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ASTM_C_1783_-_15.pdf

1、Designation:C178315Standard Guide forDevelopment of Specifications for Fiber Reinforced Carbon-Carbon Composite Structures for Nuclear Applications1This standard is issued under the fixed designation C1783;the number immediately following the designation indicates the year oforiginal adoption or,in

2、the case of revision,the year of last revision.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 document is a guide to preparing material specifi-cations for fiber reinforced carbon

3、-carbon(C-C)compositestructures(flat plates,rectangular bars,round rods,and tubes)manufactured specifically for structural components in nuclearreactor core applications.The carbon-carbon composites con-sist of carbon/graphite fibers(from PAN,pitch,or rayonprecursors)in a carbon/graphite matrix prod

4、uced by liquidinfiltration/pyrolysis and/or by chemical vapor infiltration.1.2 This guide provides direction and guidance for thedevelopment of a material specification for a specific C-Ccomposite component or product for nuclear reactor applica-tions.The guide considers composite constituents andst

5、ructure,physical and chemical properties,mechanicalproperties,thermal properties,performance durability,methodsof testing,materials and fabrication processing,and qualityassurance.The C-C composite materials considered herewould be suitable for nuclear reactor core applications whereneutron irradiat

6、ion-induced damage and dimensional changesare a significant design consideration.(1-4)21.3 The component specification is to be developed by thedesigner/purchaser/user.The designer/purchaser/user shall de-fine and specify in detail any and all application-specificrequirements for necessary design,ma

7、nufacturing,and perfor-mance factors of the ceramic composite component.This guideformaterialspecificationsdoesnotdirectlyaddresscomponent/product-specificissues,suchasgeometrictolerances,permeability,bonding,sealing,attachment,andsystem integration.1.4 This guide is specifically focused on C-C comp

8、ositecomponents and structures with flat panel,solid rectangularbar,solid round rod,or tubular geometries.1.5 This specification may also be applicable to C-C com-posites used for other structural applications discounting thenuclear-specific chemical purity and irradiation behavior fac-tors.1.6 Unit

9、sThe values stated in SI units are to be regardedas standard.No other units of measurement are included in thisstandard.1.7 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priat

10、e safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:3C242 Terminology of Ceramic Whitewares and RelatedProductsC559 Test Method for Bulk Density by Physical Measure-ments of Manufactured Carbon and Graphite Ar

11、ticlesC561 Test Method for Ash in a Graphite SampleC577 Test Method for Permeability of RefractoriesC611 Test Method for Electrical Resistivity of ManufacturedCarbon and Graphite Articles at Room TemperatureC625 Practice for Reporting Irradiation Results on GraphiteC709 Terminology Relating to Manuf

12、actured Carbon andGraphiteC714 Test Method for Thermal Diffusivity of Carbon andGraphite by Thermal Pulse MethodC769 Test Method for Sonic Velocity in ManufacturedCarbon and Graphite Materials for Use in ObtainingYoungs ModulusC816 Test Method for Sulfur in Graphite by Combustion-Iodometric Titratio

13、n MethodC838 Test Method for Bulk Density of As-ManufacturedCarbon and Graphite ShapesC1039 Test Methods for Apparent Porosity,Apparent Spe-cific Gravity,and Bulk Density of Graphite Electrodes1This guide is under the jurisdiction of ASTM Committee C28 on AdvancedCeramics and is the direct responsib

14、ility of Subcommittee C28.07 on CeramicMatrix Composites.Current edition approved Sept.1,2015.Published November 2015.DOI:10.1520/C178315.2The boldface numbers in parentheses refer to the list of references at the end ofthis standard.3For referenced ASTM standards,visit the ASTM website,www.astm.org

15、,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 C1179 Test Method for

16、Oxidation Mass Loss of Manufac-tured Carbon and Graphite Materials in AirC1198 Test Method for Dynamic Youngs Modulus,ShearModulus,and Poissons Ratio for Advanced Ceramics bySonic ResonanceC1233 Practice for Determining Equivalent Boron Contentsof Nuclear MaterialsC1239 Practice for Reporting Uniaxial Strength Data andEstimating Weibull Distribution Parameters for AdvancedCeramicsC1259 Test Method for Dynamic Youngs Modulus,ShearModulus,and Poissons Ratio for Advanced Ceramics byImpulse Excitati

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