1、Designation: C1793 15Standard Guide forDevelopment of Specifications for Fiber Reinforced SiliconCarbide-Silicon Carbide Composite Structures for NuclearApplications1This standard is issued under the fixed designation C1793; the number immediately following the designation indicates the year oforigi
2、nal adoption or, in 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 f
3、or silicon carbide fiber/silicon carbide matrix (SiC-SiC) composite structures (flat plates, rectangular bars, roundrods, and tubes) manufactured specifically for structural com-ponents and for fuel cladding in nuclear reactor core applica-tions. The SiC-SiC composites consist of silicon carbide fib
4、ersin a silicon carbide matrix produced by liquid infiltration/pyrolysis and/or by chemical vapor infiltration.1.2 This guide provides direction and guidance for thedevelopment of a material specification for a specific SiC-SiCcomposite component or product for nuclear reactor applica-tions. The gui
5、de considers composite constituents andstructure, physical and chemical properties, mechanicalproperties, thermal properties, performance durability, methodsof testing, materials and fabrication processing, and qualityassurance. The SiC-SiC composite materials considered herewould be suitable for nu
6、clear reactor core applications whereneutron irradiation-induced damage and dimensional changesare significant design considerations. (1-8)21.3 The component material specification is to be developedby the designer/purchaser/user. The designer/purchaser/usershall define and specify in detail any and
7、 all application-specific requirements for design, manufacturing, performance,and quality assurance of the ceramic composite component.Additional specification items for a specific component, be-yond those listed in this guide, may be required based onintended use, such as geometric tolerances, perm
8、eability,bonding, sealing, attachment, and system integration.1.4 This guide is specifically focused on SiC-SiC compositecomponents and structures with flat plate, solid rectangular bar,solid round rod, and tubular geometries.1.5 This guide may also be applicable to the development ofspecifications
9、for SiC-SiC composites used for other structuralapplications, discounting the nuclear-specific chemical purityand irradiation behavior factors.1.6 UnitsThe 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 p
10、urport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3
11、C242 Terminology of Ceramic Whitewares and RelatedProductsC559 Test Method for Bulk Density by Physical Measure-ments of Manufactured Carbon and Graphite ArticlesC577 Test Method for Permeability of RefractoriesC611 Test Method for Electrical Resistivity of ManufacturedCarbon and Graphite Articles a
12、t Room TemperatureC625 Practice for Reporting Irradiation Results on GraphiteC714 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 S
13、ulfur in Graphite by Combustion-Iodometric Titration 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 ElectrodesC1145 Terminology of Advanced Ceramics1This guide is u
14、nder the jurisdiction of ASTM Committee C28 on AdvancedCeramics and is the direct responsibility of Subcommittee C28.07 on CeramicMatrix Composites.Current edition approved Sept. 1, 2015. Published November 2015. DOI:10.1520/C1793-152The boldface numbers in parentheses refer to the list of reference
15、s at the end ofthis standard.3For 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 onthe ASTM website.Copyright ASTM International, 10
16、0 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1C1179 Test Method for 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
17、 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
18、Excitation of VibrationC1274 Test Method for Advanced Ceramic Specific SurfaceArea by Physical AdsorptionC1275 Test Method for Monotonic Tensile Behavior ofContinuous Fiber-Reinforced Advanced Ceramics withSolid Rectangular Cross-Section Test Specimens at Am-bient TemperatureC1291 Test Method for El
19、evated Temperature Tensile CreepStrain, Creep Strain Rate, and Creep Time-to-Failure forAdvanced Monolithic CeramicsC1292 Test Method for Shear Strength of Continuous Fiber-Reinforced Advanced Ceramics at Ambient TemperaturesC1337 Test Method for Creep and Creep Rupture of Con-tinuous Fiber-Reinforc
20、ed Advanced Ceramics Under Ten-sile Loading at Elevated TemperaturesC1341 Test Method for Flexural Properties of ContinuousFiber-Reinforced Advanced Ceramic CompositesC1358 Test Method for Monotonic Compressive StrengthTesting of Continuous Fiber-Reinforced Advanced Ce-ramics with Solid Rectangular
