...钢板的硬度是由硬质碳化铬合金硬度（维氏硬度1750V）与强力奥氏体复合基板的硬度共同组成的。复合板的宏观硬度（macro-hardness）为55-67 Hrc, 精确数值取决于复合层的不同厚度。 3、耐磨复合钢板表面十分光滑平坦，使得其表面摩擦系数很低。
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The results show that the distribution of macro-hardness presents gradient change, the subsurface layer's hardness is highest, its is 542 HV.
结果表明：渗层到基体的显微硬度呈梯度变化，最高硬度出现在亚表层，硬度为542 HV ；
This failure analysis was performed by using macro check, micrography and hardness measurement.
采用宏观分析、显微检验和硬度测定对压铸模进行了失效分析。
The quality analysis for gas nitrocarburized inner gear ring of heavy truck imported from Austria was taken by means of macro/micro-examination, hardness measuring and running test.
利用宏观分析、显微检验、硬度测试和装车试验等手段，对引进奥地利重型汽车内齿圈按照新的气体氮碳共渗工艺处理后的质量进行了研究。
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