ASTM A900/A900M-2001(2006) 无定形磁条分层系数的标准试验方法

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【英文标准名称】:StandardTestMethodforLaminationFactorofAmorphousMagneticStrip
【原文标准名称】:无定形磁条分层系数的标准试验方法
【标准号】:ASTMA900/A900M-2001(2006)
【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】:A06.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:amorphousmaterial;laminationfactor;spacefactor;stackingfactor
【摘要】:LaminationfactorSindicatesthedeficiencyofeffectivematerialvolumewhichisduetothepresenceofoxides,roughness,insulatingcoatings,andotherconditionsaffectingthestripsurface.Thistestmethodisusedtopredictthefractionofmetalthatisincludedinthevolumeofthefirmcoilwoundfromthespecimentape.1.1Thistestmethodcoversmeasurementsoflaminationfactor(Note1)ofaspecimencomposedofstripscutfromamorphousmagneticmaterial.Itissuitableforthedeterminationoflaminationfactorforthin,flatcase,metallicstripranginginwidthfrom0.25to8.00in.[6.35mmto203mm]andinthicknessfrom0.0005to0.005in.[12.7to127m].Note18212;Laminationfactorisalsotermedspacefactororstackingfactor.1.2Thevaluesandequationsstatedincustomary(egs-emuandinch-pound)orSIunitsaretoberegardedseparatelyasstandard.Withinthisstandard,SIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:29_030
【页数】:4P.;A4
【正文语种】: