ISO 14628:2012
Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for rolling contact fatigue of silicon nitride ceramics at room temperature by balls-on-flat method
ISO 14628:2012 specifies a test method for rolling contact fatigue of silicon nitride ceramics under stepwise loading that is carried out at room temperature. This test may be used as follows: relative comparison of the rolling contact fatigue performance, a pass/fail test for material qualification of rolling elements or choosing an appropriate load level for RCF testing under constant load.
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CVP_Secretariat_Loca
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Testing machine
5.1 Structure of testing machine
5.2 Loading precision
6 Test specimens
6.1 Test specimen geometry
6.2 Fixation of test specimen
6.3 Specimen thickness
6.4 Surface finish
6.5 Number of test specimens
7 Test method
7.1 Balls
7.2 Loading method
7.3 Lubrication
7.4 Detection of surface failure
8 Treatment of test result
8.1 Mean effective load
8.2 Mean effective mechanical input
8.3 Flaking of ball surface
9 Test report
Annex A (informative) General information
Bibliography
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CVP_Secretariat_Loca
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Testing machine
5.1 Structure of testing machine
5.2 Loading precision
6 Test specimens
6.1 Test specimen geometry
6.2 Fixation of test specimen
6.3 Specimen thickness
6.4 Surface finish
6.5 Number of test specimens
7 Test method
7.1 Balls
7.2 Loading method
7.3 Lubrication
7.4 Detection of surface failure
8 Treatment of test result
8.1 Mean effective load
8.2 Mean effective mechanical input
8.3 Flaking of ball surface
9 Test report
Annex A (informative) General information
Bibliography