ISO 17167:2018
Fine ceramics (advanced ceramics, advanced technical ceramics) — Mechanical properties of monolithic ceramics at room temperature — Determination of flexural strength by the ring-on-ring test
This document specifies a method for the determination of the nominal equibiaxial flexural strength by the ring-on-ring test of advanced monolithic technical ceramic materials at room temperature.
This document is applicable to materials with a grain size less than 100 µm.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Significance and use
6 Apparatus
6.1 Test machine
6.2 Test jig
6.3 Calliper or alternative calibrated device for the measurement of the test piece thickness
6.4 Device for measuring the temperature and humidity
7 Test pieces
7.1 General
7.2 Dimensions and tolerances
7.3 Surface finish
7.3.1 General
7.3.2 Surface finishing I: as-fired
7.3.3 Surface finishing II: grinding/lapping/polishing
7.3.4 Surface finish III: finishing by agreed procedure
7.3.5 Check of dimensions
7.3.6 General requirements
7.3.7 Number of test pieces
7.4 Precautions
8 Procedure
9 Calculations
10 Test report
Annex A (informative) Typical fracture patterns of ceramic test pieces after a ring-on-ring test
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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Advanced technical ceramics. Ceramic composites. Methods of test for reinforcements, Determination of linear density
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Significance and use
6 Apparatus
6.1 Test machine
6.2 Test jig
6.3 Calliper or alternative calibrated device for the measurement of the test piece thickness
6.4 Device for measuring the temperature and humidity
7 Test pieces
7.1 General
7.2 Dimensions and tolerances
7.3 Surface finish
7.3.1 General
7.3.2 Surface finishing I: as-fired
7.3.3 Surface finishing II: grinding/lapping/polishing
7.3.4 Surface finish III: finishing by agreed procedure
7.3.5 Check of dimensions
7.3.6 General requirements
7.3.7 Number of test pieces
7.4 Precautions
8 Procedure
9 Calculations
10 Test report
Annex A (informative) Typical fracture patterns of ceramic test pieces after a ring-on-ring test
Bibliography