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在耐磨、耐热难焊焊条中．通过加入不同量的稀土元素钇，较系统的研究了稀土元素钇对堆焊层组织和性能的影响．
In the wear-resistant, heat-resistant welding electrodes. By adding different amounts of rare earth element yttrium, the effect of rare earth element yttrium on the microstructure and properties of the overlay was studied systematically.