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采用正交试验研究方法，探讨了６—６—３雾化青铜粉末粒度组成对其松装密度影响的规律，得出了－３００目以下细粉对松装密度影响最显著的结论，并指出在较小的变化范围内通过调整粉末体的粒度组成，可达到调整粉末体松装密度的目的
Orthogonal experiment method was used to investigate the effect of particle size distribution of 6-6-3 atomized bronze powder on its bulk density. The conclusion that the effect of fine powder below -300 mesh on bulk density was the most significant was pointed out Through the adjustment of the particle size composition of the powder body within a small range of variation, the purpose of adjusting the bulk density of the powder body can be achieved