DETERMINATION OF FRICTION COEFFICIENT BY COMPRESSION OF RING SAMPLE DURING HOT DEFORMATION

A N Petrov

Izvestiya MGTU MAMI ›› 2012, Vol. 6 ›› Issue (1) : 196 -200.

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Izvestiya MGTU MAMI ›› 2012, Vol. 6 ›› Issue (1) : 196 -200. DOI: 10.17816/2074-0530-69993
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DETERMINATION OF FRICTION COEFFICIENT BY COMPRESSION OF RING SAMPLE DURING HOT DEFORMATION

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Abstract

This paper presents an algorithm for the calculation of the coefficient (index) of friction at compression of the ring in hot deformation. The calculation considered the temperature-speed parameters of hot deformation: temperature of the workpiece, temperature of dies, the thermophysical properties of material of a workpiece and a die, parameters of equipment. Calculated curves for μ = μ (r). The authors give the comparative results of calculations and experiments on compression of ring samples in hot conditions.

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hot forging / coefficient (index) of friction / method of rings compression

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A N Petrov. DETERMINATION OF FRICTION COEFFICIENT BY COMPRESSION OF RING SAMPLE DURING HOT DEFORMATION. Izvestiya MGTU MAMI, 2012, 6(1): 196-200 DOI:10.17816/2074-0530-69993

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References

[1]

Петров А.Н., Андрейченко Т.П. Применение коллоидно-графитовых смазочных материалов при горячей обработке металлов давлением // Кузнечно-штамповочное производство и Обработка металлов давлением. М.: 2008, №6, с.39-41

[2]

Петров А.Н. Комплексная оценка свойств коллоидно-графитовых смазочных материалов для процессов горячего деформирования металлов и сплавов // Кузнечно-штамповочное производство и Обработка металлов давлением. М.: 2011, №10,С 45-48

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