1、Designation:D647713Standard Terminology Relating toTire Cord,Bead Wire,Hose Reinforcing Wire,and Fabrics1This standard is issued under the fixed designation D6477;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revis
2、ion.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This terminology is the compilation of all definitionsdeveloped by Subcommittee D13.19 on Tire Cords and Fab-rics.1.2 The terminology
3、,mostly definitions,is unique to the tirecord fabric industry.Meanings of the same terms used outsidethe tire cord fabric industry can be found in other compilationsor in dictionaries of general usage.1.3 In addition to being a specialized dictionary,this termi-nology is also a tool for managing the
4、 Subcommitteesterminology.This includes finding,eliminating,and preventingredundancies,that is,where two or more terms relating to thesame concept are defined in different words.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD885 Test Methods for Tire Cords,Tire Cord
5、Fabrics,andIndustrial Filament Yarns Made from ManufacturedOrganic-Base FibersD1871 Test Method for Adhesion Between Tire Bead Wireand RubberD2229 Test Method for Adhesion Between Steel Tire Cordsand RubberD2692 Test Method for Air Wicking of Tire Fabrics,TireCord Fabrics,Tire Cord,and YarnsD2969 Te
6、st Methods for Steel Tire CordsD2970/D2970M Test Methods for Testing Tire Cords,TireCord Fabrics,and Industrial Yarns Made From GlassFilamentsD4393 Test Method for Strap Peel Adhesion of ReinforcingCords or Fabrics to Rubber CompoundsD4776 Test Method for Adhesion of Tire Cords and OtherReinforcing
7、Cords to Rubber Compounds by H-TestProcedureD4974 Test Method for Hot Air Thermal Shrinkage of Yarnand Cord Using a Thermal Shrinkage OvenD4975 Test Methods for Single-Filament Tire Bead WireMade from SteelD5591 Test Method for Thermal Shrinkage Force of Yarnand Cord With a Thermal Shrinkage Force T
8、esterD6320 Test Methods for Single Filament Hose ReinforcingWire Made from SteelD6477 Terminology Relating to Tire Cord,Bead Wire,HoseReinforcing Wire,and Fabrics3.Terminologyadhesion,nin tire fabrics,the force required to separate atextile material from rubber or other elastomer by a definiteprescr
9、ibed method.D1871,D2229,D4393,D4776adhesion,nthe property denoting the ability of a material toresist delamination or separation into two or more layers.D6477adhesive treated tire cord,na tire cord whose adhesion torubber or other elastomer has been improved by the appli-cation of a dip followed by
10、rapid drying and(normally)additional heat treatment.D5591air wicking,n in tires,the passage of air longitudinally alongor through yarns in a fabric that has been encased and curedin rubber or other elastomer,that is,air permeability in theplane of the fabric.D2692breaking force,nthe maximum force ap
11、plied to a materialcarried to rupture.DISCUSSIONMaterials that are brittle usually rupture at the maxi-mum force.Materials that are ductile are usually capable of withstand-ing the maximum force without rupturing.For many years,it has beenthe usual practice in the tire industry and related industrie
12、s to use theterm breaking strength to characterize yarn and cord of a specified sizeand type without consideration of their unit size.Numerically,breakingstrength is equal to breaking force for the same specimen.The averageof the breaking forces observed on two or more specimens of a specificsample
13、is referred to as the sample breaking strength,which is theproperty used in engineering calculations for a specific textile material.Tensile strength and breaking tenacityare derived or calculated valuesfor materials that include consideration of the unit size of the materials.These terms can be use
14、d to compare intrinsic strengths of yarns and1This terminology is under the jurisdiction ofASTM Committee D13 on Textilesand is the direct responsibility of Subcommittee D13.19 on Industrial Fibers andMetallic Reinforcements.Current edition approved Jan.1,2013.Published January 2013.Originallyapprov
15、ed in 1999.Last previous edition approved in 2011 as D647711.DOI:10.1520/D6477-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page ont
16、he ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 cords of different sizes or different materials.The term tensile strength,in MPA(psi),is not synonymous hit either breaking force or breakingstrength,in N(lbf),or breaking tenacity,in mN/tex(gf/den).D885,D2970/D2970M,D4975,D6320breaking strength,nthe ability or capacity of a specificmaterial to withstand the ultimate tensile load or forcerequired for rupture.(See also ten
