SAE AMS4992 Castings, Structural Investment, Titanium Alloy 6al 4v Hot Isostatically Pressed

作者:标准资料网 时间:2024-05-13 13:33:05   浏览:8523   来源:标准资料网
下载地址: 点击此处下载
Product Code:SAE AMS4992
Title:Castings, Structural Investment, Titanium Alloy 6al 4v Hot Isostatically Pressed
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers titanium Ti 6Al-4V alloy in the form of investment castings.
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodsforQuantitativeAnalysisofTextiles
【原文标准名称】:纺织品定量分析的标准试验方法
【标准号】:ASTMD629-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D13.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptancecriteria/testing--textilefabrics/fibers;Animalfibers;Bastandleaffibers/products;Celluloseandcellulosederivatives;Cellulosefiber;Chemicalproperties--textiles;Compositionanalysis--textiles;Cottonfibers;Cross-sectionmeasuremen
【摘要】:TestMethodsD629forthedeterminationofquantitativeanalysisoftextilesmaybeusedforacceptancetestingofcommercialshipmentsbutcautionisadvisedsinceinformationonbetween-laboratoryprecisionislacking.Comparativetestsasdirectedin5.1.1orbyTableD1909maybeadvisable.IncaseofadisputearisingfromdifferencesinreportedtestresultsusingTestMethodsD629foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimenshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingbegan.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandsuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.Theeffectsofthevariousreagentsusedinthechemicalmethodsontheresidualfibersinablenddependuponthehistoryofthefibersand,unlessotherwisestated,aregenerallytoosmallortoouncertaintowarranttheapplicationofcorrectionfactors.Fibercompositionisgenerallyexpressedeitherontheoven-drymassoftheoriginalsampleortheoven-drymassofthecleanfiberaftertheremovalofnonfibrousmaterials.Ifnonfibrousmaterialsarenotfirstremovedfromthetextilebeforethefiberanalysisiscarriedout,orifthetreatmentsdescribedinSection8areincapableofremovingthem,anysuchmaterialspresentwillincreasethepercentageofthefiberconstituentwithwhichtheyareremovedduringtheanalysis,assumingtheyaresolubleinthesolventused.Theanalyticalmethodsareintendedprimarilyfortheseparationofbinarymixturesoffibers.Theseproceduresmayalsobeusedfortheanalysisofmixturescontainingmorethantwotypesoffibersbyselectingthebestcombinationofmethodstouse(Table1).Sinceasequenceofsolventsonagivenfibermayproducedifferentresultsthantheexpectedresultsfromasinglesolvent,itisadvisabletodeterminetheresultsofsuchsequentialeffectswhentestingmultiplefiberblends.Itissometimesmoreconvenienttoseparatemechanicallytheyarnsinatextilewhichareofsimilartypes,andthenusetheappropriatechemicalmethodtoanalyzeeachofthecomponents.Table2showsthesolubilitiesofthevariousfibersindifferentchemicalreagents.1.1Thesetestmethodscoverproceduresforthedeterminationofthefiberblendcompositionofmixturesofthefiberslistedin1.2.Proceduresforquantitativeestimationoftheamountofmoistureandcertainnonfibrousmaterialsintextilesarealsodescribed,foruseintheanalysisofmixtures,butthesearenottheprimarymethodsforthedeterminationofmoisturecontentforcommercialweights.
【中国标准分类号】:W55
【国际标准分类号】:59_080_01
【页数】:22P.;A4
【正文语种】:英语


【英文标准名称】:Waterquality-Sampling-Guidanceonsamplingofbulksuspendedsolids
【原文标准名称】:水质.取样.块状悬浮固体的取样指南
【标准号】:BSISO5667-17-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-10-31
【实施或试行日期】:2008-10-31
【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】:定义;淡水;质量保证;流水;抽样方法;沉淀物;沉积物;污水处理厂;污泥;固体;水;水污染;水质
【英文主题词】:Definition;Definitions;Freshwater;Qualityassurance;Runningwaters;Samplingmethods;Sediment;Sewagetreatmentplants;Sludge;Solids;Water;Waterpollution;Waterquality
【摘要】:
【中国标准分类号】:Z16
【国际标准分类号】:13_060_45
【页数】:40P;A4
【正文语种】:英语