The microhardness and surface roughness of specimens before and after shot peening was studied and analysed.
分析研究了喷丸强化处理前后的显微硬度和表面粗糙度。
Frictional coefficients were mainly related with nanotube diameters of specimens, next with surface roughness and elastic modulus of specimens.
摩擦系数主要受纳米管径的影响，还受表面粗糙度和弹性模量的共同影响。
The surface roughness comparison specimens are used to calibrate the surface roughness of work pieces by comparison. They are widely used in machinery industry.
表面粗糙度比较样块是用比较法检查零件表面粗糙度的一种量具，在机械工业生产中得到广泛的应用。
The surface roughness comparison specimens are used to calibrate the surface roughness of work pieces by comparison. They are widely used in machinery industry.
表面粗糙度比较样块是用比较法检查零件表面粗糙度的一种量具，在机械工业生产中得到广泛的应用。
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