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首页> 外文会议>International Conference on Fracture and Strength of Solids >Effect of Cu Particles Precipitation on Wear Behaviour of Fe-3massCu Under Dry Sliding Condition
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Effect of Cu Particles Precipitation on Wear Behaviour of Fe-3massCu Under Dry Sliding Condition

机译：Cu颗粒沉淀对干滑动条件下Fe-3mass％Cu磨损行为的影响

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Effect of peak-aged and over-aged Cu particles on wear behaviour of ferritic iron was investigated by means of Pin-on-Disc wear test under dry sliding condition. It was found that hardness of the peak-aged sample was higher than the over-aged sample. The specific wear rates of peak-aged samples were in the range of 0.20 × 10~(-4) to 0.89 × 10~(-4)mm~3/(Nm) while the over-aged samples were in the range of 0.21 × 10~(-4)to 1.29 × 10~(-4)mm~3/(Nm). Although both samples possessed moderate wear behaviours, the peak-aged samples had better wear resistance. Scanning Electron Microscopy observation found that most wear mechanism were due to plastic ploughing phenomenon. Transferred materials from the counterface tool was also proven by Energy Dispersive Spectroscopy test. However, the roughness test showed that the peak-aged sample surface was finer than the over-aged sample surface. Average roughness of peak-aged samples were in the range of 0.49 to 1.79 ìm while the over-aged samples were in the range of 3.28 to 4.02 ìm. Hence, it can be concluded that the peak-aged Cu particles can improve the wear resistance of steel.
机译：干式滑动条件下的销盘磨损试验研究了峰老化和过老化Cu颗粒对铁素体铁磨损行为的影响。发现峰值老化样品的硬度高于过度老化的样品。峰老化样品的比磨损率在0.20×10〜（-4）至0.89×10〜（-4）mm〜3 /（nm）的范围内，而过老化样品在0.21的范围内×10〜（-4）至1.29×10〜（-4）mm〜3 /（nm）。虽然两个样品都具有中等磨损行为，但峰值老化的样品具有更好的耐磨性。扫描电子显微镜观察发现，大多数磨损机制是由于塑料犁犁现象。通过能量分散光谱检验还经过验证来自配对工具的转移材料。然而，粗糙度试验表明，峰老化样品表面比过老化的样品表面更精细。峰值样品的平均粗糙度在0.49至1.79℃的范围内，而过老化的样品在3.28至4.02μm的范围内。因此，可以得出结论，峰老化的Cu颗粒可以改善钢的耐磨性。

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