ISO 19630:2017
Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods of test for reinforcements — Determination of tensile properties of filaments at ambient temperature
ISO 19630:2017 specifies the conditions for the determination of tensile properties of single filaments of ceramic fibre such as tensile strength, Young modulus and fracture strain. The method applies to continuous ceramic filaments taken from tows, yarns, braids and knittings, which have strain to fracture less than or equal to 5 %.
The method does not apply to carbon fibres that exhibit nonlinear stress-strain curve. The method does not apply to checking the homogeneity of strength properties of fibres, nor to assessing the effects of volume under stress. Statistical aspects of filament failure are not included.
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Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principle
5 Apparatus
6 Test specimens
7 Test specimen preparation
8 Number of test specimens
9 Test procedure
9.1 Displacement rate
9.2 Determination of the gauge length
9.3 Determination of the initial cross-section area
9.4 Testing technique
9.4.1 General
9.4.2 Load cell
9.4.3 Test specimen mounting
9.4.4 Measurements
9.4.5 Test validity
10 Calculation of results
10.1 Tensile strength
10.1.1 Determination of maximum tensile force
10.1.2 Calculation of tensile strength
10.2 Calculation of the load train compliance, Cl
10.3 Strain
10.4 Young modulus
10.5 Fracture strain
11 Test report
Bibliography
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Related Information
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BS 7134-0:1989
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BS EN 1006:2009
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BS EN 1007-1:2002
Advanced technical ceramics. Ceramic composites. Methods of test for reinforcements, Determination of size content
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BS EN 1007-2:2002
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Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principle
5 Apparatus
6 Test specimens
7 Test specimen preparation
8 Number of test specimens
9 Test procedure
9.1 Displacement rate
9.2 Determination of the gauge length
9.3 Determination of the initial cross-section area
9.4 Testing technique
9.4.1 General
9.4.2 Load cell
9.4.3 Test specimen mounting
9.4.4 Measurements
9.4.5 Test validity
10 Calculation of results
10.1 Tensile strength
10.1.1 Determination of maximum tensile force
10.1.2 Calculation of tensile strength
10.2 Calculation of the load train compliance, Cl
10.3 Strain
10.4 Young modulus
10.5 Fracture strain
11 Test report
Bibliography