BS EN ISO 8251:2018 – TC:2020 Edition
$217.84
Tracked Changes. Anodizing of aluminium and its alloys. Measurement of abrasion resistance of anodic oxidation coatings
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 85 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 49 | National foreword |
| 51 | European foreword |
| 54 | Foreword |
| 55 | Introduction |
| 56 | 1 Scope 2 Normative references 3 Terms and definitions |
| 57 | 4 Characteristics of abrasion tests 4.1 General 4.2 Abrasive-wheel-wear test 4.3 Abrasive jet test 4.4 Falling sand abrasion test 5 Abrasive-wheel-wear test 5.1 Principle |
| 58 | 5.2 Apparatus 5.2.1 Abrasive-wheel-wear test apparatus 5.2.2 Abrasive strip 5.2.3 Eddy-current meter 5.2.4 Balance 5.3 Procedure 5.3.1 Standard specimen |
| 59 | 5.3.2 Test specimen 5.3.3 Test procedure |
| 60 | 5.4 Expression of results 5.4.1 General 5.4.2 Wear resistance 5.4.3 Mass wear resistance 5.4.4 Wear index |
| 61 | 5.4.5 Mass wear index 6 Abrasive jet test 6.1 Principle 6.2 Apparatus 6.2.1 Abrasive jet test apparatus |
| 62 | 6.2.2 Abrading medium 6.2.3 Eddy-current meter 6.2.4 Balance 6.3 Procedure 6.3.1 Standard specimen 6.3.2 Test specimen |
| 63 | 6.3.3 Calibration of apparatus 6.3.4 Calibration of jet nozzle |
| 64 | 6.3.5 Determination 6.3.6 Use of a reference specimen 6.4 Expression of results 6.4.1 General 6.4.2 Abrasive jet factor 6.4.3 Mean specific abrasion resistance |
| 65 | 6.4.4 Relative mean specific abrasion resistance 7 Falling sand abrasion test 7.1 Principle 7.2 Apparatus 7.2.1 Falling sand abrasion test apparatus 7.2.2 Ohmmeter |
| 66 | 7.2.3 Abrading medium 7.3 Test specimen 7.3.1 Sampling 7.3.2 Size 7.3.3 Treatment before testing 7.4 Test environment 7.5 Test conditions 7.6 Test procedure 7.6.1 General 7.6.2 Electrical conductivity method |
| 67 | 7.6.3 Spot diameter method 7.7 Expression of results 7.7.1 Electrical conductivity method 7.7.2 Spot diameter method 8 Test report |
| 69 | Annex A (normative) Preparation of the standard specimen |
| 71 | Annex B (informative) Other expressions of results for the abrasive-wheel-wear test |
| 74 | Annex C (informative) Depth survey of abrasion resistance |
| 77 | Annex D (informative) Design of abrasive-wheel-wear test apparatus |
| 79 | Annex E (informative) Design of abrasive jet test apparatus |
| 82 | Annex F (informative) Design of falling sand abrasion test apparatus |
| 84 | Bibliography |
