描述强度的一种最简单方法是以表面硬度来表示。
One simple way of describing strength is in terms of surface hardness.
建议：泵轴或防护套的表面硬度要达到60hrc。
Suggestion: pump shaft or protective set of surface hardness to achieve 60hrc.
样品表面的显微硬度值达到了335HV0.05，与基体相比表面硬度提高两倍左右。
The surface microhardness had improved from 160HV0.05 of the initial sample to 335HV0.05 after CRPD.
硬度检测是否在去除了氧化皮的表面上进行？
Is hardness tested on a surface that has been ground to remove decarburization?
因此，辊子表面有极高的硬度、脆性及热不稳定性。
Therefore, the roll surface is extremely hard and brittle and it is thermally unstable.
因此，辊子表面有极高的硬度、脆性及热不稳定性。
Therefore, the roll surface is extremely hard and brittle and it is thermally unstable.
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