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ASTM_C_1366_-_04_2013.pdf

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1、Designation:C136604(Reapproved 2013)Standard Test Method forTensile Strength of Monolithic Advanced Ceramics atElevated Temperatures1This standard is issued under the fixed designation C1366;the number immediately following the designation indicates the year oforiginal adoption or,in the case of rev

2、ision,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 test method covers the determination of tensilestrength under uniaxial loading of monolithic advance

3、d ceram-ics at elevated temperatures.This test method addresses,but isnot restricted to,various suggested test specimen geometries aslisted in the appendix.In addition,test specimen fabricationmethods,testing modes(force,displacement,or strain control),testing rates(force rate,stress rate,displaceme

4、nt rate,or strainrate),allowable bending,and data collection and reportingprocedures are addressed.Tensile strength as used in this testmethod refers to the tensile strength obtained under uniaxialloading.1.2 This test method applies primarily to advanced ceramicswhich macroscopically exhibit isotro

5、pic,homogeneous,con-tinuous behavior.While this test method applies primarily tomonolithic advanced ceramics,certain whisker,or particle-reinforced composite ceramics as well as certain discontinuousfiber-reinforced composite ceramics may also meet thesemacroscopic behavior assumptions.Generally,con

6、tinuous fiberceramic composites(CFCCs)do not macroscopically exhibitisotropic,homogeneous,continuous behavior and applicationof this test method to these materials is not recommended.1.3 The values stated in SI units are to be regarded as thestandard and are in accordance with IEEE/ASTM SI 10.1.4 Th

7、is 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-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.Refer to Section 7for sp

8、ecific precautions.2.Referenced Documents2.1 ASTM Standards:2C1145 Terminology of Advanced CeramicsC1161 Test Method for Flexural Strength of AdvancedCeramics at Ambient TemperatureC1239 Practice for Reporting Uniaxial Strength Data andEstimating Weibull Distribution Parameters for AdvancedCeramicsC

9、1322 Practice for Fractography and Characterization ofFracture Origins in Advanced CeramicsD3379 Test Method for Tensile Strength and Youngs Modu-lus for High-Modulus Single-Filament MaterialsE4 Practices for Force Verification of Testing MachinesE6 Terminology Relating to Methods of Mechanical Test

10、ingE21 Test Methods for Elevated Temperature Tension Tests ofMetallic MaterialsE83 Practice for Verification and Classification of Exten-someter SystemsE220 Test Method for Calibration of Thermocouples ByComparison TechniquesE337 Test Method for Measuring Humidity with a Psy-chrometer(the Measuremen

11、t of Wet-and Dry-Bulb Tem-peratures)E380 Practice for Use of the International System of Units(SI)(the Modernized Metric System)(Withdrawn 1997)3E1012 Practice for Verification of Testing Frame and Speci-men Alignment Under Tensile and Compressive AxialForce ApplicationIEEE/ASTM SI 10 Standard for U

12、se of the InternationalSystem of Units(SI)(The Modern Metric System)1This test method is under the jurisdiction of ASTM Committee C28 onAdvanced Ceramics and is the direct responsibility of Subcommittee C28.01 onMechanical Properties and Performance.Current edition approved Aug.1,2013.Published Sept

13、ember 2013.Originallyapproved in 1997.Last previous edition approved in 2009 as C1366 04(2009).DOI:10.1520/C1366-04R13.2For 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 th

14、e standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.Terminology3.1 Definitions:3.1.1 Definitions of ter

15、ms relating to tensile testing andadvanced ceramics as they appear in Terminology E6 andTerminology C1145,respectively,apply to the terms used inthis test method.Pertinent definitions are shown in the follow-ing with the appropriate source given in parenthesis.Additionalterms used in conjunction wit

16、h this test method are defined inthe following.3.1.2 advanced ceramic,na highly engineered,high per-formance predominately non-metallic,inorganic,ceramic ma-terial having specific functional attributes.(See TerminologyC1145.)3.1.3 axial strain LL1,nthe average longitudinal strainsmeasured at the surface on opposite sides of the longitudinalaxis of symmetry of the specimen by two strain-sensingdevices located at the mid length of the reduced section.(SeePractice E1012.)3.1.4 bending strain LL 1,n

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