2020, Volume 22, Issue 3
Strategic Study of CAE >> 2020, Volume 22, Issue 3 doi: 10.15302/J-SSCAE-2020.03.009
Development of Laser Additive Manufacturing Technology for Metals
1. AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China;
2. Aero Engine Corporation of China, Beijing 100097, China
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Abstract
Laser additive manufacturing (LAM) technology for metals is one of the key fundamental technologies for realizing intelligent manufacturing in fields such as aeronautics, astronautics, and medicine. This study summarizes the current status and trends of the LAM technology for metals in China and abroad using questionnaires, on-site surveys, and literature review. It also analyzes the gap between China’s technology development and the international advanced level and proposes a tentative strategy for the development of the LAM technology in China, hoping to provide support for the top design of national technological and industrial strategies and for the formulation of development goals for the LAM technology by 2035. Currently, the research on LAM technology focuses on active control of structure properties while comparatively ignoring control of geometric shapes in LAM. To satisfy the requirements of high-quality manufacturing, process monitoring of LAM equipment is highly valued. To improve the manufacturing capability and efficiency of high-value components, hybrid additive/subtractive manufacturing equipment has become a new research and development hotspot. The sound development of the LAM industry requires integration among the whole industrial chain including material, process, equipment, test, standards, and personnel training. China should fully explore the functions of the material genome technology for strengthening its fundamental research and improve its independent development capacity of core components and research on equipment integration. Moreover, the engineering application of the LAM technology should be conducted gradually.
Keywords
laser additive manufacturing ; metallic materials ; equipment ; industrial application ; development proposals
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