激光熔覆硬质合金涂层的组织结构与性能
LASER TECHNOLOGY(2001)
Abstract
试验研究了Co 基硬质合金涂层的激光熔覆。低熔点Al的加入增加了熔池的流动性,抑制了熔覆层气孔的产生;金属Ni的加入明显改善了TiC 的润湿性,提高了硬质合金涂层的熔覆性。WC-Co基硬质合金熔覆层硬度可达HV0.21100。涂层中TiC的加入显著提高了熔覆层的硬度,平均达HV0.21200~HV0.21300。
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