(1) Solid-phase welding technology and equipment: Transient liquid phase diffusion bonding/Friction stirring welding, hot pressure welding;
(2) Special hard solder of dissimilar metal: friction stir brazing (FSB), friction stir brazing, Semi-solid brazing, composite brazing;
(3) Metal matrix composite Welding, preparation and application;
(4) Advanced welding technology and equipment system;
(5) Advanced structure material welding metallurgy and welding materials.