Conclusions
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1.
Stresses when rolling powders with a small underpressing pressure were analyzed.
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2.
The boundary angle of delivery depends on the underpressing pressure, coefficient of friction of the powder on the roll, and the coefficient of internal friction of the powder.
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Literature cited
R. S. Ioffe, Poroshkovaya Met., No. 5 (1967).
M. Ya. Vygodskii, Handbook on Higher Mathematics [in Russian] (1961).
V. M. Mal'tsev, A. N. Nikolaev, and V. G. Khromov, Poroshkovaya Met., No. 5 (1965).
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Translated from Poroshkovaya Metallurgiya, No. 2 (74), pp. 3–6, February, 1969.
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Ioffe, R.S. Analysis of stresses and boundary angle of delivery when rolling powders. Powder Metall Met Ceram 8, 90–92 (1969). https://doi.org/10.1007/BF00774809
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DOI: https://doi.org/10.1007/BF00774809