommendedforqualitycontrol,acceptancetesting;oritmayhelptodeveloporqualifyathermalsprayoperator’equipmentandprocedureortoaidindevelopingthermalspraycoatingswithimprovedadhesionandintegrity.Thistestmethodisusefulforcomparingadhesionorcohesionstrengthsofcoatingsofsimilartypesofthermalspraymaterials.Thetestshouldnotbeconsideredtoprovideanintrinsicvaluefordirectuseinmakingcalculations,suchastodetermineifacoatingwillwithstandspecificenvironmentalstresses.Becauseofresidualstressesinthermalspraycoatings,actualstrengthdependsupontheshapeoftheparticularcoatedpart.Also,inuse,acoatingmaybestressedinamorecomplexmannerthanispracticalforastandardtest.1.1Thistestmethodcoversthedeterminationofthedegreeofadhesion(bondingstrength)ofacoatingtoasubstrateorthecohesionstrengthofthecoatinginatensionnormaltothesurface.Thetestconsistsofcoatingonefaceofasubstratefixture,bondingthiscoatingtothefaceofaloadingfixture,andsubjectingthisassemblyofcoatingandfixturestoatensileloadnormaltotheplaneofthecoating.Itisadaptedparticularlyfortestingcoatingsappliedbythermalspray,whichisdefinedtoincludethecombustionflame,plasmaarc,two-wirearc,high-velocityoxygenfuel,anddetonationprocessesforsprayingfeedstock,whichmaybeintheformof,wire,rod,orpowder.Note1--Thermalspraycoatingmaterialsincludeceramics,suchasmetaloxidesorcarbides,andmetals.Insomecases,acoatingisformedofdifferentspraymaterials,suchasanoxidelayersprayedontoasprayedmetal-bondinglayer.Thesubstrategenerallyisametal,butmaybeaceramic,suchasanoxideorgraphite.1.2Usuallythistestmethodisperformedatambienttemperature.Highertemperaturetestingisrestrictedbytheneedforasuitableadhesivebondingagent.Forcertainfundamentalinvestigations,itissuggestedthatverylow(cryogenic)temperaturebeused.1.3Thistestmethodislimitedtotestingthermalspraycoatingsthatcanbeappliedinthicknessgreaterthan0.015in.(0.38mm).Thelimitationisimposedbecauseanadhesivebondingagentisusedinthetest.Thosebondingagentsestablishedsofarforthismethodtendtopenetratethermalspraycoatingsandmayinvalidateresultsunlessthecoatingsarethickenoughtopreventpenetrationthroughthecoating.Furtherdevelopmentmayestablishthatthinlayersofcertaintypesofespeciallydensecoatingsmaybetestedsatisfactorily.Alternatively,newadhesivebondingagentsthatwouldallowreductionoftheminimumthicknesslimitationmaybecomeavailable.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthlimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:7P.;A4
【正文语种】:



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1