Effects of nano diamond particles on contact fatigue life of steel ball were evaluated on a self-made ball-rod contact fatiguetester.
利用自制的球-棒疲劳试验机，研究了纳米金刚石粉对钢球接触疲劳寿命的影响。
2
The contact fatiguetester has high contact stress, small volume, low noise, low consumption of test sam-pl, stable driving system and reliable results.
认为该装置具有接触应力大，体积小，噪声小，一次试验耗油量小，试验系统传动稳定，试验结果可信等优点。
3
Contact fatiguetester is very sensitive to the environment when it runs.