JJG (航天) 62-1991 频率响应分析仪检定规程

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基本信息
标准名称:频率响应分析仪检定规程
英文名称:Verification Regulation of Freguency Response Analyser
中标分类:
发布部门:航空航天部
发布日期:
实施日期:1999-08-31
首发日期:
作废日期:
归口单位:航空航天部无线电计量测试研究所
起草单位:航空航天部无线电计量测试研究所
起草人:胡学成
出版日期:
页数:21页
适用范围

本规程适用于新制造的,使用中的和修理后的频率在65.535kHz以下的频率响应分析仪的检定。

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【英文标准名称】:StandardTestMethodforCompressivePropertiesOfRigidCellularPlastics
【原文标准名称】:硬质泡沫塑料的压缩性能的标准试验方法
【标准号】:ASTMD1621-2004a
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;特性;压力;试验;压力荷载
【英文主题词】:cellularplastics;compressivemodulus;compressivestrength
【摘要】:Thistestmethodprovidesinformationregardingthebehaviorofcellularmaterialsundercompressiveloads.Testdataisobtained,andfromacompleteload-deformationcurveitispossibletocomputethecompressivestressatanyload(suchascompressivestressatproportional-limitloadorcompressivestrengthatmaximumload)andtocomputetheeffectivemodulusofelasticity.Compressiontestsprovideastandardmethodofobtainingdataforresearchanddevelopment,qualitycontrol,acceptanceorrejectionunderspecifications,andspecialpurposes.Thetestscannotbeconsideredsignificantforengineeringdesigninapplicationsdifferingwidelyfromtheload-timescaleofthestandardtest.Suchapplicationsrequireadditionaltestssuchasimpact,creep,andfatigue.Beforeproceedingwiththistestmethod,referenceshallbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,oracombinationthereof,coveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecifications,thenthedefaultconditionsapply.1.1Thistestmethoddescribesaprocedurefordeterminingthecompressivepropertiesofrigidcellularmaterials,particularlyexpandedplastics.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinbracketsareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThistestmethodandISO844aretechnicallyequivalent.
【中国标准分类号】:G31
【国际标准分类号】:83_100
【页数】:5P.;A4
【正文语种】:


Product Code:SAE AMS5675
Title:Nickely Alloy, Corrosion and Heat Resistant, Welding Wire 70Ni - 2.4Mn - 15.5Cr - 3.0Ti - 7.0Fe
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant nickel alloy in the form of welding wire.