21、Cross-Section Test Speci-mens at Ambient TemperaturesC1359 Test Method for Monotonic Tensile Strength Testingof Continuous Fiber-Reinforced Advanced Ceramics WithSolid Rectangular Cross-Section Test Specimens at El-evated TemperaturesC1360 Practice for Constant-Amplitude, Axial, Tension-Tension Cycl
22、ic Fatigue of Continuous Fiber-ReinforcedAdvanced Ceramics at Ambient TemperaturesC1425 Test Method for Interlaminar Shear Strength of 1Dand 2D Continuous Fiber-Reinforced Advanced Ceram-ics at Elevated TemperaturesC1468 Test Method for Transthickness Tensile Strength ofContinuous Fiber-Reinforced A
23、dvanced Ceramics at Am-bient TemperatureC1470 Guide for Testing the Thermal Properties of Ad-vanced CeramicsC1525 Test Method for Determination of Thermal ShockResistance for Advanced Ceramics by Water QuenchingC1557 Test Method for Tensile Strength and Youngs Modu-lus of FibersC1683 Practice for Si
24、ze Scaling of Tensile Strengths UsingWeibull Statistics for Advanced CeramicsC1773 Test Method for Monotonic Axial Tensile Behaviorof Continuous Fiber-ReinforcedAdvanced Ceramic Tubu-lar Test Specimens at Ambient TemperatureD2766 Test Method for Specific Heat of Liquids and SolidsD3171 Test Methods
25、for Constituent Content of CompositeMaterialsD3529/D3529M Test Method for Matrix Solids Content andMatrix Content of Composite PrepregD3800 Test Method for Density of High-Modulus FibersD3878 Terminology for Composite MaterialsD4018 Test Methods for Properties of Continuous FilamentCarbon and Graphi
26、te Fiber TowsD4284 Test Method for Determining Pore Volume Distribu-tion of Catalysts and Catalyst Carriers by Mercury Intru-sion PorosimetryD4850 Terminology Relating to Fabrics and Fabric TestMethodsD5528 Test Method for Mode I Interlaminar Fracture Tough-ness of Unidirectional Fiber-Reinforced Po
27、lymer MatrixCompositesD5600 Test Method for Trace Metals in Petroleum Coke byInductively Coupled Plasma Atomic Emission Spectrom-etry (ICP-AES)D5766 Test Method for Open-Hole Tensile Strength ofPolymer Matrix Composite LaminatesD5961 Test Method for Bearing Response of Polymer Ma-trix Composite Lami
28、natesD6484 Test Method for Open-Hole Compressive Strength ofPolymer Matrix Composite LaminatesD6507 Practice for Fiber Reinforcement Orientation Codesfor Composite MaterialsD6671 Test Method for Mixed Mode I-Mode II InterlaminarFracture Toughness of Unidirectional Fiber ReinforcedPolymer Matrix Comp
29、ositesD7136 Test Method for Measuring the Damage Resistanceof a Fiber-Reinforced Polymer Matrix Composite to aDrop-Weight Impact EventD7137 Test Method for Compressive Residual StrengthProperties of Damaged Polymer Matrix Composite PlatesD7219 Specification for Isotropic and Near-isotropicNuclear Gr
30、aphitesD7542 Test Method for Air Oxidation of Carbon and Graph-ite in the Kinetic RegimeE6 Terminology Relating to Methods of Mechanical TestingE111 Test Method for Youngs Modulus, Tangent Modulus,and Chord ModulusE132 Test Method for Poissons Ratio at Room TemperatureE143 Test Method for Shear Modu
31、lus at Room TemperatureE228 Test Method for Linear Thermal Expansion of SolidMaterials With a Push-Rod DilatometerE261 Practice for Determining Neutron Fluence, FluenceRate, and Spectra by Radioactivation TechniquesE289 Test Method for Linear Thermal Expansion of RigidSolids with InterferometryE408
32、Test Methods for Total Normal Emittance of SurfacesUsing Inspection-Meter TechniquesE423 Test Method for Normal Spectral Emittance at El-evated Temperatures of Nonconducting SpecimensE1269 Test Method for Determining Specific Heat Capacityby Differential Scanning CalorimetryC1793 152E1309 Guide for
33、Identification of Fiber-ReinforcedPolymer-Matrix Composite Materials in Databases (With-drawn 2015)4E1461 Test Method for Thermal Diffusivity by the FlashMethodE1922 Test Method for Translaminar Fracture Toughness ofLaminated and Pultruded Polymer Matrix CompositeMaterialsE2586 Practice for Calculat
34、ing and Using Basic Statistics2.2 Non-ASTM Standards:CMH-17, Volume 5 Composite Materials Handbook (CMCHandbook)ASME B46.1-2009 Surface Texture (Surface Roughness,Waviness, and Lay)53. Terminology3.1 Definitions:3.1.1 GeneralMany of the terms in this guide for speci-fications are defined in the term
35、inology standards for ceramicwhitewares (C242), advanced ceramics (C1145), compositematerials (D3878), fabrics and test methods (D4850), andmechanical testing (E6).3.1.2 apparent porosity, nthe volume fraction of all pores,voids, and channels within a solid mass that are interconnectedwith each othe
