Application of hard surfacing for repairing of agricultural parts
Viňáš, J. | Brezinová, J. | Guzanová, A. | Kotus, M.
The contribution deals with the analysis of claddings quality realised by shielded metal arc welding with covered electrodes. For cladding, covered basic electrodes marked as E Z Fe 8 EN 14700 and E Z Fe 15 EN 14700 were used. The third type of electrode was experimentally made basic electrode with operating name EW11 (wolfram content 11%). New share made of C50R EN10083/1-98 was used as reference material. Quality of repairing deposits was evaluated by micro hardness measuring and by metallographic analysis of claddings and base material. Wear resistance of claddings was determined by weight loss during abrasive wear test by wading in following loose abrasive agents – Al<sub>2</sub>O<sub>3</sub> (corundum), crushed rock and arable soil.
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