The current nuclear valve sealing surface surfacing material is generally cobalt alloy.
目前核阀密封面堆焊材料一般均为含钴合金。
It is imperative to explore the surfacing material with ultra-high hardness, wear-resistance and crack-resistance.
冷轧工作辊的堆焊修复是冶金行业的重大课题，要求堆敷金属具有超高硬度、高抗裂性及高强韧性。
The influence of surfacing material and processing parameters on the quality of light beam powder surfacing layer is investigated.
研究了堆焊材料组成和堆焊工艺参数对光束粉末堆焊质量的影响规律。
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