金属材料快速凝固激光加工与成形

报道近年来在先进金属材料快速凝固激光表面改性、金属间化合物高温耐磨耐蚀涂层新材料快速凝固激光熔覆制备技术、钛合金及高温合金等高性能金属零件快速凝固激光成形技术等领域的研究进展, 主要内容包括:钛合金激光表面合金化及激光熔覆表面改性、激光熔覆高温耐磨耐蚀多功能金属间化合物涂层、小面相非平衡凝固液固界面结构及生长机制、钛合金及高温合金高性能零部件激光快速成形、难熔高活性金属材料及定向生长柱状晶钛合金激光约束熔铸成形技术. 

Rapid solidification laser processing and forming of advanced aeronautical metallic materials

Research progress on rapid solidification laser surface modifications of advanced metallic materials, rapid solidification laser cladding for high-temperature wear and corrosion resistant multifunctional intermetallic coatings, and rapid solidification laser additive manufacturing for high performance metallic components was reported. The main contents include laser surface alloying and laser cladding surface modification of titanium alloys, liquid/solid interface structure and growth mechanisms of typical faceted phase under non-equilibrium rapid solidification conditions, laser rapid forming/manufacturing of high performance titanium and nickel-base alloys, laser constrained melting/forming of refractory metals and intermetallic alloys, and directionally solidified columnar grained titanium alloys.