超高速激光熔覆镍基WC涂层的显微结构与耐磨性能

张煜, 娄丽艳, 徐庆龙, 李岩, 李长久, 李成新

Microstructure and Wear Resistance of Ni-Based WC Coating by Ultra-High Speed Laser Cladding

ZHANG Yu, LOU Liyan, XU Qinglong, LI Yan, LI Changjiu, LI Chengxin

表4 图4中不同点EDS成分分析 (mass fraction / %)

Table 4 EDS analyses of the elements at different points in Fig.4

Point C Si Fe Ni Cu W Dendrite (A) 22.51 0.99 - 49.27 27.23 - Eutectic (B) 17.06 2.27 - 63.15 17.51 - Dendrite (C) 17.13 1.35 - 49.21 23.88 8.43 Eutectic (D) - - - 65.32 34.68 - White carbide (E) 22.47 - - - - 77.53 Bar-like carbide (F) 5.81 - 10.32 6.37 0.81 76.68 Flocculent carbide (G) 21.93 - 8.93 4.45 - 64.70