Microstructure and Properties of the Steel Subjected to Overlaying Welding
Keywords:
overlaying welding, powder, hardness, tempering.Abstract
Possibility to apply chips of steel R6M5, steel R6M5K5, graphite, boron carbide and powder of alloying elements for arc overlaying welding is analysed in this research work. Spread out over the structural steel surface powder mixtures were melted by 1.2 mm diameter welding wire arc. Overlayed welded layers of high hardness and various alloying degree with characteristic high heat resistance were obtained. Investigations of microstructure and X-ray diffraction measurements were carried out.
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