YS/T 281.1-1994 钴化学分析方法 磺基水杨酸分光光度法测定铁量
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基本信息
| 标准名称： | 钴化学分析方法 磺基水杨酸分光光度法测定铁量 |
| 英文名称： | Cobalt -- Determination of iron content -- Sulfosalicylic acid spectrophotometric method |
| 中标分类： |
冶金 >>
金属化学分析方法 >>
重金属极其合金分析方法 |
| ICS分类： |
冶金 >>
金属材料试验 >>
金属材料化学分析
|
| 替代情况： | 原标准号GB 8648.1-88;被YS/T 281.1-2011代替 |
| 发布日期： | |
| 实施日期： | 1994-10-01 |
| 首发日期： | |
| 作废日期： | 2012-07-01 |
| 出版日期： | |
| 页数： | 3页 |
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所属分类： 冶金 金属化学分析方法 重金属极其合金分析方法 冶金 金属材料试验 金属材料化学分析
【英文标准名称】:StandardPracticeforUseofRubber-CordPieDisktoDemonstratetheDiscernmentCapabilityofaTireX-rayImagingSystem
【原文标准名称】:为论证轮胎X射线成象系统的辩别能力橡胶帘布圆盘的使用标准规程
【标准号】:ASTMF1035-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:F09.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:rubber-cordpiedisk;X-ray;X-rayimageplane;X-rayradiograph
【摘要】:AllX-raysystemsaresubjecttochangingefficiencies,soapracticeforcheckingtheoveralloperationisneeded.ThispracticewillassuretheoperatorofanoptimizedimagewhenambientconditionsarecontrolledandtheX-rayhighvoltagegeneratorisadjustedasprescribed.Thedensitiesofsometirecordmaterialsareveryclosetothatoftherubbermatrixinwhichtheyareenclosed,sotheresolvingcapabilityofanX-raysystemiscriticaltothedetectionofabnormalities.Therubber-cordpiediskprovidesameansforoptimizingtheresolvingpowerinaparticularapparatusandforcomparingitsperformanceoveranyperiodoftime.Therubber-cordpiediskcanbeusedtocomparetheperformancesofX-raysystemsindifferentlaboratories.Itcanalsobeusedinspecialcasestooptimizesystemperformanceforaparticularsectororcord-type,asmayberequiredforexaminingaspecifictire.FIG.2Pie-CordDiskTestFixture1.1Thispracticedescribestheconstructionanduseofarubber-cordpie-shapedstandarddiskfordemonstratingthediscernmentcapabilityofanX-rayimagingsystem.1.2Thispracticeisapplicabletodirectviewing(fluoroscopic)X-rayimagingsystemsandfilm,plateorpaper(radiographic)X-rayimagingsystemsthatareusedforcheckingtheconstructionconsistencyofpneumatictires.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcernssassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:83_160_10
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodsforTensionTestingofMetallicMaterials
【原文标准名称】:金属材料抗拉的标准试验方法
【标准号】:ASTME8/E8M-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:准确度
【英文主题词】:accuracy;bendingstress;discontinuousyielding;drop-of-the-beam;eccentricforceapplication;elasticextension;elongation;extension-under-load;extensometer;force;free-runningcrossheadspeed;gagelength;halt-of-theforce;percentelo
【摘要】:Tensiontestsprovideinformationonthestrengthandductilityofmaterialsunderuniaxialtensilestresses.Thisinformationmaybeusefulincomparisonsofmaterials,alloydevelopment,qualitycontrol,anddesignundercertaincircumstances.Theresultsoftensiontestsofspecimensmachinedtostandardizeddimensionsfromselectedportionsofapartormaterialmaynottotallyrepresentthestrengthandductilitypropertiesoftheentireendproductoritsin-servicebehaviorindifferentenvironments.Thesetestmethodsareconsideredsatisfactoryforacceptancetestingofcommercialshipments.Thetestmethodshavebeenusedextensivelyinthetradeforthispurpose.1.1Thesetestmethodscoverthetensiontestingofmetallicmaterialsinanyformatroomtemperature,specifically,themethodsofdeterminationofyieldstrength,yieldpointelongation,tensilestrength,elongation,andreductionofarea.1.2Thegagelengthsformostroundspecimensarerequiredtobe4DforE8and5DforE8M.ThegagelengthisthemostsignificantdifferencebetweenE8andE8MTestSpecimensTestspecimensmadefrompowdermetallurgy(P/M)materialsareexemptfromthisrequirementbyindustry-wideagreementtokeepthepressingofthematerialtoaspecificprojectedareaanddensity.1.3Exceptionstotheprovisionsofthesetestmethodsmayneedtobemadeinindividualspecificationsortestmethodsforaparticularmaterial.Forexamples,seeTestMethodsandDefinitionsA370andTestMethodsB557,andB557M.1.4Roomtemperatureshallbeconsideredtobe10to38x00B0;C[50to100x00B0;F]unlessotherwisespecified.1.5ThevaluesstatedinSIunitsaretoberegardedasseparatefrominch/poundunits.Thevaluesstatedineachsystemarenotexactequivalents;thereforeeachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:27P.;A4
【正文语种】:英语
