JB/T 5968-1991 液粘调速器 型式与基本参数
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基本信息
标准名称: | 液粘调速器 型式与基本参数 |
中标分类: |
机械 >>
通用零部件 >>
联轴器、制动器与变速器 |
替代情况: | 被JB/T 5968-2008代替 |
发布日期: | 1991-12-11 |
实施日期: | 1992-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 2008-09-01 |
归口单位: | 北京起重运输机械研究所 |
出版日期: | 1900-01-01 |
页数: | 6 页 |
批文号: | 机电科标[1991]2122号 |
适用范围
本标准规定了液粘调速器的术语、代号、型式和基本参数。
前言
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目录
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引用标准
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所属分类: 机械 通用零部件 联轴器 制动器与变速器
【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(2008)
【标准状态】:现行
【国别】:美国
【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(US-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;Coatingadhesion;Cohesivestrength;Flame-sprayedcoatings;Metalliccoatings;Strength
【摘要】:Thistestmethodisrecommendedforqualitycontrol,acceptancetesting;oritmayhelptodeveloporqualifyathermalsprayoperator''sequipmentandprocedureortoaidindevelopingthermalspraycoatingswithimprovedadhesionandintegrity.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.Note18212;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】:英语
【英文标准名称】:Methodsoftestforprintinginks(resistanceofprintstovariousphysicalandchemicalagents)
【原文标准名称】:印刷油墨的试验方法(涂料的耐各种物理和化学剂性能)
【标准号】:BS4321-1969
【标准状态】:作废
【国别】:英国
【发布日期】:1969-03-31
【实施或试行日期】:1969-03-31
【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】:环境试验;防水试验;耐碱试验;印刷油墨;色牢度试验;耐油试验;香料;印刷;耐化学性试验;蜡;肥皂;墨水;耐溶剂试验;洗涤剂;食用油;乳酪;印刷材料;试样制备;试验设备;脂肪
【英文主题词】:
【摘要】:
【中国标准分类号】:A17
【国际标准分类号】:87_080
【页数】:42P;A4
【正文语种】:英语