NBN EN 843-4 : 2005
Current
The latest, up-to-date edition.
ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 4: VICKERS, KNOOP AND ROCKWELL SUPERFICIAL HARDNESS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Significance and use
4.1 General points
4.2 Verification of test equipment
4.3 Conversion of hardness numbers to other scales
5 Test method: method A: Vickers test
5.1 Principle
5.2 Machine calibration
5.3 Test piece
5.4 Test procedure
5.5 Accuracy and uncertainties
6 Test method: Method B: Knoop test
6.1 Principle
6.2 Machine calibration
6.3 Test piece
6.4 Test procedure
6.5 Accuracy and uncertainties
7 Test method: Method C: Rockwell tests
7.1 Principle
7.2 Machine calibration
7.3 Test piece
7.4 Test procedure
7.5 Accuracy and uncertainties
8 Interpretation
8.1 Microstructural factors
8.2 Interpretation of results
9 Test report
Annex A (informative) Interlaboratory evaluation of
hardness test methods
Bibliography
Specifies conditions for conducting, and provides guidelines concerning the value that may be ascribed to the results of, standard hardness tests when applied to advanced monolithic technical ceramics.
| DevelopmentNote |
Supersedes NBN ENV 843-4. (12/2005)
|
| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 843-4:2005 | Identical |
| BS EN 843-4:2005 | Identical |
| DIN EN 843-4:2005-08 | Identical |
| I.S. EN 843-4:2005 | Identical |
| UNI EN 843-4 : 2005 | Identical |
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