Metallic materials — Knoop hardness test — Part 3: Calibration of reference blocks
金属材料 - Knoop硬度测试 - 第3部分:参考块的校准
发布日期:
2017-12-14
ISO 4545-3:2017规定了用于间接验证努氏硬度试验机的参考试块的校准方法,如ISO 4545-2所述。
该方法仅适用于带有长对角线的压痕≥0020毫米。
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.