The microhardness and surfaceroughness 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。
2
Frictional coefficients were mainly related with nanotube diameters of specimens, next with surfaceroughness 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。
3
The surfaceroughness comparison specimens are used to calibrate the surfaceroughness of work pieces by comparison. They are widely used in machinery industry.