SAE AIR6452 Landing Gear Systems - Endurance Scatter Factor

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Product Code:SAE AIR6452
Title:Landing Gear Systems - Endurance Scatter Factor
Issuing Committee:A-5b Gears, Struts And Couplings Committee
Scope: This information report will provide the reader with the thought processes and rationales employed by OEM's and gear manufacturers when specifying the scatter factor to apply to landing gear system components for endurance qualification testing.
Rationale: This information report will provide the reader with the thought processes and rationales employed by OEM's and gear manufacturers when specifying the scatter factor to apply to landing gear system components for endurance qualification testing.
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【英文标准名称】:StandardTestMethodforDeterminationofRadioactiveIroninWater
【原文标准名称】:测定水中放射性铁的标准试验方法
【标准号】:ASTMD4922-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D19.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铁含量;放射性污染;水质分析;试验
【英文主题词】:anionexchange;55Fe;liquidscintillationcounting;radioactiveiron;radioactivity;NumberCode13.060.50(Examinationofwaterforchemicalsubstances);13.060.60(Examinationofwaterforphysicalproperties)
【摘要】:Radioactiveironisproducedbyneutronactivationofstableiron.Itsconcentrationinreactorcoolantisusedtomonitorthecorrosionofreactorpartssuchasreactorfuel-claddingmaterialandreactorstructuralcomponents.Thistechniqueeffectivelyremovesotheractivationandfissionproductssuchasisotopesofiodine,zinc,manganese,cobalt,andcesiumbytheadditionofhold-backcarriersandananionexchangetechnique.Thefissionproducts(zirconium-95andniobium-95)areselectivelyelutedwithhydrochloric-hydrofluoricacidwashes.TheironisfinallyseparatedfromZn+2byprecipitationofFePO4atapHof3.0.1.1Thistestmethodcoversthedeterminationof55Feinthepresenceof59Febyliquidscintillationcounting.Thea-prioriminimumdetectableconcentrationforthistestmethodisE-3Bq/mL.1.2Thistestmethodwasdevelopedprincipallyforthequantitativedeterminationof55Fe.However,afterpropercalibrationoftheliquidscintillationcounterwithreferencestandardsofeachnuclide,59Femayalsobequantified.1.3ThistestmethodwasusedsuccessfullywithTypeIIIreagentwaterconformingtoSpecificationD1193.Itistheresponsibilityoftheusertoensurethevalidityofthistestmethodforwatersofuntestedmatrices.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeSection9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50;13_060_60
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Lubricants,industrialoilsandrelatedproducts(classL)-FamilyH(hydraulicsystems)-SpecificationsforcategoriesHH,HL,HM,HR,HVandHG
【原文标准名称】:润滑剂、工业润滑油和有关产品(L类)H组(液压系统)HH、HL、HM、HR、HV和HG各品种的规格
【标准号】:ISO11158-1997
【标准状态】:作废
【国别】:国际
【发布日期】:1997-12
【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/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);润滑剂;石油产品;定义;油;液压系统;液压传动系统;液压液
【英文主题词】:Definitions;Hydraulicfluids;Hydraulicsystems;Hydraulictransmissionsystems;Lubricants;Oils;Petroleumproducts;Specification(approval)
【摘要】:ThisInternationalStandardspecifiestherequirementsofmineraloilhydraulicfluidsandisintendedforhydraulicsystems,particularlyforhydrostatichydraulicfluidpowerapplication.ThepurposeofthisInternationalStandardisfortheguidanceofsuppliersandendusersofmineraloilhydraulicfluidsandforthedirectionofequipmentmanufacturersofhydraulicsystems.ThisInternationalStandardiswritteninageneralformsothatitsapplicationcanaccommodatevariousclimaticconditionsthroughouttheworld.ThisInternationalStandardalsostipulatestherequirementsofmineraloilhydraulicfluidsatthetimeofdelivery.ClassificationoffluidsusedinhydraulicapplicationsisdefinedinISO6743-4.OfthecategoriescoveredbyISO6743-4,sixtypesonlyofmineraloilbasedfluidsareembracedinthisspecification.Thesecategoriesare:HH,HL,HM,HR,HVandHG.NOTE—AlthoughspecificationsgiveninthisInternationalStandardreferonlytomineraloilbasedhydraulicfluids,thisspecificationcanbeapplicabletocertaintypesofhydrocarbonsyntheticfluidse.g.polyalphaolefin(typeHS).
【中国标准分类号】:E34
【国际标准分类号】:75_120
【页数】:12P.;A4
【正文语种】:英语