Conclusions
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1.
The thickness of slip bands forming during the deformation of free-flowing materials is a function of the particle size: the larger the particles, the greater is the slip band thickness.
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2.
In the rolling of metal powders, increasing the particle size above the critical value produces a marked growth of the densification zone, which in turn brings about an increase in strip thickness and density.
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3.
The critical particle size is a function of the roll diameter, the relative slip band thickness, and the conditions of internal and external friction.
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Literature cited
G. A. Vinogradov and L. M. Komarova, Poroshkovaya Met., No. 1 (1961).
V. P. Katashinskii and N. V. Rukhailo, Poroshkovaya Met., No. 3 (1970).
G. A. Vinogradov, N. V. Rukhailo, and V. P. Katashinskii, Poroshkovaya Met., No. 5 (1972).
V. P. Katashinskii, G. A. Vinogradov, and N. V. Rukhailo, Poroshkovaya Met., No. 11 (1973).
V. P. Katashinskii and N. V. Rukhailo, Tr. Leningr. Politekhn. Inst., No. 296, 50 (1969).
L. N. Afanas'ev et al., Poroshkovaya Met., No. 6 (1969).
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Translated from Poroshkovaya Metallurgiya, No. 10 (154), pp. 11–15, October, 1975.
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Katashinskii, V.P., Vinogradov, G.A., Rukhailo, N.V. et al. Effects of particle size on the conditions of the strip shaping process in powder rolling. Part 1. Powder Metall Met Ceram 14, 791–794 (1975). https://doi.org/10.1007/BF00790810
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DOI: https://doi.org/10.1007/BF00790810