BS EN ISO 4545-2:2017 – TC:2020 Edition
$186.33
Tracked Changes. Metallic materials. Knoop hardness test – Verification and calibration of testing machines
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 60 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 36 | undefined |
| 38 | undefined |
| 40 | Foreword |
| 41 | 1 Scope 2 Normative references 3 Terms and definitions 4 General conditions |
| 42 | 5 Direct verification 5.1 General 5.2 Calibration of the test force |
| 43 | 5.3 Verification of the indenter |
| 44 | 5.4 Calibration and verification of the diagonal measuring system 5.5 Verification of the testing cycle |
| 45 | 5.6 Uncertainty of calibration/verification 6 Indirect verification 6.1 General 6.2 Test force and hardness levels 6.3 Measurement of reference indentations 6.4 Number of indentations 6.5 Verification result |
| 46 | 6.6 Repeatability 6.7 Bias |
| 47 | 6.8 Uncertainty of calibration/verification 7 Intervals between verifications 8 Verification report/calibration certificate 8.1 Knoop testing machine |
| 48 | 8.2 Knoop indenter |
| 49 | Annex A (informative) Uncertainty of the calibration results of the hardness testing system |
| 58 | Bibliography |
