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Št. zadetkov: 6
Tribological aspects of the use of lubricants for the plastic forming of metals
Dušan Ćurčija
Pregledni znanstveni članek
Oznake: lubricant;wear;emulsions;corrosion;fluids mechanics;stability of lubricants;
Leto: 2003 Vir: dLib.si Digitalna knjižnica Slovenije
Schemes of metal-working processes and the related tribological equations of fluid mechanics
Dušan Ćurčija, Ilija Mamuzić
Izvirni znanstveni članek
Oznake: lubrication;metal forming Reynolds differential equation;Monte-Carlo method;
We present a survey of the most frequently used equations for applications in cold drawing and rolling, for smooth and rough surfaces, for the effect of lubricant inertial forces, for more advanced theoretical solutions as well as the equations for cold drawing with a solid lubricant and the combina ...
Leto: 2009 Vir: dLib.si Digitalna knjižnica Slovenije
Lubrication flow during the rolling of seamless tubes
Dušan Ćurčija, Ilija Mamuzić
Izvirni znanstveni članek
Oznake: seamless tubes;rolling;lubrication;
Leto: 2008 Vir: dLib.si Digitalna knjižnica Slovenije
Lubricants for the rolling and drawing of metals
Dušan Ćurčija, Ilija Mamuzić
Pregledni znanstveni članek
Oznake: lubricants;emulsions;suspensions;Reynolds equations;lubricants toxicity;surface roughness;
A survey is given over lubricants for rolling and drawing of metals. Emulsions, suspensions, natural fats and oils and synthetic lubricants are presented. Fluid mechanics Reynolds equations are used for the calculation of the lubricant lyer in the entering section of the metals deformation zone. Col ...
Leto: 2005 Vir: dLib.si Digitalna knjižnica Slovenije
Similarity criteria and effect of lubricant inertia at cold rolling
Dušan Ćurčija, Ilija Mamuzić, Franc Vodopivec
Izvirni znanstveni članek
Oznake: cold rolling;lubrification;lubricant inertia;gripping angle;Reynolds equation;Monte Carlo method;
Modern rolling mills operate at speed requiring the consideration of inertial forces for the explanation of the behaviour of lubricant layer in the enter gap of the metal deformation zone. For this calculation a similarity criterium and the improved Mizun-Grudev equation were applied. Good results w ...
Leto: 2011 Vir: dLib.si Digitalna knjižnica Slovenije
Calculation of the lubricant layer for a coarse surface of a band and rolls
Dušan Ćurčija, Franc Vodopivec, Ilija Mamuzić
Izvirni znanstveni članek
Oznake: Fourierova vrsta;hrapavost;mazanje;metoda Monte Carlo;Reynoldsova enačba
The effect of the average roughness of a lubricated band caused by dressing processes is analysed by applying the Reynolds differential equation for lubrication with the incorporated average roughness and evolution in the Fourier series to the third member. The analysis has shown that the average ro ...
Leto: 2013 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 6
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