In order to improve the wear resistance and impact resistance of the flight bar, DJM use the composite of high Cr and ceramic on steel base. We adopt the powder metallurgy core making and casting sintering, during pouring the composite of high cr and ceramic is put to reduce the temperature of molten manganese steel, the alloy element in the composite are used to refine the high manganese steel grain to improve the performance of high-manganese steel, give full play to the capacity of self hardening under impact and improve the ability of impact resistance;
High wear-resistant properties of composite of high Cr and ceramic will greatly improve the wear resistance of flight bar surface, thus resulting in flight bar of both high impact and wear resistance.
We also can use the method of suspension casting, put high Cr powder and ceramic powder into the molten steel during pouring to reduce the temperature, refine grain, reduce shrinkage and increase the randomness of Crystallization to improve the wear resistance under low impact. The self hardening of the high Mn steel can reduce the plastic deformation and improve impact resistance. High wear-resistant properties of composite of high Cr and ceramic will greatly improve the wear resistance of flight bar surface, thus resulting in flight bar of both high impact and wear resistance.
Picture -1 external view of flight bar
Picture-2 Martensite steel ceramic flight bar external view
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