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高速钢中添加铌对于成份组织、稳定性和碳化物分布都有好处,能改善切削性能,而以铌代钒或钨和钼等还可以降低成本
The addition of niobium to high-speed steels has advantages in terms of texture, stability and carbide distribution and improves machinability, while niobium-vanadium or tungsten and molybdenum also reduce costs