36、r and communicate with the external surface,and thus are measurable by gas or liquid penetration. (Syn-onym open porosity) C2423.1.3 braided fabric, na woven structure produced byinterlacing three or more ends of yarns in a manner such thatthe paths of the yarns are diagonal to the vertical axis of
37、thefabric. D48503.1.3.1 DiscussionBraided structures can have 2D or 3Darchitectures.3.1.4 bulk density, nthe mass of a unit volume of materialincluding both permeable and impermeable voids. D72193.1.5 ceramic matrix composite, na material consisting oftwo or more materials (insoluble in one another)
38、, in which themajor, continuous component (matrix component) is a ceramic,while the secondary component(s) (reinforcing component)may be ceramic, glass-ceramic, glass, metal or organic innature. These components are combined on a macroscale toform a useful engineering material possessing certain pro
39、per-ties or behavior not possessed by the individual constituents.C11453.1.6 fabric, nin textiles, a planar structure consisting ofyarns or fibers. D48503.1.7 fiber, na fibrous form of matter with an aspect ratio10 and an effective diameter 1 mm. (Synonym filament)D38783.1.7.1 DiscussionA fiber/fila
40、ment forms the basic ele-ment of fabrics and other textile structures.3.1.8 fiber areal weight, nthe mass per unit area of thefibrous reinforcement of a composite material.D3529/D3529M3.1.9 fiber content/fraction (volume or weight), ntheamount of fiber present in a composite, expressed either as ape
41、rcent by weight or a percent by volume. D38783.1.10 fiber preform, na preshaped fibrous reinforcement,normally without matrix, but often containing a binder tofacilitate manufacture, formed by distribution/weaving of fi-bers to the approximate contour and thickness of the finishedpart. D38783.1.11 f
42、ill, nin a woven fabric, the yarn running fromselvage to selvage at right angles to the warp. D38783.1.12 hybrid, n(for composite materials) containing atleast two distinct types of matrix or reinforcement. Each matrixor reinforcement type can be distinct because of its a) physicalor mechanical prop
43、erties, or both, b) material form, or c)chemical composition. D38783.1.13 injection molding, nin composite fabrication, theprocess of forcing liquid polymer under pressure into a closedmold that contains a fiber preform.3.1.14 knitted fabric, na fiber structure produced by inter-looping one or more
44、ends of yarn or comparable material.D48503.1.15 laminate, nany fiber- or fabric-reinforced compos-ite consisting of laminae (plies) with one or more orientationswith respect to some reference direction. D38783.1.16 lay-up, na process or fabrication involving theplacement of successive layers of mate
45、rials in specified se-quence and orientation. E1309, D65073.1.17 matrix, nthe continuous constituent of a compositematerial, which surrounds or engulfs the embedded reinforce-ment in the composite and acts as the load transfer mechanismbetween the discrete reinforcement elements. D38783.1.18 matrix
46、content, nthe amount of matrix present in acomposite expressed either as a percent by weight or a percentby volume. D38783.1.19 ply, nin 2D laminar composites, the constituentsingle layer as used in fabricating, or occurring within, acomposite structure. D38783.1.20 prepreg, nthe admixture of fibrou
47、s reinforcementand polymeric matrix used to fabricate composite materials. Itsform may be sheet, tape, or tow. For thermosetting polymer, thepolymer has been partially cured to a controlled viscositycalled “B stage.” D38783.1.21 selvage, nthe woven edge portion of a fabricparallel to the warp. D3878
48、3.1.22 tow, nin fibrous composites, a continuous, orderedassembly of essentially parallel, collimated continuousfilaments, normally without twist. (Synonym roving) D38783.1.23 unidirectional composite, nany fiber reinforcedcomposite with all fibers aligned in a single direction. D38783.1.24 warp, nt
49、he yarn running lengthwise in a wovenfabric. D38784The last approved version of this historical standard is referenced onwww.astm.org.5Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Two Park Ave., New York, NY 10016-5990, http:/www.asme.org.C1793 1533.1.25 woven fabric, na fabric structure produced by theinterlacing, in a specific weave pattern, of tows or yarnsoriented in two or more directions.3.1.25.1 DiscussionThere are a large variety of 2D weavestyles, e.g., plain, satin, twill, bask
