NF EN ISO 4545-3
Metallic materials - Knoop hardness test - Part 3 : calibration of reference blocks
ISO 4545-3:2005 specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545-2.
The method is applicable only for indentations with long diagonals greater than or equal to 0,020 mm.
ISO 4545-3:2005 specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545-2.
The method is applicable only for indentations with long diagonals greater than or equal to 0,020 mm.
ISO 4545-3:2017 specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545‑2. The method is applicable only for indentations with long diagonals ≥0,020 mm.
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Fabrication du bloc de référence1
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4 Machine d'étalonnage2
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5 Mode opératoire d'étalonnage3
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6 Nombre d'empreintes3
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7 Uniformité de la dureté3
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8 Marquage4
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9 Validité4
- Annexe A (informative) Réglage des systèmes d'éclairage de Kohler5
- Annexe B (informative) Incertitude de mesure des blocs de référence de dureté6
- Bibliographie9
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