MIL-G-14451B (AMENDMENT 1)
作者:标准资料网 时间:2024-05-20 18:29:03 浏览:9052
来源:标准资料网
MIL-G-14451B (AMENDMENT 1), MILITARY SPECIFICATION: GUN, SUBCALIBER, .30: M9 (15 APR 1987) [NO S/S DOCUMENT]., This amendment forms a part of Military Specification MIL-G-14451B(AR), dated 17April 1973, and is approved for use by all Departments and Agencies of theDepartment of Defense.
【英文标准名称】:StandardTestMethodforExaminationofFiberglassReinforcedPlasticFanBladesUsingAcousticEmission
【原文标准名称】:用声辐射检验玻璃纤维增强塑料风扇叶片的标准试验方法
【标准号】:ASTME2076-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E07.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验方法;声学;增强塑料;刀片;辐射;声学的;风扇;检查
【英文主题词】:acousticemission;FRPfanblades
【摘要】:TheAEexaminationmethoddetectsstructurallysignificantflawsinFRPstructuresviatestloading.ThedamagemechanismsthataredetectedinFRPincluderesincracking,fiberdebonding,fiberpullout,fiberbreakage,delamination,andsecondarybondfailure.FlawsinunstressedareaswillnotgeneratedetectableAE.FlawslocatedwithAEmaybeexaminedbyothermethods.1.1Thistestmethodprovidesguidelinesforacousticemission(AE)examinationsoffiberglassreinforcedplastic(FRP)fanbladesofthetypeusedinindustrialcoolingtowersandheatexchangers.1.2Thistestmethodusessimulatedserviceloadingtodeterminestructuralintegrity.1.3Thistestmethodwilldetectsourcesofacousticemissioninareasofsensorcoveragethatarestressedduringthecourseoftheexamination.1.4Thistestmethodappliestoexaminationsofnewandin-servicefanblades.1.5ThistestmethodislimitedtofanbladesofFRPconstruction,withlength(hubcenterlinetotip)oflessthan10ft,andwithfiberglasscontentgreaterthan15%byweight.1.6AEmeasurementsareusedtodetectemissionsources.Othernondestructiveexamination(NDE)methodsmaybeusedtoevaluatethesignificanceofAEsources.ProceduresforotherNDEmethodsarebeyondthescopeofthistestmethod.1.7Valuesstatedininch-poundunitsaretoberegardedasthestandard.SIunitsgiveninparenthesesareprovidedforinformationonly.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:19_100
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Ammoniumdihydrogenphosphate(Reagent)
【原文标准名称】:二硫酸氢盐铵(试剂)
【标准号】:JISK9006-2012
【标准状态】:现行
【国别】:
【发布日期】:2012-03-21
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonChemicalAnalysis
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:G62
【国际标准分类号】:71_040_30
【页数】:20P;A4
【正文语种】:日语
