HB/Z 5087.3-2004 酸性电镀铜溶液分析方法第3部分:电位滴定法测定硫酸的含量
时间:2024-04-29 05:19:55 来源: 标准资料网 作者：标准资料网 阅读：9708
基本信息
| 标准名称： | 酸性电镀铜溶液分析方法第3部分:电位滴定法测定硫酸的含量 |
| 英文名称： | Methods for analysis of acid plating copper solutions part 3:Determination of sulphuric acid content by potentiometric titrimetric method |
| 中标分类： |
综合 >>
基础标准 >>
材料防护 |
| ICS分类： |
机械制造 >>
表面处理和涂覆 >>
金属镀层
|
| 替代情况： | HB/Z 5087-1978 |
| 发布日期： | 2004-03-16 |
| 实施日期： | 2004-06-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 4页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 综合 基础标准 材料防护 机械制造 表面处理和涂覆 金属镀层
Product Code:SAE AMS5743
Title:Steel, Corrosion and Heat-Resistant, Bars and Forgings 15.5Cr - 4.5Ni - 2.9Mo - 0.10N Solution Heat Treated, Sub-Zero Cooled, Equalized, and Over-Tempered
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant steel in the form of bars, forgings, and forging stock.【英文标准名称】:Advancedtechnicalceramics-Monolithicceramics-Generalandtexturalproperties-Part5:Determinationofphasevolumefractionbyevaluationofmicrographs;EnglishversionofDINEN623-5:2009-10
【原文标准名称】:先进技术陶瓷.单片陶瓷.一般和结构特性.第5部分:利用显微图像评估法测定相体积分数,德文版本EN623-5:2009
【标准号】:DINEN623-5-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-10
【实施或试行日期】:
【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】:Advancedtechnicalceramics;Blankforms;Ceramics;Definitions;Determination;Forms(paper);Fractions;Grainsize;Instruments;Materialstesting;Mathematicalcalculations;Measurement;Measuringtechniques;Micrographics;Microstructure;Monolithicmaterials;Particlesizeanalysis;Photomicrography;Properties;Quality;Specimenpreparation;Structure;Testequipment;Testing
【摘要】:ThisparofEN623specifiesamanualmethodofmakingmeasurementsforthedeterminationofvolumefractionofmajorphasesinadvancedtechnicalceramicsusingmicrographsofpolishedandetchedsections,overlayingasquaregridoflinesandcountingthenumberofintersectionslyingovereachphase,NOTE1Thismethodassumesthatthetruephasevolumefractionsareequivalenttoareafractionsonarandomlycutcross-sectionaccordingtostereologicalprinciples,NOTE2GuidelinesforpolishingandetchingofadvancedtechnicalceramicscanbefoundinAnnexesAandB,Themethodappliestoceramicswithoneormoredistinctsecondaryphases,suchasfoundinAl0/ZrO,Si/SiC,orAl0SiC.Ifthetestmaterialcontainsdiscretepores,thesecanbetreatedasasecondaryphaseforthepurposeofthismethodprovidedthatthereisnoevidenceofgrainpluck-outduringpolishingbeingconfusedwithgenuinepores.NOTE3Ifthematerialcontainsmorethanabout20%porositythereisastrongriskthatthemicrostructurewillbedamagedduringthepolishingprocess,andmeasurementofvolumefractionofporesmaybecomemisleading.Secondaryphasevolumefractionsorporositypresentatlevelsoflessthan005aresubjecttoconsiderableerrorandpotentialscatterinresults,Alargernumberofmicrographsthantheminimumofthreeisnormallyneededtoimprovevtheconsistencyandaccuracyoftheresults,NOTE4Manyceramicscontainsmallamountsofsecondaryglassyphases.Inordertomakeareasonableestimateofglassyphasecontent,theglassmaterialbetweencrystallinegrainsshouldbereadilyobservable,andthusshouldbeatleast0,5μminwidth,ThemethodinthisEuropeanStandardisnotconsideredappropriatefornarrowglassyfilmsaroundgrainsThismethodassumesthattheselectedregionsofapreparedcross-sectionarestatisticallyrepresentativeofthewholesampledsection,NOTE5Microstructuresareseldomhomogeneous,andthephasecontentscanvaryfrommicrographtomicrograph.Itisessentialtosurveyasufficientlywideareaofthepreparedsectiontoensurethatthoseareasselectedforevaluationarerepresentativeanddonotcontaineye-catchingirregularities,SomeusersofthisEuropeanStandardcanwishtoapplyautomaticorsemiautomaticimageanalysistomicrographsordirectlycapturedmicrostructuralimages,ThisiscurrentlyoutsidethescopeofthisEuropeanStandardbutsomeguidelinesaregiveninAnnexC.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:20P.;A4
【正文语种】:英语