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ASTM International - ASTM C1683-10

Standard Practice for Size Scaling of Tensile Strengths Using Weibull Statistics for Advanced Ceramics

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Organization: ASTM International
Publication Date: 1 December 2010
Status: inactive
Page Count: 18
ICS Code (Advanced ceramics): 81.060.30
significance And Use:

Advanced ceramics usually display a linear stress-strain behavior to failure. Lack of ductility combined with flaws that have various sizes and orientations typically leads to large scatter in... View More

scope:

1.1 This standard practice provides methodology to convert fracture strength parameters (primarily the mean strength and the Weibull characteristic strength) estimated from data obtained with one test geometry to strength parameters representing other test geometries. This practice addresses uniaxial strength data as well as some biaxial strength data. It may also be used for more complex geometries proved that the effective areas and effective volumes can be estimated. It is for the evaluation of Weibull probability distribution parameters for advanced ceramics that fail in a brittle fashion. Fig. 1 shows the typical variation of strength with size. The larger the specimen or component, the weaker it is likely to be.

1.2 As noted in Practice C1239, the failure strength of advanced ceramics is treated as a continuous random variable. A number of functions may be used to characterize the strength distribution of brittle ceramics, but the Weibull distribution is the most appropriate especially since it permits strength scaling for the size of specimens or component. Typically, a number of test specimens with well-defined geometry are broken under well-defined loading conditions. The force at which each test specimen fails is recorded and fracture strength calculated. The strength values are used to obtain Weibull parameter estimates associated with the underlying population distribution.

Document History

July 1, 2019
Standard Practice for Size Scaling of Tensile Strengths Using Weibull Statistics for Advanced Ceramics
5.1 Advanced ceramics usually display a linear stress-strain behavior to failure. Lack of ductility combined with flaws that have various sizes and orientations typically leads to large scatter in...
January 1, 2015
Standard Practice for Size Scaling of Tensile Strengths Using Weibull Statistics for Advanced Ceramics
5.1 Advanced ceramics usually display a linear stress-strain behavior to failure. Lack of ductility combined with flaws that have various sizes and orientations typically leads to large scatter in...
ASTM C1683-10
December 1, 2010
Standard Practice for Size Scaling of Tensile Strengths Using Weibull Statistics for Advanced Ceramics
Advanced ceramics usually display a linear stress-strain behavior to failure. Lack of ductility combined with flaws that have various sizes and orientations typically leads to large scatter in...
January 1, 2008
Standard Practice for Size Scaling of Tensile Strengths Using Weibull Statistics for Advanced Ceramics
Advanced ceramics usually display a linear stress-strain behavior to failure. Lack of ductility combined with flaws that have various sizes and orientations typically leads to large scatter in...
January 1, 2008
Standard Practice for Size Scaling of Tensile Strengths Using Weibull Statistics for Advanced Ceramics
Advanced ceramics usually display a linear stress-strain behavior to failure. Lack of ductility combined with flaws that have various sizes and orientations typically leads to large scatter in...
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