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回顾了激光快速成形技术的发展历程,评述近年来发展的几种具有代表性的激光快速成形技术主要包括激光熔覆成形技术、激光近形技术、激光立体成形技术以及选择性激光熔化技术的原理、技术特点及最新研究进展,介绍了这几种技术在金属及陶瓷等高性能材料中的应用,并指出激光快速成形技术是实现高致密度、高精度以及复杂结构金属以及陶瓷构件的最有力途径,最后展望了激光快速成形技术的发展趋势。
The development history of laser rapid prototyping technology is reviewed. Several representative rapid prototyping technologies developed in recent years are reviewed, including laser cladding forming technology, laser near-forming technology, laser three-dimensional forming technology and selective laser melting technology , Technical characteristics and the latest research progress, the application of these technologies in high performance materials such as metals and ceramics is introduced. It is pointed out that laser rapid prototyping is the most powerful method to achieve high density, high precision and complex structure of metal and ceramic components Finally, the development trend of laser rapid prototyping technology is forecasted.