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BSI 22/30445364 DC 2022

BSI 22/30445364 DC 2022

$13.70

BS EN ISO 4545-1. Metallic materials. Knoop hardness test – Part 1. Test method

Published By Publication Date Number of Pages
BSI 2022 34
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
8 5 Symbols and designations
5.1 Symbols and designations used in this document
9 5.2 Designation of hardness number
6 Testing machine
6.1 Testing machine
6.2 Indenter
6.3 Diagonal measuring system
10 7 Test piece
7.1 Test Surface
7.2 Preparation
7.3 Thickness
7.4 Support of unstable test pieces
7.5 Metallic and other inorganic coatings
11 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
12 8.6 Test force application
8.7 Prevention of the effect of shock or vibration
8.8 Minimum distance between adjacent indentations
13 8.9 Measurement of diagonal length
8.10 Calculation of hardness value
9 Uncertainty of the results
10 Test report
15 Annex€A (normative) Procedure for periodic checking of the testing machine, diagonal measuring system and the indenter by the user
17 Annex€B (informative) Uncertainty of the measured hardness values
24 Annex€C (informative) Knoop hardness measurement traceability
28 Annex€D (informative) CCM — Working group on hardness
29 Annex€E (informative) Adjustment of Köhler illumination systems
30 Annex€F (normative) Determining the Knoop hardness of metallic and other inorganic coatings
34 Bibliography

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BSI 22/30445364 DC 2022
$13.70