DD CEN/TS 14425-5:2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Advanced technical ceramics. Test methods for determination of fracture toughness of monolithic ceramics Single-edge vee-notch beam (SEVNB) method
Hardcopy , PDF
31-05-2016
English
21-02-2005
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Razor blades
5.2 Diamond paste
5.3 Lubricant
5.4 Test piece support
5.5 Flexural strength test jig
5.6 Mechanical testing machine
5.7 Ultrasonic cleaning bath
5.8 Micrometer
5.9 Microscope
5.10 Notch measuring device
5.11 Drying oven
5.12 Diamond slitting saw
6 Test piece preparation
6.1 Number of test pieces
6.2 Test-piece dimensions
6.3 Preparing the V-notch by hand
6.4 Preparing the V-notches by machine (optional)
7 Test procedure
7.1 Determination of notch root radius
7.2 Dimensions of test-piece
7.3 Flexural strength test
7.4 Measurement of notch depth
7.5 Calculation of fracture toughness
8 Precision and bias
9 Test report
Annex A (informative) Notch honing by machine
Annex B (informative) Interlaboratory evaluation of the SEVNB
fracture toughness test procedures
Bibliography
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