SAE AMS2372 Quality Assurance Sampling and Testing, Carbon and Low-Alloy Steel Forgings

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Product Code:SAE AMS2372
Title:Quality Assurance Sampling and Testing, Carbon and Low-Alloy Steel Forgings
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope: This specification covers quality assurance sampling and testing procedures used to determine conformance to applicable specification requirements of carbon and low-alloy steel forgings.
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【英文标准名称】:StandardTestMethodforMagneticPropertiesofMagneticAmplifierCores
【原文标准名称】:磁放大器芯磁性的标准试验方法
【标准号】:ASTMA598/A598M-2002(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:core;coregain;gainfactor;induction;magneticamplifier;magneticfieldstrength;Amplifierelectronics;Constantcurrentfluxresettestmethod(CCFR);Magneticamplifiercores;Magneticproperties
【摘要】:Themethodofexcitationsimulates,toapracticaldegree,theoperationofamagneticcoreinaself-saturatingmagneticamplifier.Thepropertiesmeasuredarerelatedtothequalityofperformanceofthecoresinmagneticamplifiersandareusefulforthespecificationofmaterialsforsuchcores.1.1Thistestmethodcoversthedeterminationofthemagneticperformanceoffullyprocessedcoresformagneticamplifier-typeapplications.1.2Testsmaybeconductedatexcitationfrequenciesof60,400,1600Hz,orhigherfrequencies.1.3Permissiblecoresizesforthistestmethodarelimitedonlybytheavailablepowersuppliesandtherangeandsensitivityoftheinstrumentation.1.4Atspecifiedvaluesoffull-wavesinusoidal-currentexcitation,Hmax,thistestmethodprovidesproceduresofdeterminingthecorrespondingvalueofmaximuminduction,Bmax.1.5Atspecifiedvaluesofhalf-wavesinusoidal-currentexcitation,thistestmethodprovidesproceduresfordeterminingtheresidualinduction,Br.1.6Atincreasedspecifiedvaluesofhalf-wavesinusoidal-currentexcitation,thistestmethodprovidesproceduresfordeterminingthedcreversebiasingmagneticfieldstrength,H1,requiredtoresettheinductioninthecorematerialpastBrtoavaluewherethetotalinductionchange,x0394;B1,becomesapproximatelyonethirdoftheinductionchange,2Bp.Italsoprovidesproceduresfordeterminingtheadditionaldcresetmagneticfieldstrength,x0394;H,which,combinedwithH1,isthevaluerequiredtoresettheinductioninthecorematerialpastBrtoavaluewherethetotalinductionchange,x0394;B2,becomesapproximatelytwothirdsoftheinductionchange2Bp.1.7Thistestmethodspecifiesproceduresfordeterminingcoregainfromthecorrespondingbiasingandinductionchanges,x0394;Handx0394;B.1.8Thistestmethodcoverstestproceduresandrequirementsforevaluationoffinishedcoreswhicharetobeusedinmagnetic-amplifier-typeapplications.Itisnotatestforbasic-materialmagneticproperties.1.9ThistestmethodshallbeusedinconjunctionwithPracticeA34/A34.1.10Explanationsofsymbolsandabbreviateddefinitionsappearinthetextofthistestmethod.TheofficialsymbolsanddefinitionsarelistedinTerminologyA340.1.11Thevaluesandequationsstatedincustomary(cgs-emuandinch-pound)orSIunitsaretoberegardedseparatelyasstandard.Withinthistestmethod,SIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththistestmethod.1.12Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandard......
【中国标准分类号】:L19
【国际标准分类号】:29_100_10
【页数】:17P.;A4
【正文语种】:英语


基本信息
标准名称:内燃机 钢带组合油环 技术条件
英文名称:Intenal combustion engines - Expander/segment oil control steel rings - Specifications
中标分类: 机械 >> 活塞式内燃机与其他动力设备 >> 机体与运动件
ICS分类: 能源和热传导工程 >> 内燃机
替代情况:ZB J92010-1989
发布部门:全国内燃机标准化技术委员会
发布日期:1999-09-17
实施日期:2000-01-01
首发日期:1900-01-01
作废日期:1900-01-01
归口单位:全国内燃机标准化技术委员会
出版日期:1900-01-01
页数:8 页
批文号:国机管[1999]520号
适用范围

JB/T 9767-1999 本标准是对 ZB J92 010-89《内燃机钢带组合油环 技术条件》的修订。修订时仅按有关规定作了编辑性修改,主要技术内容没有改变。 本标准规定了内燃机钢带组合油环的术语、符号、代号,技术要求,检验方法,检验规则和标志、包装、运输、贮存。 本标准适用于气缸直径小于或等于 200mm 的往复式内燃机钢带组合油环。 本标准于 1989 年首次发布。

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所属分类: 机械 活塞式内燃机与其他动力设备 机体与运动件 能源和热传导工程 内燃机