Conclusions
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1.
The air stream produced in the focus of deformation during the rolling of powders differs in magnitude and direction over the width of the hopper; the edges of the strip are formed under the preferential action of the transverse constituent of the gas flow.
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2.
In addition to leakage of the powder, the strip width may be reduced because some of the powder particles are carried off by the transverse constituent of the air stream.
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3.
The maximum critical rolling speed may depend on the hopper width.
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Literature cited
V. A. Spinov and G. A. Vinogradov, Poroshkovaya Metallurgiya, No. 12, 9 (1966).
G. A. Vinogradov and I. M. Fedorchenko, Poroshkovaya Metallurgiya, No. 1, 61 (1961).
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Translated from Poroshkovaya Metallurgiya, No. 8 (56), pp. 97–99, August, 1967.
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Spinov, V.A., Vinogradov, G.A. & Kalutskii, G.Y. Influence of air on the rolling of powders. Powder Metall Met Ceram 6, 673–675 (1967). https://doi.org/10.1007/BF00774558
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DOI: https://doi.org/10.1007/BF00774558