Investigation of Y_2O_3 Particle Doped on Superalloy by Laser Irradiation

Abstract

Abstract: Possibility to dope Y_2O_3 particles into the sur- face of superalloy sample by means of laser irradiation and the relationship between homogeneity and laser irradiation parameters have been investigated.The results show that homoge- neous distribution of Y_2O_3 particles in melt-doped region can be obtained on a macro scale and the content of Y_2O_3 in the region can reach 2 wt-% when precoating powder quantity is 0.05g/cm~2, laser power density is selected as 1.76× 10~4W/cm~2 and scanning speed 0.36m/min.

Key words: superalloy, Y_2O_3 particles, laser melt-doping

MENG Qinglin ZOU Yuchao XU Wanren HE Yongfeng ZHAN Xiaowen GUO Yujun Northeast University of Technology,Shenyang,110015,China. Investigation of Y_2O_3 Particle Doped on Superalloy by Laser Irradiation[J]. J Mater Sci Technol, 1992, 8(5): 343-346.

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Investigation of Y_2O_3 Particle Doped on Superalloy by Laser Irradiation

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