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PARTICLE SIZE INFLUENCE ON THE INNER STRUCTURE OF THE POWDER FOR ADDITIVE MANUFACTURING

Citace:
OPATOVÁ, K., ZETKOVÁ, I., KUČEROVÁ, L. PARTICLE SIZE INFLUENCE ON THE INNER STRUCTURE OF THE POWDER FOR ADDITIVE MANUFACTURING. Varšava, 2018.
Druh: PŘEDNÁŠKA, POSTER
Jazyk publikace: eng
Anglický název: PARTICLE SIZE INFLUENCE ON THE INNER STRUCTURE OF THE POWDER FOR ADDITIVE MANUFACTURING
Rok vydání: 2018
Místo konání: Varšava
Autoři: Kateřina Opatová , Ing. Ivana Zetková Ph.D. , Doc. Ing. Ludmila Kučerová Ph.D.
Abstrakt EN: Nowadays additive manufacturing technology is a highly topical issue not only in commercial production. Thanks to this technology, it is possible to obtain 3D objects with complex geometry using a laser beam. However, the influence of the morphology of individual powder particles on the printing itself is not sufficiently documented. This article reports the detailed microscopic analysis of new and recycled powder particles of the maraging steel. The metallographic observation was performed by light and scanning electron microscopes. Subsequently, a detailed analysis of individual particles was carried out using an electron microscope equipped with a focused ion beam (FIB). Furthermore, the analysis of chemical element distribution (EDS) and phase distribution analysis (EBSD) were performed. Results of this experiment led to a better understanding of in the additive manufacturing products defects and their prediction.
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