SAE ARP4991 Core Restoration of Thermosetting Composite Components

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Product Code:SAE ARP4991
Title:Core Restoration of Thermosetting Composite Components
Issuing Committee:Ams Cacrc Commercial Aircraft Composite Repair Committee
Scope:This SAE Aerospace Recommended Practice (ARP) describes standard methods for restoring damaged core on commercial aircraft sandwich structures. The methods shall only be used when specified in an approved repair procedure or with the agreement of the Original Equipment Manufacturer (OEM) or regulatory authority. The repair materials shall be defined in the approved repairs referencing these methods.
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【英文标准名称】:TestMethodforDieselFuelDiluentinUsedDieselEngineOilsbyGasChromatography
【原文标准名称】:用气相色谱法测定用过的柴油发动机油中柴油燃料稀释剂的试验方法
【标准号】:ANSI/ASTMD3524-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:2004-11-01
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;柴油;试验;润滑剂
【英文主题词】:Dieselengines;Dieselfuels;Dieseloils;Diluents;Engineoils;Gaschromatography;Gases;Industrialoils;Lubricants;Petroleumproducts;Testing
【摘要】:Thistestmethodcoverstheuseofgaschromatographytodeterminetheamountofdieselfuelinusedenginelubricatingoil.ThistestislimitedtoSAE30oil.Thedieselfueldiluentisanalyzedatconventrationsupto12mass%.Note1-Thistestmethodmaybeapplicabletohigherviscositygradeoils.However,suchoilswerenotincludedintheprogramusedtodeveloptheprecisionstatement.Thistestmethodislimitedtogaschromatographsequippedwithflameionizationdetectorsandtemperatureprogrammableovens.Note2-Theuseofotherdetectorsandinstrumentationhasbeenreported.However,theprecisionstatementappliesonlywhentheinstrumentationspecifiedisemployed.ThereissomeoverlapoftheboilingrangesofdieselfuelandSAE30engineoils.Moreover,theboilingrangeofSAE30oilsfromvarioussourcescanvaryappreciably.Asaresult,thecalibrationcanbealteredbyasmuchas2%,intermsoffueldilution.Whentestingunknownormixedbrandsofusedengineoil,itshouldberealizedthattheprecisionofthemethodmaybepoorerthantheprecisionobtainedwhencalibratingwithanewoilrepresentativeoftheusedoilbeingtested.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesstatedininch-poundunitsareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语


基本信息
标准名称:文书档案工作程序
中标分类: 航空、航天 >> 航空、航天综合 >> 技术管理
发布日期:1989-06-23
实施日期:1989-12-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:7页
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所属分类: 航空 航天 航空 航天综合 技术管理