ASTM A773/A773M-2001(2009) 使用DC电磁滞曲线记录仪的参数处理和环形材料的DC磁性能的标准测试方法
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【英文标准名称】:StandardTestMethodfordcMagneticPropertiesofMaterialsUsingRingandPermeameterProcedureswithdcElectronicHysteresigraphs
【原文标准名称】:使用DC电磁滞曲线记录仪的参数处理和环形材料的DC磁性能的标准测试方法
【标准号】:ASTMA773/A773M-2001(2009)
【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】:dchysteresigraph;dchysteresis;Epsteintest;Hallprobe;hysteresisloop;permeameter;ring-typespecimen;Currentmeasurement--direct-current;D-cmagneticproperties;Direct-currentpermeability;Hysteresiseffects;Permeameters(direct-current)
【摘要】:Hysteresigraphtestingpermitsmorerapidandefficientcollectionofdchysteresis(B-Hloop)dataascomparedtothepointbypointballisticTestMethodsA341/A341MandA596/A596M.Theaccuracyandprecisionoftestingiscomparabletotheballisticmethods.Hysteresigraphsareparticularlydesirablefortestingofsemihardandhardmagneticmaterialswhereeithertheentiresecondquadrant(demagnetizationcurve)orentirehysteresisloopisofprimaryconcern.Providedthetestspecimenisrepresentativeofthebulksampleorlot,thistestmethodiswellsuitedfordesign,specificationacceptance,serviceevaluationandresearchanddevelopment.1.1Thistestmethodprovidesdchysteresigraphprocedures(B-Hloopmethods)forthedeterminationofbasicmagneticpropertiesofmaterialsintheformofring,toroidal,link,double-lappedEpsteincores,orotherstandardshapesthatmaybecut,stamped,machined,orgroundfromcast,compacted,sintered,forged,orrolledmaterials.Itincludestestsfornormalinductionandhysteresistakenunderconditionsofcontinuoussweepmagnetization.Rateofsweepmaybevaried,eithermanuallyorautomaticallyatdifferentportionsofthecurvesduringtracing.Totalelapsedtimefortracingahysteresisloopiscommonly10to120sperloop.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N24
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:
【原文标准名称】:使用DC电磁滞曲线记录仪的参数处理和环形材料的DC磁性能的标准测试方法
【标准号】:ASTMA773/A773M-2001(2009)
【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】:dchysteresigraph;dchysteresis;Epsteintest;Hallprobe;hysteresisloop;permeameter;ring-typespecimen;Currentmeasurement--direct-current;D-cmagneticproperties;Direct-currentpermeability;Hysteresiseffects;Permeameters(direct-current)
【摘要】:Hysteresigraphtestingpermitsmorerapidandefficientcollectionofdchysteresis(B-Hloop)dataascomparedtothepointbypointballisticTestMethodsA341/A341MandA596/A596M.Theaccuracyandprecisionoftestingiscomparabletotheballisticmethods.Hysteresigraphsareparticularlydesirablefortestingofsemihardandhardmagneticmaterialswhereeithertheentiresecondquadrant(demagnetizationcurve)orentirehysteresisloopisofprimaryconcern.Providedthetestspecimenisrepresentativeofthebulksampleorlot,thistestmethodiswellsuitedfordesign,specificationacceptance,serviceevaluationandresearchanddevelopment.1.1Thistestmethodprovidesdchysteresigraphprocedures(B-Hloopmethods)forthedeterminationofbasicmagneticpropertiesofmaterialsintheformofring,toroidal,link,double-lappedEpsteincores,orotherstandardshapesthatmaybecut,stamped,machined,orgroundfromcast,compacted,sintered,forged,orrolledmaterials.Itincludestestsfornormalinductionandhysteresistakenunderconditionsofcontinuoussweepmagnetization.Rateofsweepmaybevaried,eithermanuallyorautomaticallyatdifferentportionsofthecurvesduringtracing.Totalelapsedtimefortracingahysteresisloopiscommonly10to120sperloop.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N24
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:
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