ASTM B277-1995(2012) 标准详情
- 标准号:ASTM B277-1995(2012)
- 中文标题:电工材料硬度标准试验方法
- 英文标题:Standard Test Method for Hardness of Electrical Contact Materials
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1995
The Rockwell hardness and Rockwell superficial tests are useful when the test specimens are sufficiently thick (in relation to the indentor load) to ensure that the results are not affected by the flow of metal on the surface of the anvil. On a
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