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About

Guojian Xu is a materials and manufacturing engineer whose research has made meaningful contributions to the field of laser cladding and surface engineering technology. Working primarily in the mid-2000s, Xu pioneered the development and application of Nd:YAG laser robot systems for precision cladding and repair of mechanical components, combining six-axis robotic platforms with specialized powder delivery mechanisms to achieve controlled surface deposition. His most influential work, "Cladding with Stellite 6 + WC using a YAG laser robot system" (2006, 26 citations), investigated the behavior of hard-wearing Stellite 6 and tungsten carbide composite coatings on mild carbon steel, providing critical insights into penetration depth, cracking behavior, and microstructural characteristics. Xu systematically explored a range of cladding materials — including SUS304, Colmonoy alloys, vanadium carbide, and FP160 powders — to evaluate their suitability for industrial repair applications. His body of work, accumulating nearly 50 citations across five key publications, established foundational knowledge for laser-based surface modification processes, with particular relevance to extending the service life of engineering components in demanding mechanical environments.