基本信息
| 标准名称： | 大姚核桃 |
| 发布部门： | 云南省质量技术监督局 |
| 发布日期： | 2008-11-16 |
| 实施日期： | 2009-03-01 |
| 首发日期： | |
| 作废日期： | |
| 主管部门： | 云南省质量技术监督局 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2009-03-01 |
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【英文标准名称】:StandardTestMethodforMeasuringDoseforUseinLinearAcceleratorPulsedRadiationEffectsTests
【原文标准名称】:测定用于线性加速器脉冲发射效应试验的剂量的试验方法
【标准号】:ASTMF526-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:F01.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:辐射;发射效应;剂量测定;电子工程;催速剂;剂量;试验
【英文主题词】:calorimetricmeasurements;dosemeasurement;ionizingdose;linearaccelerator;radiationeffects
【摘要】:Anaccuratemeasureofthedoseduringradiation-effectstestingisnecessarytoensurethevalidityofthedatataken,toenablecomparisontobemadeofdatatakenatdifferentfacilities,andtoverifythatcomponentsorcircuitsaretestedtotheradiationspecificationappliedtothesystemforwhichtheyaretobeused.Theprimaryvalueofacalorimetricmethodformeasuringdoseisthattheresultsareabsolute.Theyarebasedonlyonphysicalpropertiesofmaterials,thatis,thespecificheatofthecalorimeter-blockmaterialandtheSeebeckemfofthethermocoupleusedorthetemperaturecoefficientofresistance(x03B1;)ofthethermistorused,allofwhichcanbeestablishedwithnon-radiationmeasurements.Themethodpermitsrepeatedmeasurementstobemadeduringaradiationeffectstestwithoutrequiringentryintotheradiationcellbetweenmeasurements.1.1Thistestmethodcoversacalorimetricmeasurementofthedosedeliveredinasinglepulseofelectronsfromanelectronlinearacceleratorusedasanionizingsourceinradiation-effectstesting.Thetestmethodisdesignedforusewithpulsesofelectronsintheenergyrangefrom10to50MeVandisonlyvalidforcasesinwhichboththecalorimeterandthetestspecimentobeirradiatedare"thin"comparedtotherangeoftheseelectronsinthematerialsofwhichtheyareconstructed.1.2Theproceduredescribedcanbeusedinthosecasesinwhich(1)thedosedeliveredinasinglepulseis5Gy(500rad)orgreater,or(2)multiplepulsesofalowerdosecanbedeliveredinatimeshortcomparedtothethermaltimeconstantofthecalorimeter.Theminimumdoseperpulsethatcanbeacceptablymonitoreddependsonthevariablesoftheparticulartest,includingpulserate,pulseuniformity,andthethermaltimeconstantofthecalorimeter.1.3Adeterminationofthedoseismadedirectlyforthematerialofwhichthecalorimeterblockismade.Thedoseinothermaterialscanbecalculatedfromthismeasuredvaluebyformulaspresentedinthistestmethod.Theneedforsuchcalculationsandthechoiceofmaterialsforwhichcalculationsaretobemadeshallbesubjecttoagreementbythepartiestothetest.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesisareprovidedforinformationonly.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F92
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】: