Influence of Ball Milling Process on the Pinned Effect of Al₂O₃/Al Cermet Composite Powder

Abstract:

The Al₂O₃/Al cermet composite powders were prepared via the ball milling method,which provide raw materials for preparing high performance cermet materials. The results show that the number of Al₂O₃ particles on the surface of Al particles increases first and then decreases with increasing the ball milling time and milling rotating speed. The number of Al₂O₃ particles on the surface of Al particles increases with increasing ball to powder mass ratio. The analysis of the ratio of performance to price shows that the better parameters for preparing the pinned Al₂O₃/Al cermet composite powders are as follows, the ball milling time 24h,the ball milling rotating speed 100 r/min and the ratio of ball to powder 1:2.

• Periodical: Key Engineering Materials (Volume 777)
• Pages: 80-84
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.777.80
• Online since: August 2018
• Authors: Jie Guang Song*, Yue Liu, Long He, Jin Shi Li, Wang Chen, Yan Yang, Lin Chen, Songlin Guo, Chao Yang, Ai Xia Chen
• Keywords: Al₂O₃-Al Cermet, Ball Milling Process, Composite Powder, Pinned Effect

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