SAE AS82 Screw Thread Form, American National, Modified (National Round - NR)
作者:标准资料网 时间:2024-05-08 22:29:29 浏览:8079
来源:标准资料网
Product Code:SAE AS82
Title:Screw Thread Form, American National, Modified (National Round - NR)
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:This SAE Aerospace Standard (AS) defines an external thread with a rounded root radius based on a minimum root radius of .108 x Pitch.
【英文标准名称】:StandardTestMethodforDeterminingtheTensilePropertiesofanInsulatingGlassEdgeSealforStructuralGlazingApplications
【原文标准名称】:镶嵌玻璃时对隔热玻璃边缘密封剂的抗拉性能的标准试验方法
【标准号】:ASTMC1265-1994(2005)e1
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:C24.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:隔热玻璃边缘密封;镶嵌玻璃用隔热玻璃边缘密封剂;镶嵌玻璃用;拉伸性能;试验;硬挺度;建筑材料;密封件;密封层(剂);实验室试验;拉伸特性;粘附
【英文主题词】:
【摘要】:FrequentlyIGunitsareadheredwithastructuralsealanttoametalframingsystem.Insuchapplications,onlytheinwardliteofglassisusuallyadheredtotheframe.Asaresult,asignificantportionofanyoutward-actingornegativewindloadmustbecarriedintensionbythejointsealbetweenthetwolitesoftheIGunit.ThistestwillnotprovideinformationontheintegrityoftheIGunitprimaryseal;however,itmayprovidedataonloadsharingbetweentheprimaryIGvaporsealandthesecondarystructuralsealant.Althoughthistestmethodprescribesoneenvironmentalcondition,otherenvironmentalconditionsandexposurecyclescanbeemployedforspecificprojectevaluation.Suchdeviationsshouldbedescribedwhenreportingthedata.1.1Thistestmethodcoversalaboratoryprocedureforquantitativelymeasuringthetensilestrength,stiffness,andadhesionpropertiesofinsulatingglassedgesealsthatareusedinstructuralsealantglazingapplications.Edgesealsfortheseapplicationsuseastructuralsealanttobondbothglasslitesandtheedgespacerintoamonolithicsealedinsulatingglassunit.Intypicalapplications,thestructuralsealantactstoholdtheoutsideliteinplaceunderwindandgravityloadandtomaintaintheedgespacerinitsproperposition.Hereafter,theterm"insulatingglass"willbeabbreviatedas"IG."1.2ThecharacterizationoftheIGsecondarysealantproperties,asdefinedbythistestmethod,arestronglydependentonglassandedgespacercleaningprocedures,IGspacerprofile,locationofspacer,andprimaryIGsealantapplication.UsersofthistestmethodmustrecognizethattheIGedgesealassemblyinfluencesthesecondarysealantproperties.1.3Thevaluesdeterminedbythistestmethodwillbecharacteristicoftheparticularedgesealassemblythatistested.Note18212;Presently,onlyelastomeric,chemicallycuringsiliconesealantsspecificallyformulatedforuseasthesecondarysealofIGunitsarerecognizedashavingthenecessarydurabilityforuseinstructuralsealantglazingapplications.1.4ThevaluesstatedinSI(metric)unitsaretoberegardedasthestandard.Theinch-poundvaluesgiveninparenthesesareapproximateequivalents,providedforinformationpurposes.
【中国标准分类号】:Q33
【国际标准分类号】:81_040_20
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Copperandcopperalloys-Determinationofleadcontent-Flameatomicabsorptionspectrometricmethod(FAAS)
【原文标准名称】:铜和铜合金.铅含量的测定.火焰原子吸收光谱测定方法(FAAS)
【标准号】:BSEN15622-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-03-31
【实施或试行日期】:2010-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:合金;分析;校准;化学分析和试验;含量;铜;铜合金;测定;含量测定;FAAS方法;燃烧原子吸收光谱测定法;铅含量;质量浓度;方法;有色金属;抽样方法;试验设备;试验;试验装置
【英文主题词】:Alloys;Analysis;Calibration;Chemicalanalysisandtesting;Content;Copper;Copperalloys;Determination;Determinationofcontent;FAASmethods;Flameatomicabsorptionspectrometry;Leadcontent;Massconcentration;Methods;Non-ferrousmetals;Samplingmethods;Testequipment;Testing;Testingdevices
【摘要】:Thisdocumentspecifiesaflameatomicabsorptionspectrometricmethod(FAAS)forthedeterminationoftheleadincopperandcopperalloysintheformofunwrought,wroughtandcastproducts.Themethodisapplicabletoproductshavingleadmassfractionsbetween0,01%and5,0%.
【中国标准分类号】:H13
【国际标准分类号】:77_120_30
【页数】:16P;A4
【正文语种】:英语
