BS EN ISO 4545-1:2018 – TC:2020 Edition
$217.84
Tracked Changes. Metallic materials. Knoop hardness test – Test method
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 76 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 44 | National foreword |
| 46 | European foreword |
| 48 | Foreword |
| 51 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle |
| 52 | 5 Symbols and designations 5.1 Symbols and designations used in this document |
| 53 | 5.2 Designation of hardness number 6 Testing machine 6.1 Testing machine 6.2 Indenter 6.3 Diagonal measuring system |
| 54 | 7 Test piece 7.1 Test Surface 7.2 Preparation 7.3 Thickness 7.4 Support of unstable test pieces |
| 55 | 8 Procedure 8.1 Test temperature 8.2 Test force 8.3 Periodic verification 8.4 Test piece support 8.5 Focus on test surface |
| 56 | 8.6 Test force application 8.7 Prevention of the effect of shock or vibration 8.8 Minimum distance between adjacent indentations |
| 57 | 8.9 Measurement of diagonal length 8.10 Calculation of hardness value 9 Uncertainty of the results 10 Test report |
| 59 | Annex A (normative) Procedure for periodic checking of the testing machine, diagonal measuring system and the indenter by the user |
| 61 | Annex B (informative) Uncertainty of the measured hardness values |
| 68 | Annex C (informative) Knoop hardness measurement traceability |
| 72 | Annex D (informative) CCM — Working group on hardness |
| 73 | Annex E (informative) Adjustment of Köhler illumination systems |
| 74 | Bibliography |
