Factors Related To Wear Failure Of Wear-resistant Grinding Media Balls (2)

1. Angle: The impact angle has a great influence on the abrasion in erosive wear. The impact angle has different effects on brittle and ductile materials. For brittle materials such as ceramics, the amount of wear increases as the angle increases. Under the condition of vertical impact close to 90°, the amount of wear reaches the maximum, which indicates that brittle materials are not suitable for use in large-angle erosion conditions; for ductile materials At first, the amount of wear increases with the increase of the impact angle, reaches the maximum at a certain angle, and then decreases with the increase of the impact angle. This shows that ductile materials are prone to wear when working at low angles, while they can give full play to their wear resistance at high angles. This is because the hardness of ductile materials is low, and the abrasive particles are most beneficial to the cutting of the surface during low-angle erosion, and the amount of wear increases. When the brittle material is impacted vertically, the surface of the material is most likely to chip and peel off, so the amount of wear is the largest.

2. Temperature: As the temperature increases, wear increases.

3. Humidity: In actual engineering, in the case of metal friction pairs, the wear can be greatly reduced when liquid enters the grinding interface; but in the case of abrasive wear, moisture enters in the abrasive, and the wear becomes serious.

4. Particle size: Abrasive particle size: The impact on wear initially increases in a linear relationship with the increase in particle size. When it reaches a certain value, the so-called critical particle size, the growth of wear becomes slow, or appears No longer grows.

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