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BBN produces high strength 50W800 Silicon steel

Posted:2022-10-26 17:08:00

For the precipitation strengthening of 50W800 Silicon steel, the micro-alloying elements such as Nb, Ti, V, Zr, Cu are added to form fine second-phase particles, and the strength is improved through precipitation strengthening. The study found that by adding an appropriate amount of Nb to 50W800 Silicon steel, a large number of fine and dispersed Nb(C, N) precipitates can be obtained by controlling the appropriate process, thereby significantly improving the strength of 50W800 Silicon steel. It hinders the growth of grains and deteriorates the iron loss.

The research shows that adding appropriate amount of Cr to 50W800 Silicon steel can reduce the iron loss of the steel and improve the magnetic induction, thereby improving the magnetic properties of 50W800 Silicon steel.

Therefore, if an appropriate amount of Cr is added to the high-strength 50W800 Silicon steel containing Nb, the improvement of Cr on the magnetic properties of 50W800 Silicon steel is expected to offset the deterioration of the magnetic properties caused by the precipitation strengthening of Nb.

Therefore, on the basis of high-strength 50W800 Silicon steel containing Nb, a small amount of Cr was designed to be added. The influence law and mechanism of Cr on the properties of high-strength 50W800 Silicon steel containing Nb were explored, and experimental data and theoretical support were provided for the composition design of high-strength 50W800 Silicon steel produced by BBN.


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