SAE AMS6484 Steel, Bars, Forgings, and Tubing 0.80cr 1.8ni 0.25mo (0.38 - 0.43c) Normalized and Tempered
作者:标准资料网 时间:2024-05-03 19:04:14 浏览:8895
来源:标准资料网
Product Code:SAE AMS6484
Title:Steel, Bars, Forgings, and Tubing 0.80cr 1.8ni 0.25mo (0.38 - 0.43c) Normalized and Tempered
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers an aircraft-quality, low-alloy steel in the form of bars, fogings, mechanical tubing, and forging stock.
【英文标准名称】:StandardTestMethodforAdhesionofTireCordsandOtherReinforcingCordstoRubberCompoundsbyH-TestProcedure
【原文标准名称】:H-试验法测定轮胎帘布和其他增强帘布对橡胶化合物的粘附性的标准试验方法
【标准号】:ASTMD4776/D4776M-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D13.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:adhesion;reinforcements(textiles);rubber;tirecord;Acceptancecriteria/testing--textilefabrics/fibers;Heatingtests--rubber;Heatingtests--textilematerials/applications;Hollandcloth;H-testadhesion;Rubberadhesion;Rubbercompounding
【摘要】:TestMethodD4776forthedeterminationoftheH-testadhesionofreinforcingcordstorubbercompoundsmaybeusedfortheacceptancetestingofcommercialshipmentsofreinforcingcordsbutcautionisadvisedsinceinformationaboutbetween-laboratoryprecisionisincomplete.Comparativetestsasdirectedin5.1.1maybeadvisable.IncasesofdisputearisingfromthedifferencesinreportedtestresultswhenusingTestMethodD4776foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisstatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingbegins.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.Thistestmethodisusedtomeasuretheforcerequiredtoextractthecordfromarubbercompoundtestblock.Thistestmethodisdesignedtotesttheadhesionoftextilesthatarebondedtorubbercompounds.Variablesthatmaycontributetodifferencesinresultsofthistestmethodincludeadhesivetype,adhesiveapplicationprocedure,adhesivecure,fibertype,constructionofcords,rubbertype,rubbercure,andrubberthickness.Thedeleteriouseffectofozoneincombinationwithatmosphericmoistureontheabilityofadhesivestobondwithrubberrequiresassiduousprotectionofcordspriortoembedment.Theexpectedrangeofvalueswhichcharacterizeacceptableadhesioncanbedeterminedinanycord-rubbercombinationwithexperience.Forthisreason,thepurchasernormallyestablishesaminimumlevelofadhesiontobeobtainedbythesupplierineitherthesupplier''slaboratoryorthepurchaser''slaboratoryusingeitherthesupplier''sstandardrubbercompoundorthepurchaser''srubbercompound.AnotherprocedurefortestingadhesionofcordstorubbercompoundsisTestMethodsD4393.Thisprocedurehasbeenusedextensivelyinthetradeforacceptancetesting.Resultsobtainedbythismethodcannotbeusedinterchangeablysincethereisnooverallcorrelationbetweenthem.1.1Thistestmethodcoversthemeasurementofadhesionofreinforcingcordsthatarebondedtorubbercompounds.Thistestmethodisapplicabletotextilecordstructuresfrombothnaturalandmanmadefibers,otherthansteel.Foradhesiontestingofsteeltirecords,refertoTestMethodD2229.1.2Thistestmethodisprimarilyusedtoevaluatetirecords,usingasuitabletirecordadhesiveandasuitablerubbercompound.Thistestmethodisalsousedtoevaluate(1)tirecordadhesives,and(2)theprocessofadhesivereactiononthecordusingoneconsistentformoftirecordandoneconsistentrubbercompound.Thistestmethodmaybeusedtoevaluatecordsinindustrialhoseandbeltingproductsandothercordreinforcedrubberproducts.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyofthe......
【中国标准分类号】:G41
【国际标准分类号】:83_160_01
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:Polyestermouldingcompoundsforelectricalandotherpurposes-Specificationforsheetmouldingcompoundsformechanicalpurposes
【原文标准名称】:电工和其它用途用聚酯模塑料.第5部分:机械用玻璃纤维增强热固性塑料片材规范
【标准号】:BS5734-5-1990
【标准状态】:现行
【国别】:英国
【发布日期】:1990-10-31
【实施或试行日期】:1990-10-31
【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】:聚酯;玻璃;材料强度;模制;作标记;塑料;增强的材料;试验条件;模压复合物;高聚物;成份允差;弹性常数;重量公差;等级(质量);冲击强度;热固性聚合物;弯曲;薄板材
【英文主题词】:Bending;Compositionaltolerances;Elasticconstants;Glass;Grades(quality);Impactstrength;Marking;Mouldingcompounds;Moulding(process);Plastics;Polyesters;Polymers;Reinforcedmaterials;Sheetmaterials;Strengthofmaterials;Testingconditions;Thermosettingpolymers;Weighttolerances
【摘要】:GivestherequirementsforcompoundswhenevaluatedbythemethodsgiveninPart1.
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:10P.;A4
【正文语种】:英语
