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The scanning profilometry was the basis of the analysis of surface geoemtrical structure after electromechanical burnishing. The size and distribution of roughness irregularities were determined on the basis of isometric views, contour maps and symmetrical bearing curves. A quantitative analysis of geometrical structure was performed by means of selected 3D parameters and roughness functions. A comparison...
Theoretical analysis of thermodynamical conditions of water-ice jet formation is presented in the paper. It was assumed in this study ball-shaped ice model made of different sizes. The analysis mostly concerns the conditions of transport of such "ice abradant" to the cryo-sprinkler and for pre-cooling of high-pressure water jet in the cryogenic technological plant. This study and examinations...
The high-pressure hybrid water-abrasive-ice jet treatment is a new technology that has grown in popularity lately. Such technology is based on a high-pressure abrasive-water jet with addition of dry ice pellets (CO)2. The experimental plant accompanied with suitable equipment are discussed in. Ice particle sublimation effect also structures of water pressure and abrasive grains distribution were researched...
The paper presents properties and operational conditions for a high-pressure hydro-abrasive jet used to surface treatment. Methods of the assessment of abrasive grain distribution in such a high-pressure jet were discussed. The present findings illustrate conditions necessary to form the hydro-abrasive jet with the most favourable distribution of abrasive grains conditioning the efficiency of surface...
The main aim of the study is assessment and comparison of the measured surface profiles (2D-arragement) and surface microstereometries (3D-arrangement) produced during hard part turning operations keeping different machining conditions. As a result the paper provides a special contribution to surface roughness generation when turning a 40H low chromium alloy steel (equivalent To AlSl 5140 or DIN 41Cr4)...
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