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BS EN ISO 22459:2022 Fine ceramics (advanced ceramics, advanced technical ceramics). Reinforcement of ceramic composites. Determination of distribution of tensile strength and tensile strain to failure of filaments within a multifilament tow at ambient te >
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BS EN ISO 22459:2022 Fine ceramics (advanced ceramics, advanced technical ceramics). Reinforcement of ceramic composites. Determination of distribution of tensile strength and tensile strain to failure of filaments within a multifilament tow at ambient te, 2022
- undefined [Go to Page]
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Significance and use
- 6 Apparatus
- 6.1 Tensile testing equipment
- 6.2 Data recording
- 7 Test specimen
- 7.1 General
- 7.2 Window type specimen
- 7.3 Cylindrical end type specimen
- 8 Test specimen preparation
- 8.1 General
- 8.2 Window type specimen
- 8.3 Cylindrical end type specimen
- 8.4 Number of test specimens
- 9 Test procedure
- 9.1 Determination of the initial cross-section area
- 9.2 Determination of the gauge length
- 9.3 Gripping
- 9.4 Selection of strain rate
- 9.5 Test procedure
- 9.6 Determination of load train compliance
- 9.7 Test validity
- 10 Calculation of results
- 10.1 Calculation of the load train compliance Cl
- 10.2 Calculation of probability of filament rupture Pj from the tests on specimens with a gauge length of 200 mm
- 10.2.1 Determination of the true origin
- 10.2.2 Construction of envelope curve and determination of instantaneous compliance Ct,j
- 10.2.3 Probability of filament rupture
- 10.3 Distribution of filament rupture strain
- 10.3.1 Calculation of filament rupture strain
- 10.3.2 Filament rupture strain distribution
- 10.4 Distribution of filament strength
- 10.4.1 Initial cross-section area
- 10.4.2 Calculation of filament strength
- 10.4.3 Filament strength distribution
- 10.4.4 Average filament strengths
- 10.4.5 Mean filament strength
- 11 Test report
- Annex A (informative) Abstract of the handbook of mathematical functions
- Bibliography [Go to Page]