ISO 6987-2012 有部分圆柱形固定孔和圆角的可转位硬质合金刀片尺寸
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来源:标准资料网
【英文标准名称】:Indexablehardmaterialinsertswithroundedcorners,withpartlycylindricalfixinghole-Dimensions
【原文标准名称】:有部分圆柱形固定孔和圆角的可转位硬质合金刀片尺寸
【标准号】:ISO6987-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-02-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Carbidetools;Cornerradii;Countersinks;Cuttingtools;Design;Designations;Dimensions;Hardmetals;Indexableinserts;Inserts(cuttingtools);Inspection;Machinetoolcomponents;Marking;Materials;Testing;Tolerances(measurement);Tools;Turningtools
【摘要】:
【中国标准分类号】:J41
【国际标准分类号】:25_100_01
【页数】:22P;A4
【正文语种】:英语
基本信息
标准名称: | 金属和合金的腐蚀 应力腐蚀试验 第5部分:C型环试样的制备和应用 |
英文名称: | Corrosion of metals and alloy—Stress corrosion testing—Part 5:Preparation and use of C-ring specimens |
中标分类: |
冶金 >>
金属理化性能试验方法 >>
金属化学性能试验方法 |
ICS分类: |
冶金 >>
金属的腐蚀
|
发布部门: | 国家质量技术监督局 |
发布日期: | 1998-01-02 |
实施日期: | 1999-07-01 |
首发日期: | 1998-12-07 |
作废日期: | 1900-01-01 |
主管部门: | 中国钢铁工业协会 |
归口单位: | 全国钢标准化技术委员会 |
起草单位: | 冶金部钢铁研究总院 |
出版社: | 中国标准出版社 |
出版日期: | 2004-04-10 |
页数: | 12页 |
书号: | 155066.1-15776 |
适用范围
本标准包括检验金属和合金应力腐蚀敏感性用的C型环试样的设计、制备、加载、暴露及检查等方法,提供了C型环试样应力状态和分布的分析。C型环是一种用于测定各种金属应力腐蚀破裂敏感性的用途广泛而经济的试样,适用于多种产品形式包括焊件。特别适用于管、棒和板的试验。也可以使用带缺口试样。
前言
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目录
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引用标准
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所属分类: 冶金 金属理化性能试验方法 金属化学性能试验方法 冶金 金属的腐蚀
【英文标准名称】:StandardPracticeforDosimetryinanX-Ray(Bremsstrahlung)FacilityforRadiationProcessing
【原文标准名称】:辐射处理用X-射线(韧致辐射)设备的辐射量测定的标准规程
【标准号】:ASTMISO/ASTM51608-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E10.01
【标准类型】:(ISO/ASTM)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorbeddose;bremsstrahlung;dosedistribution;dosemapping;dosimeter;dosimetricprocedures;dosimetry;electronaccelerator;electronbeam;facilitycharacterization;ionizingradiation;irradiatorcharacterization;photon;radiation;radiationdosi
【摘要】:4.1AvarietyofproductsandmaterialsmaybeirradiatedwithX-radiationtomodifytheircharacteristicsandimprovetheeconomicvalueorforhealth-relatedpurposes.Examplesaresingle-usemedicaldevices(sterilization),agriculturalcommodities(preservation),andvariouspolymericproducts(materialmodification).DosimetryrequirementsforX-rayprocessingmayvarydependingonthetypeandenduseoftheproduct.4.2Dosimetersareusedasmeansofmonitoringtheradiationprocess.NOTE3-Dosimetryisrequiredforregulatedirradiationprocesses,suchasthesterilizationofmedicaldevicesandthepreservationoffood,becausetheresultsmayaffectthehealthoftheconsumer.Itislessimportantforotherindustrialprocesses,suchaspolymermodification,whichcanbeevaluatedbychangesinthephysicalpropertiesoftheirradiatedmaterials.Nevertheless,routinedosimetrymaybeusedtomonitorthereproducibilityofthetreatmentprocess.NOTE4-Itisnecessarytospecifythematerialinwhichradiationisabsorbed.Frequently,waterisselectedasthereferencematerialforthispurpose.Waterisaconvenientmediumtousebecauseitsradiationabsorptionandscatteringpropertiesareclosetothoseoftissueanditisuniversallyavailableandunderstood.Therequirementoftissueequivalencyhistoricallyoriginatedfromradiationtherapyapplications.AbsorbeddoseinmaterialsotherthanwatermaybedeterminedbyapplyingconversionfactorsinaccordancewithISO/ASTMGuide51261.4.3Radiationprocessingspecificationsusuallyincludeapairofabsorbed-doselimits:aminimumvaluetoensuretheintendedbeneficialeffectandamaximumvaluetoavoidproductdegradation.Foragivenapplication,oneorbothofthesevaluesmaybeprescribedbyprocessspecificationsorregulations.Knowledgeofthedosedistributionwithinirradiatedmaterialisessentialtomeettheserequirements.4.4Severalcriticalparametersmustbecontrolledtoobtainreproducibledosedistributionsintheprocessedmaterials.TheprocessingrateanddosedistributiondependontheX-rayintensity,photonenergyspectrum,spatialdistributionoftheradiationfield,conveyorspeed,andproductconfiguration(seeSections5,8,andAnnexA1).4.5Theirradiationprocessmustbequalifiedtodetermineitseffectivenessindeliveringknown,controllabledoses.Thisinvolvestestingtheprocessequipment,calibratingthemeasuringinstrumentsanddosimetrysystem,anddemonstratingtheabilityoftheprocesstodeliverdosedistributionsinareliableandreproduciblemanner(seeSections9and10).4.6Toensureconsistentdosedeliveryinaqualifiedirradiationprocess,routineprocesscontrolrequiresproceduresforroutineproductdosimetry,producthandlingbeforeandafterthetreatment,prescribedorientationoftheproductsduringirradiation,monitoringofcriticalprocessparameters,anddocumentationoftherequiredactivitiesandfunctions(seeSections11and12).1.1ThispracticeoutlinestheinstallationqualificationprogramforanX-ray(bremsstrahlung)irradiatorandthedosimetricprocedurestobefollowedduringoperationalqualification,performancequalificationandroutineprocessingtoensurethattheentireproducthasbeentreatedwithinapredeterminedrangeofabsorbeddose.Otherproceduresrelatedtooperationalqualification,performancequalificationandroutineprocessingthatmayinfluenceabsorbeddoseintheproductarealsodiscussed.InformationabouteffectiveorregulatorydoselimitsandenergylimitsforX-radiationisnotwithinthescopeofthispractice.1.2Incontrasttomonoenergeticgammaradiation,thebremsstrahlungenergyspectrumextendsfromlowvalues(about35keV)uptothemaximumenergyoftheelectronsincidentontheX-raytarget(seeSectionand).1.3Dosimetryisonlyonecomponentofatot......
【中国标准分类号】:
【国际标准分类号】:
【页数】:17P.;A4
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