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本文综述了近十几年来稀土在渗硼及硼的复合渗中的作用以及稀土对渗层组织性能的影响的研究概况，并对其作用机理作了初步探讨。
In this paper, the effects of rare earth on the infiltration of boron and boron and the influence of rare earth on the microstructure and properties of the infiltrated layer are summarized. The mechanism of action is also discussed.