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16 March 2015 High resolution laser micro sintering / melting using q-switched and high brilliant laser radiation
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Proceedings Volume 9353, Laser 3D Manufacturing II; 93530P (2015) https://doi.org/10.1117/12.2083777
Event: SPIE LASE, 2015, San Francisco, California, United States
Abstract
Since the discovery of selective laser sintering/melting, numerous modifications have been made to upgrade or customize this technology for industrial purposes. Laser micro sintering (LMS) is one of those modifications: Powders with particles in the range of a few micrometers are used to obtain products with highly resolved structures. Pulses of a q-switched laser had been considered necessary in order to generate sinter layers from the micrometer scaled metal powders. LMS has been applied with powders from metals as well as from ceramic and cermet feedstock’s to generate micro parts. Recent technological progress and the application of high brilliant continuous laser radiation have now allowed an efficient laser sintering/melting of micrometer scaled metal powders. Thereby it is remarkable that thin sinter layers are generated using high continuous laser power. The principles of the process, the state of the art in LMS concerning its advantages and limitations and furthermore the latest results of the recent development of this technology will be presented. Laser Micro Sintering / Laser Micro Melting (LMM) offer a vision for a new dimension of additive fabrication of miniature and precise parts also with application potential in all engineering fields.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
H. Exner and A. Streek "High resolution laser micro sintering / melting using q-switched and high brilliant laser radiation", Proc. SPIE 9353, Laser 3D Manufacturing II, 93530P (16 March 2015); https://doi.org/10.1117/12.2083777
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