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The wear characteristics of five kinds of sintered high speed steels, which contain MnS, TiC and CaF 2 additives, have been investigated at 600 o C. The results show that the MnS, TiC and CaF 2 additives greatly affect the wear of the steels, and that TiC can improve the wear resistance of the steels. There is also evidence that, at elevated temperature, a thin molten layer...
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