ASTM A 904-2004 50镍-50铁粉末冶金(P/M)软磁零件的标准规范
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来源:标准资料网
【英文标准名称】:StandardSpecificationfor50Nickel-50IronPowderMetallurgy(P/M)SoftMagneticParts
【原文标准名称】:50镍-50铁粉末冶金(P/M)软磁零件的标准规范
【标准号】:ASTMA904-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:粉末冶金;软磁的;镍铁合金;合金
【英文主题词】:nickel-ironalloys;softmagnetic;powdermetallurgy;alloys
【摘要】:
【中国标准分类号】:H71
【国际标准分类号】:77_160
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforRubberShaftSealsDeterminationofRecoveryFromBending
【原文标准名称】:测定橡胶轴密封件从弯曲复原的标准试验方法
【标准号】:ASTMD6515-2000(2004)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D11.37
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:从弯曲恢复;橡胶;轴密封件
【英文主题词】:recoveryfrombending;rubber;shaftseals
【摘要】:Amongthefactorsaffectingshaftseallifearetheabilitytoretainelasticityandcompensateforshafteccentricity,abilitytorecoverfrombending,andresistancetowearandtheswellingeffectsofcontactfluids.In-servicetestingofcandidatematerialsistimeconsumingandthereforecostly.Measurementofrecoveryfrombendingafterexposureinfluidsatelevatedtemperaturesprovidesameansofquicklyassessingthematerial’potentialandacceptabilityforuse.Comparativerecoverydatamaythenbescreenedandoptimumperformingcompoundsselectedforfurtherimprovementorsealfabrication.Ithasbeenfoundthatgoodtoexcellentcorrelationexistsbetweenamaterial’abilitytorecoverfrombendingandsealingeffectiveness.Thismethodisdesignedtomeasuretherecoveryofdifferentrubbercompoundsafteraginginanyliquidmedium,includinghydraulicoilsandwater.Thismethodcanalsobeusedtotestrubbercompoundsafteraginginair.Testliquidsshouldbechosenbasedontheintendedenduse.1.1Thistestmethodcoversaproceduretodeterminetherecoveryresponseofrubberafterparticularbendingdeformation,subsequenttoaginginselectedmediaataspecifiedtemperature,andforaspecifiedtimeperiod,thusprovidingameasureoftherelativeperformancepotentialofcompoundsusedinthemanufactureofshaftseals.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J22
【国际标准分类号】:83_140_50
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:Hydraulicfluidpower-Gas-loadedaccumulatorswithseparator-Rangesofpressuresandvolumesandcharacteristicquantities
【原文标准名称】:液压传动隔离式充气蓄能器压力、容积范围和特性量
【标准号】:ISO5596-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【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/TC131
【标准类型】:()
【标准水平】:()
【中文主题词】:压力等级;气压;分离器;存储器;液压传动;液压气动蓄能器;液压设备;蓄电池;流体技术;体积;液压装置;液压传动系统;尺寸;特性;特性;特性
【英文主题词】:Characteristic;Characteristics;Fluidtechnology;Gaspressure;Hydraulicequipment;Hydraulicfluidpower;Hydraulictransmissionsystems;Hydraulics;Hydropneumaticaccumulators;Pressureclasses;Properties;Separators;Size;Storagebatteries;Stores;Volume
【摘要】:ThisInternationalStandardspecifiesthecharacteristicperformancequantitiesrequiredfordefining,designing,andtestinggas-loadedaccumulatorswithseparator,whichareusedinhydraulicfluidpowersystems.Italsodefinesrangesofpressuresandvolumesfortheseaccumulators.
【中国标准分类号】:J20
【国际标准分类号】:23_100_99
【页数】:4P.;A4
【正文语种】:英语
