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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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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
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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
Specifies a method for the determination of the fracture toughness of advanced technical ceramics. The procedure makes use of V-notched bars, which are loaded in 4-point bending until failure.
| Committee |
RPI/13
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| RevisionOf | |
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| CEN/TS 14425-5 : 2004 | Identical |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
| EN 843-1:2006 | Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 1: Determination of flexural strength |
| ENV 1006 : DRAFT 2003 | ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - GUIDANCE ON THE SELECTION OF TEST PIECES FOR THE EVALUATION OF PROPERTIES |
| CEN/TS 14425-1:2003 | Advanced technical ceramics - Test methods for determination of fracture toughness of monolithic ceramics - Part 1:Guide to test method selection |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| ISO 3611:2010 | Geometrical product specifications (GPS) — Dimensional measuring equipment: Micrometers for external measurements — Design and metrological characteristics |
| ISO 7500-1:2015 | Metallic materials Calibration and verification of static uniaxial testing machines Part 1: Tension/compression testing machines Calibration and verification of the force-measuring system |
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