DIN 4704-2-1988 房间取暖设备的检验.敞开式试验室
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【英文标准名称】:Testingofheatingappliances;opentestbooth
【原文标准名称】:房间取暖设备的检验.敞开式试验室
【标准号】:DIN4704-2-1988
【标准状态】:作废
【国别】:德国
【发布日期】:1988-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:热环境系统;试验;加热设备;温度;试验室;热效率;试验设备;对流式供暖系统;敞口的;散热器;试验大气环境
【英文主题词】:open;radiators;temperature;thermalenvironmentsystems;testing;testatmospheres;testequipment;thermalefficiency;testcabins;heatingequipment;space-heatingsystems
【摘要】:
【中国标准分类号】:P46;Q83
【国际标准分类号】:91_140_10
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforUltrasonicTestingUsingElectromagneticAcousticTransducer(EMAT)Techniques
【原文标准名称】:用电磁声换能器(EMAT)技术的超声波测试用标准实用规程
【标准号】:ASTME1816-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E07.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:材料测试;无损检验;超声波测试
【英文主题词】:electricallyconductive;electromagneticacoustictransducer;ferromagnetic;flawdetection;nondestructivetesting;NDTofweldments;thicknessmeasurements;ultrasonicexamination
【摘要】:1.1Thispracticecoversproceduresfortheuseofelectromagneticacoustictransducers(EMATs)forspecificultrasonicexaminationapplications.RecommendationsaregivenforspecificapplicationsforusingEMATtechniquestodetectflawsthroughbothsurfaceandvolumetricexaminationsaswellastomeasurethickness.1.2Theseproceduresrecommendtechnicaldetailsandguidelinesforthereliableandreproducibleultrasonicdetectionofflawsandthicknessmeasurementsusingelectromagneticacoustictransducersforboththepulsingandreceivingofultrasonicwaves.TheEMATtechniquesdescribedhereincanbeusedasabasisforassessingtheserviceabilityofvariouscomponentsnondestructively,aswellasforprocesscontrolinmanufacturing.1.3Theseprocedurescovernoncontacttechniquesforcouplingultrasonicenergyintomaterialsthroughtheuseofelectromagneticfields.Surface,Lamb,longitudinal,andshearwavemodesarediscussed.1.4TheseproceduresareintendedtodescribespecificEMATapplications.TheseproceduresareintendedforapplicationsinwhichtheuserhasdeterminedthattheuseofEMATtechniquescanoffersubstantialbenefitsoverconventionalpiezoelectricsearchunits.ItisnotintendedthatEMATtechniquesshouldbeusedinapplicationsinwhichconventionaltechniquesandapplicationsoffersuperiorbenefits(refertoGuideE1774).1.5Theseproceduresareapplicabletoanymaterialinwhichacousticwavescanbeintroducedelectromagnetically.Thisincludesanymaterialthatiseitherelectricallyconductiveorferromagnetic.1.6TheproceduresoutlinedinthispracticeaddressprovenEMATtechniquesforspecificapplications;theydonotpurporttoaddresstheonlyvariationorallvariationsofEMATtechniquestoaddressthegivenapplications.Latitudeinapplicationtechniquesisofferedwhereoptionsareconsideredappropriate.1.7Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:77_040_20
【页数】:10P.;A4
【正文语种】:
基本信息
标准名称: | 不锈钢丝制圆柱螺旋拉伸弹簧 |
中标分类: |
航空、航天 >>
航空器与航天器零部件 >>
弹性元件 |
替代情况: | HB 5867-5868-84 |
发布日期: | |
实施日期: | 2003-12-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 39页 |
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所属分类: 航空 航天 航空器与航天器零部件 弹性元件