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研究了稀土Ce对P9钢显微组织和力学性能的影响。结果表明,稀土Ce加入量小于0.5%时,稀土Ce能起到净化基体和细化晶粒的作用,对P9钢的综合力学性能有一定改善。
The effect of rare earth Ce on the microstructure and mechanical properties of P9 steel was studied. The results show that when the content of rare earth Ce is less than 0.5%, rare earth Ce can play the role of purifying the matrix and refining grains, and improve the comprehensive mechanical properties of P9 steel.