GB/T 15154-1994 电子陶瓷用氧化铝粉体材料
时间:2024-05-10 09:38:14 来源: 标准资料网 作者:标准资料网 阅读:8728
基本信息
标准名称: | 电子陶瓷用氧化铝粉体材料 |
英文名称: | Alumina powders for use in electron ceramics |
中标分类: |
电子元器件与信息技术 >>
电子设备专用材料、零件、结构件 >>
电子技术专用材料 |
ICS分类: |
化工技术 >>
无机化学 >>
氧化物
|
发布部门: | 国家技术监督局 |
发布日期: | 1994-07-26 |
实施日期: | 1995-02-01 |
首发日期: | 1994-07-26 |
作废日期: | 1900-01-01 |
主管部门: | 信息产业部(电子) |
归口单位: | 信息产业部(电子) |
起草单位: | 北京第三无线电器材厂 |
出版社: | 中国标准出版社 |
出版日期: | 1900-01-01 |
页数: | 平装16开, 页数:6, 字数:7千字 |
适用范围
本标准规定了电子陶瓷用氧化铝粉体材料的分类、技术要求、试验方法、检验规则及标志、包装、运输、贮存。本标准适用于电子陶瓷用氧化铝粉体材料。
前言
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引用标准
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所属分类: 电子元器件与信息技术 电子设备专用材料 零件 结构件 电子技术专用材料 化工技术 无机化学 氧化物
【英文标准名称】:StandardPracticeforPlastics:DynamicMechanicalProperties:DeterminationandReportofProcedures
【原文标准名称】:塑料的标准实施规程:动态机械特性:程序测定和报告
【标准号】:ASTMD4065-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D20.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:测定;机械性能;塑料;工艺;特性;报告
【英文主题词】:dynamicmechanical;modulus;rheological;tandelta;viscoelastic
【摘要】:Dynamicmechanicaltestingprovidesamethodfordeterminingelasticandlossmoduliasafunctionoftemperature,frequencyortime,orboth.Aplotoftheelasticmodulusandlossmodulusofmaterialversustemperatureprovidesagraphicalrepresentationofelasticityanddampingasafunctionoftemperatureorfrequency.Thisprocedurecanbeusedtolocatetransitiontemperaturesofplastics,thatis,changesinthemolecularmotionsofapolymer.Inthetemperaturerangeswheresignificantchangesoccur,elasticmodulusdecreasesrapidlywithincreasingtemperature(atconstantornearconstantfrequency)orincreaseswithincreasingfrequency(atconstanttemperature).Amaximumisobservedforthelossmodulus,aswellasforthetandeltacurve,inthetransitionregion.Thisprocedurecanbeused,forexample,toevaluatebycomparisontoknownreferencematerialsorcontrolmaterials:5.3.1Degreeofphaseseparationinmulticomponentsystems,5.3.2Fillertype,amount,pretreatment,anddispersion,and5.3.3Effectsofcertainprocessingtreatment.Thisprocedurecanbeusedtodeterminethefollowing:5.4.1Stiffnessofpolymercomposites,especiallyasafunctionoftemperature,5.4.2Degreeofpolymercrystallinity,and5.4.3Magnitudeoftriaxialstressstateintherubberphaseofrubbermodifiedpolymers.Thisprocedureisusefulforqualitycontrol,specificationacceptance,andresearch.Proceduralmodificationsinmaterialspecificationstakeprecedencetothispractice.Therefore,consulttheappropriatematerialspecificationbeforeusingthispractice.Table1ofClassificationSystemD4000liststheASTMmaterialsstandardsthatcurrentlyexist.1.1Thispracticeisforgeneraluseingatheringandreportingdynamicmechanicaldata.Itincorporateslaboratorypracticefordeterminingdynamicmechanicalpropertiesofplasticspecimenssubjectedtovariousoscillatorydeformationsonavarietyofinstrumentsofthetypecommonlycalleddynamicmechanicalanalyzersordynamicthermomechanicalanalyzers.1.2Thispracticeisintendedtoprovidemeansofdeterminingthetransitiontemperatures,elastic,andlossmoduliofplasticsoverarangeoftemperatures,frequencies,ortime,byfreevibrationandresonantornonresonantforcedvibrationtechniques.Plotsofelasticandlossmoduliareindicativeoftheviscoelasticcharacteristicsofaplastic.Thesemoduliarefunctionsoftemperatureorfrequencyinplastics,andchangerapidlyatparticulartemperaturesorfrequencies.Theregionsofrapidmodulichangearenormallyreferredtoastransitionregions.1.3Thepracticeisprimarilyusefulwhenconductedoverarangeoftemperaturesfrom160Ctopolymerdegradationandisvalidforfrequenciesfrom0.01to1000Hz.1.4Thispracticeisintendedformaterialsthathaveanelasticmodulusintherangefrom0.5MPato100GPa[73psito1.5107psi].1.5Discrepanciesinresultsareknowntoarisewhenobtainedunderdifferingexperimentalconditions.Withoutchangingtheobserveddata,reportinginfull(asdescribedinthispractice)theconditionsunderwhichthedatawereobtainedwillenableapparentdifferencesobservedinanotherstudytobereconciled.Anassumptionofthistechniqueisthattestingisconductedintheregionoflinearviscoelasticbehavior.1.6Differentmodesofdeformation,suchastensile,bendingandshear,areused,aslistedinthereferencedtestmethods.1.7Testdataobtainedbythispracticearerelevantandappropriateforuseinengineeringdesign.1.8ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninbracketsaref......
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:StandardSpecificationforWroughtNitrogenStrengthened11Manganese-17Chromium-3MolybdenumLow-NickelStainlessSteelAlloyBarandWireforSurgicalImplants(UNSS29225)
【原文标准名称】:外科植入物用锻制氮增强的11锰-17铬-3钼低镍不锈钢合金棒材和金属丝的标准规范
【标准号】:ASTMF2581-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F04.12
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:合金;棒材;镍钢;氮;公共卫生;不锈钢;钢合金;棒钢材;钢;外科植入物;金属丝;可锻合金
【英文主题词】:low-nickel;manganese;metals(forsurgicalimplants);nitrogenstrengthened;stainlesssteel;surgicalapplications
【摘要】:1.1Thisspecificationcoversthechemical,mechanical,andmetallurgicalrequirementsforwroughtnitrogenstrengthened11manganese-17chromium-3molybdenumlow-nickelstainlesssteelalloybarandwireforsurgicalimplants.1.2Asofthetimeoftheoriginalapprovalofthisspecificationnoproductutilizingthisalloyhadbeenapprovedthrougha510(k)submission.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C45;H40
【国际标准分类号】:11_040_40;77_140_20
【页数】:5P.;A4
【正文语种】: