MIL-HDBK-5H

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MIL-HDBK-5H, MILITARY HANDBOOK: METALLIC MATERIALS AND ELEMENTS FOR AEROSPACE VEHICLE STRUCTURES (1 DEC 1998) (44 MB DOWNLOAD)., This document contains design information on the strength properties of metallic materials and elements for aerospace vehicle structures. All information and data contained in this handbook have been coordinated with the Air Force, Army, Navy, Federal Aviation Administration, and industry prior to publication, and are being maintained.

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【英文标准名称】:StandardPracticeforOperatingFluorescentLightApparatusforUVExposureofNonmetallicMaterials
【原文标准名称】:非金属材料紫外线曝光用荧光仪器操作的标准实施规范
【标准号】:ASTMG154-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:G03.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:人工气候环境试验;荧光的;非金属的;紫外的;耐气候老化
【英文主题词】:accelerated;acceleratedweathering;durability;exposure;fluorescentUVlamps;laboratoryweathering;light;lightfastness;non-metallicmaterials;temperature;ultraviolet;weathering
【摘要】:1.1ThispracticecoversthebasicprinciplesandoperatingproceduresforusingfluorescentUVlight,andwaterapparatusintendedtoreproducetheweatheringeffectsthatoccurwhenmaterialsareexposedtosunlight(eitherdirectorthroughwindowglass)andmoistureasrainordewinactualusage.Thispracticeislimitedtotheproceduresforobtaining,measuring,andcontrollingconditionsofexposure.Anumberofexposureproceduresarelistedinanappendix;however,thispracticedoesnotspecifytheexposureconditionsbestsuitedforthematerialtobetested.Note1PracticeG151describesperformancecriteriaforallexposuredevicesthatuselaboratorylightsources.ThispracticereplacesPracticeG53,whichdescribesveryspecificdesignsfordevicesusedforfluorescentUVexposures.TheapparatusdescribedinPracticeG53iscoveredbythispractice.1.2TestspecimensareexposedtofluorescentUVlightundercontrolledenvironmentalconditions.DifferenttypesoffluorescentUVlightsourcesaredescribed.1.3SpecimenpreparationandevaluationoftheresultsarecoveredinASTMmethodsorspecificationsforspecificmaterials.GeneralguidanceisgiveninPracticeG151andISO4892-1.MorespecificinformationaboutmethodsfordeterminingthechangeinpropertiesafterexposureandreportingtheseresultsisdescribedinISO4582.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5ThisstandardistechnicallysimilartoISO4892-3andISODIS11507.
【中国标准分类号】:H20
【国际标准分类号】:19_040
【页数】:11P.;A4
【正文语种】:


基本信息
标准名称:突面钢制法兰盖
中标分类: 化工 >> 化工机械与设备 >> 化工机械与设备零部件
替代情况:被HG 20592-20635-97代替
发布日期:
实施日期:1993-05-01
首发日期:
作废日期:
出版日期:
页数:12页
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所属分类: 化工 化工机械与设备 化工机械与设备零部件