Improvement on ball-milling composite process of metal matrix micro-nanometer powder using nanosuspension as the precursor

Hongyu Wang; Jianzhong Zhou; Xiangfeng Li; Qing Shen; Man Cheng

doi:10.1117/12.2067040

18 December 2014 Improvement on ball-milling composite process of metal matrix micro-nanometer powder using nanosuspension as the precursor

Hongyu Wang, Jianzhong Zhou, Xiangfeng Li, Qing Shen, Man Cheng

Author Affiliations +

Proceedings Volume 9295, International Symposium on Optoelectronic Technology and Application 2014: Laser Materials Processing; and Micro/Nano Technologies; 92950D (2014) https://doi.org/10.1117/12.2067040
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

The wet ball-milling preparation of metal matrix micro-nanometer powder using nanosuspension as the precursor can well solve the agglomeration of nanoscale component, but the micro-nanometer powder prepared by the method can hardly meet the requirement of powder feeding in laser cladding process and its composite effect is still not desirable enough. Aiming at the problem, the ball-milling composite process of metal matrix micro-nanometer powder using nanosuspension as the precursor was analyzed. It has been found that the morphological diversity of original micron powder is the main influencing factor of the deliverability and the composite effect of micro-nanometer powder. In addition, the deposition of the compounding powder in the bottom of ball-milling tank also has some negative influences on the composite effect. Accordingly, two improving measures namely the micron powder pretreatment with Ball Mill Reshaping + Screening and the additional stirring during ball-milling process are proposed and experimented. Results show that the micron powder pretreatment could significantly improve the composite effect and the deliverability of micro-nanometer powder, and the additional stirring could further improve the composite effect of micro-nanometer powder.

Citation Download Citation

Hongyu Wang, Jianzhong Zhou, Xiangfeng Li, Qing Shen, and Man Cheng "Improvement on ball-milling composite process of metal matrix micro-nanometer powder using nanosuspension as the precursor", Proc. SPIE 9295, International Symposium on Optoelectronic Technology and Application 2014: Laser Materials Processing; and Micro/Nano Technologies, 92950D (18 December 2014); https://doi.org/10.1117/12.2067040

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