首页|Effect of Slag Pool Rotation on the Structure of a High-Speed Steel in a Current-Supplying Mold
Effect of Slag Pool Rotation on the Structure of a High-Speed Steel in a Current-Supplying Mold
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Abstract The effect of slag pool rotation on the formation of the structure of high-speed steel hardfaced by a PR-10R6M5 grade steel powder (315–650 μm fraction) in a three-section current-supplying mold 180 mm in diameter has been studied. It is established that even a low rotation frequency of the slag pool (from 40 to 60 rpm) promotes obtaining approximately 2 times more dispersed structure as to compare to the structure obtained with no rotation of the pool. The macrohardness of steel hardfaced under the pool rotation is about 5 HRC units higher than with no rotation.
electroslag hardfacingPR-10R6M5 grade steel powdercurrent-supplying moldslag pool rotationmicrostructure of hardfaced steel
Netyaga A. V.、Kuskov Yu. M.、Biktagirov F. K.、Ignatov A. P.、Fesenko M. A.
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Paton Institute of Electric Welding, National Academy of Sciences of Ukraine
State Research Institute of the Ministry of Internal Affairs of Ukraine
NSTL
