light beam powder surfacing 光束粉末堆焊
light beam surfacing
光束堆焊
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The Ni based alloy powder surfacing layer was obtained by light beam surfacing on the 45 steel and the microstructure of heat affected zone(HAZ) and the phase of the surfacing layer were studied.
采用聚焦光束热源在45钢母材上获得了镍基合金粉末堆焊层，研究了堆焊层的物相组成及母材热影响区的微观组织特征。
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