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  4. Selective laser melting of lattice structures in solid shells
 
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Selective laser melting of lattice structures in solid shells

Publikationstyp
Conference Paper
Date Issued
2007
Sprache
English
Author(s)
Rehme, Olaf
Laser- und Anlagensystemtechnik T-2  
Emmelmann, Claus  orcid-logo
Laser- und Anlagensystemtechnik T-2  
Schwarze, Dieter
TORE-URI
https://hdl.handle.net/11420/49263
Start Page
529
End Page
535
Citation
3rd International Conference on Advanced Research in Virtual and Rapid Prototyping (2007)
Contribution to Conference
3rd International Conference on Advanced Research in Virtual and Rapid Prototyping 2007  
Scopus ID
2-s2.0-75049084558
Publisher
Taylor & Francis
ISBN
0-415-41602-7
978-0-415-41602-3
Selective Laser Melting was introduced as an innovative Laser Freeform Fabrication technology that allows layerwise fabrication of periodic lattice structures from metal powders with customized design according to required quality attributes such as strength and stiffness or thermal, electrical, acoustical, filter or catalyst properties. Design engineers who strive for product innovations and who wish to adapt a product's design for Laser Freeform Fabrication should take these new design possibilities into account. The general manufacturability and scaling laws for mechanical properties such as stiffness and strength derived from compressive and tensile tests were previously reported. These results allow the design engineer to abandon solid geometries and introduce new designs based on periodic, open-cell structures such as internal lattice structures inside of parts which are solid on the outside. This approach can be used to e.g. manufacture lightweight parts of high strength while saving Laser Freeform Fabrication process time. Specific issues concerned with the manufacturability of the intersection between solid walls and lattice structures of such parts are covered in this paper.
DDC Class
530: Physics
621: Applied Physics
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