ISO 20509:2003
Fine ceramics (advanced ceramics, advanced technical ceramics) — Determination of oxidation resistance of non-oxide monolithic ceramics
ISO 20509:2003 describes the method of test for determining the oxidation resistance of non-oxide monolithic ceramics, such as silicon nitride, sialon and silicon carbide at high temperatures. This International Standard is designed to provide an assessment of the mass and dimensional changes of test pieces following oxidation at high temperature in an oxidizing atmosphere, and to assess whether oxidation has a significant effect on the subsequent strength. This test method may be used for materials development, quality control, characterization, and design data generation purposes.
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TitlePage - Fine ceramics (advanced ceramics, advanced technical ceramics)— Determination of oxi...
TableofContent - Contents Page
Foreword - Foreword
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 4 Apparatus
UntitledSubclause2 - 4.1 High temperature furnace
UntitledSubclause2 - 4.2 Support or supporting stand
UntitledSubclause2 - 4.3 Oven
UntitledSubclause2 - 4.4 Testing machine for flexural strength
UntitledSubclause2 - 4.5 Testing fixture for flexural strength
UntitledSubclause2 - 4.6 Micrometer
UntitledSubclause2 - 4.7 Vernier calliper
UntitledSubclause2 - 4.8 Balance
UntitledSubclause2 - 4.9 Thermocouple
Clause1 - 5 Test pieces
Clause1 - 6 Test procedure
Subclause2 - 6.1 Measurements of dimensions and mass of specimens
Subclause2 - 6.2 Baking out in the oxidation furnace
Subclause2 - 6.3 Oxidation test
Subclause3 - 6.3.1 Materials with high oxidation resistance
UntitledSubclause4 - 6.3.1.1 Place the test pieces on their supports (
UntitledSubclause4 - 6.3.1.2 Position a typeR or typeS thermocouple (
UntitledSubclause4 - 6.3.1.3 Supply the oxidizing gas at a rate sufficient to provide atmosphe...
UntitledSubclause4 - 6.3.1.4 Heat the furnace to the test temperature as indicated by the meas...
Subclause3 - 6.3.2 Materials with low oxidation resistance
Subclause2 - 6.4 Selecting test conditions
Subclause2 - 6.5 Measurements of mass and dimensional changes
Subclause2 - 6.6 Measurements of flexural strength
Subclause2 - 6.7 Particular features
Clause1 - 7 Calculations
Subclause2 - 7.1 Flexural strength
Subclause2 - 7.2 Mass change
Subclause2 - 7.3 Nominal dimensional change
Clause1 - 8 Test report
AnnexInformative - Useful information
Clause1 - A.1 General
Clause1 - A.2 Oxidation mechanisms and the formation of oxides
Clause1 - A.3 Mechanical properties after oxidation
AnnexInformative - Interlaboratory evaluation of the test method
Clause1 - B.1 General
Clause1 - B.2 Round robin for JISR1609
Clause1 - B.3 Round robin for ENV12923-2
Bibliography - Bibliography
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TitlePage - Fine ceramics (advanced ceramics, advanced technical ceramics)— Determination of oxi...
TableofContent - Contents Page
Foreword - Foreword
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 4 Apparatus
UntitledSubclause2 - 4.1 High temperature furnace
UntitledSubclause2 - 4.2 Support or supporting stand
UntitledSubclause2 - 4.3 Oven
UntitledSubclause2 - 4.4 Testing machine for flexural strength
UntitledSubclause2 - 4.5 Testing fixture for flexural strength
UntitledSubclause2 - 4.6 Micrometer
UntitledSubclause2 - 4.7 Vernier calliper
UntitledSubclause2 - 4.8 Balance
UntitledSubclause2 - 4.9 Thermocouple
Clause1 - 5 Test pieces
Clause1 - 6 Test procedure
Subclause2 - 6.1 Measurements of dimensions and mass of specimens
Subclause2 - 6.2 Baking out in the oxidation furnace
Subclause2 - 6.3 Oxidation test
Subclause3 - 6.3.1 Materials with high oxidation resistance
UntitledSubclause4 - 6.3.1.1 Place the test pieces on their supports (
UntitledSubclause4 - 6.3.1.2 Position a typeR or typeS thermocouple (
UntitledSubclause4 - 6.3.1.3 Supply the oxidizing gas at a rate sufficient to provide atmosphe...
UntitledSubclause4 - 6.3.1.4 Heat the furnace to the test temperature as indicated by the meas...
Subclause3 - 6.3.2 Materials with low oxidation resistance
Subclause2 - 6.4 Selecting test conditions
Subclause2 - 6.5 Measurements of mass and dimensional changes
Subclause2 - 6.6 Measurements of flexural strength
Subclause2 - 6.7 Particular features
Clause1 - 7 Calculations
Subclause2 - 7.1 Flexural strength
Subclause2 - 7.2 Mass change
Subclause2 - 7.3 Nominal dimensional change
Clause1 - 8 Test report
AnnexInformative - Useful information
Clause1 - A.1 General
Clause1 - A.2 Oxidation mechanisms and the formation of oxides
Clause1 - A.3 Mechanical properties after oxidation
AnnexInformative - Interlaboratory evaluation of the test method
Clause1 - B.1 General
Clause1 - B.2 Round robin for JISR1609
Clause1 - B.3 Round robin for ENV12923-2
Bibliography - Bibliography