발간논문

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Vol.32, No.6, 641 ~ 649, 1994
Title
Optimization of Gas Atomization by Controlling Atomizing Variables
맹완영Wan Young Maeng, 강영환Young Whan Kang
Abstract
The optimized condition for preventing metal delivery tube from freezing up during atomization was evaluated by analyzing the experimental data of gas atomizations which were carried out on various conditions. The optimum condition was established by controlling the protrusion length and the temperature of metal delivery tube. It was observed that powder shape is affected by the collision of particles. The probability of collision among particles can be controlled by changing atomization variables such as protrusion length of metal delivery tube, nozzle slit size and the condition of atomizing chamber. So it is possible to control the powder shape by changing the atomizing variables. It was also shown that the average particle size decrease with increasing atomizing pressure.
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