Influence of atomising gas pressure on 63A solder powder in supersonic atomisation

Authors: Yu, X.L.; Zhao, M.Q.; Zhao, G.Y.

Source: Powder Metallurgy, Volume 47, Number 2, March 2004 , pp. 200-204(5)

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Abstract:

The atomising gas pressure is one of several important process parameters that affect the characteristics of the powder particles. The work analyses qualitatively the influence of the atomising gas pressure on 63A solder alloy fine powders. Also studied was the mechanism of the effect of the atomising pressure on the base of the air dynamics through the atomising 63A solder alloy experiment with different atomising pressures on the supersonic nozzle. The results indicate that 63A solder alloy fine powders may be attained, which can satisfy the SMT application requirement when the atomising gas pressure is at 0.7 MPa.

Keywords: ATOMISING; SURFACE; 63A SOLDER ALLOY; MOUNT TECHNOLOGY

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/003258904225015590

Publication date: 2004-03-01

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