Fabrication of functionally graded TiC/Ti composites by Laser Engineered Net Shaping

By Weiping Liu, J. Dupont. 2003

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Research status of laser additive manufacturing for metal: A review (2021, methodology): “LENS is created at Sandia National Laboratory [28,83,84], DMD is developed by University of Michigan [30,85] while LRF is invented by Huang Weidong team in Northwestern Polytechnical University of China [86e89] and DLF is developed at University of Birmingham [90].”
Additive manufacturing of metallic components – Process, structure and properties (2018, background): “Both microcracks [602,604] spanning no more than a layer and macrocracks spanning the entire sample [597,598,600] have been observed.”
Additive manufacturing: technology, applications and research needs (2013, unknown): “A functionally graded TiC/Ti composite [103] and a compositionally graded Ti-TiO2 structure [57] were fabricated with LENS by employing different powders carried by non-reactive gases through different nozzles.”
New Developments of Ti-Based Alloys for Biomedical Applications (2014, background): “Previous work involving LENS has been focused on net shape manufacturing [337], alloy development [338], gradient structures [339,340] and coatings [341].”
Multiple material additive manufacturing – Part 1: a review (2013, methodology): “For FGMs, the powder feeders are used to deposit different powders separately and their feed rates are controlled individually to regulate the material composition (Liu and DuPont 2003, Shin et al. 2003).”