MIL-PRF-83990A
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来源:标准资料网
MIL-PRF-83990A, PERFORMANCE SPECIFICATION, OVEN, THERMAL DRYING, ELECTRIC (24 FEB 1997) [SUPERSEDING MIL-O-83990]., This specification covers general purpose, electrically heated thermal drying ovens for use in various heating, drying, and baking operations.
【英文标准名称】:Advancedtechnicalceramics-Monolithicceramics-Generalandtexturalproperties-Determinationofthepresenceofdefectsbydyepenetrationtests
【原文标准名称】:高技术陶瓷.整体陶瓷的一般和纹理特性.第1部分:用着色渗透法测定缺陷
【标准号】:BSEN623-1-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-08-15
【实施或试行日期】:1995-08-15
【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】:染料;特种陶瓷;渗透探伤;探伤;无损检验;报告;试样制备;试样;缺陷与故障;陶瓷
【英文主题词】:
【摘要】:ThisPartofEN623describesqualitativemethodsfordeterminationofthepresenceofdefectsinadvancedmonolithictechnicalceramicsbydyepenetrationtests.Theresultsarereportedasvisualobservationsofdyepenetration.Threemethodsaredescribed.-MethodA:Afuchsinedyetest(see5.1)whichissuitableforwhiteorpalecolouredceramicproducts,performedusinganevacuationtechnique.-MethodB:Afluorescentdyetest(see5.2)whichissuitableparticularlyforthoseproductswherethepurplefuchsinehasinsufficientvisualcontrastwiththeceramic,performedusingaproprietarytestkit.-MethodC:Afuchsinedyetest(see5.3)whichisperformedbysimpleimmersioninorsprayingwithadyesolution,suitableforroutinetestingformajordefects.NOTE1.Itisimportanttonotethatthesemethodsallowonlycertaintypesofdefectstobedetected.Defectswhicharenotrevealedbythesemethods,butwhichmayinfluencepropertiesandperformanceincludecracksorporesnotconnectedtothesurface,inclusions,certaintypesofgrindingdamage,andresidualstresses.NOTE2.Interpretationofresultsmaybecomemoredifficultwithincreasingporosityofthetestpieces.NOTE3.GeneralprinciplesofdyepenetrationtestsmaybefoundinEN571-1.Atestsuitableforhigh-voltageinsulatorsusinghigh-pressuredyepenetrationiscitedinIEC672.Thistestismoresearchingforopenporositythananyoftheabovemethods.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Mechanicalpropertiesoffasteners;part5,setscrewsandsimilarthreadedfastenersnotundertensilestresses
【原文标准名称】:紧固件的机械性能.第5部分:不受拉伸应力的紧定螺钉和类似的螺纹紧固件
【标准号】:DINISO898T.5-1980
【标准状态】:作废
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【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
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