Determination of geometrical factors in Layerwise Laser Melting using optical process monitoring

Optics and Lasers in Engineering - Tập 49 Số 12 - Trang 1440-1446 - 2011
Tom Craeghs1, Stijn Clijsters1, Evren Yasa1, Florian Bechmann2, Sebastian Berumen2, Jean‐Pierre Kruth1
1KULeuven, Department of Mechanical Engineering, Celestijnenlaan 300B, 3001 Heverlee, Belgium
2Concept Laser GmbH, An der Zeil 8, 96215 Lichtenfels, Germany

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Tài liệu tham khảo

Kruth, 2007, Consolidation phenomena in laser and powder-bed based layered manufacturing, CIRP Annals—Manufacturing Technology, 56, 730, 10.1016/j.cirp.2007.10.004

Thijs, 2010, A study of the microstructural evolution during selective laser melting of Ti–6Al–4V, Acta Materialia, 58, 3303, 10.1016/j.actamat.2010.02.004

Kruth J-P, Froyen L, Kumar S, Rombouts M, Van Vaerenbergh J. Study of laser-sinterability of iron-based powder mixture. In: 10e Assises Européennes de prototypage rapide, Paris, September 2004.

Vandenbroucke B. Rapid manufacturing of dental prostheses by means of SLS/SLM. In: 11e Assises Europeennnes du prototypage rapide, Paris-Maison de la Mecanique, 4–5 October 2005.

Abe, 2001, The manufacturing of hard tools from metallic powders by selective laser melting, Journal of Materials Processing Technology, 111, 210, 10.1016/S0924-0136(01)00522-2

Klocke F, Wirtz H, Meiners W. Direct manufacturing of metal prototypes and prototype tools. In: Proceedings of the seventh solid freeform fabrication symposium (SFF) 1996, Austin, Texas, USA, August 1996.

Berger, 2001, Rapid tooling and computer tomography for aluminium casting of automotive components

Voet A, Dehaes J, Mingneau J, Kruth JP, Van Vaerenbergh J. Study of the wear behaviour of conventional and rapid tooling mould materials. In: International conference on polymers & moulds innovations PMI, Gent, Belgium, April 20–23, 2005.

2009

Yasa E, Deckers J, Craeghs T, Badrossamay M, Kruth J-P. Investigation on occurrence of elevated edges in selective laser melting. In: Proceedings of the 20th solid freeform fabrication symposium (SFF) 2010, Austin, Texas, USA, August 3–5, 2009.

Craeghs, 2010, Feedback control of Layerwise Laser Melting using optical sensors, Physics Procedia, 5, 505, 10.1016/j.phpro.2010.08.078

Kruth J, Duflou J, Mercelis P, Van Vaerenbergh J, Craeghs T, De Keuster T. On-line monitoring and process control in selective laser melting and laser cutting. In: Proceedings of the third international conference on laser assisted net shape engineering (LANE) 2001, vol. 1, Erlangen, Germany, September 2007; p. 23–37.

Vanderschueren B. Basic contributions to the development of the selective metal powder sintering process. PhD thesis, K.U.Leuven; 1996.

Su, 1993, In-situ laser material process monitoring using a cladding power detection technique, Optics and Lasers in Engineering, 18, 371, 10.1016/0143-8166(93)90045-M

Mazumder, 2000, Closed loop direct metal deposition: art to part, Optics and Lasers in Engineering, 34, 397, 10.1016/S0143-8166(00)00072-5

Bi, 2006, Investigation on the direct laser metallic powder deposition process via temperature measurement, Applied Surface Science, 253, 1411, 10.1016/j.apsusc.2006.02.025

Olsson, 2011, Challenges to the interpretation of the electromagnetic feedback from laser welding, Optics and Lasers in Engineering, 49, 188, 10.1016/j.optlaseng.2010.08.018

Negendanck M, Schwab J. Process monitoring in laser beam welding. In: Proceedings of the third international conference on laser assisted net shape engineering (LANE) 2001, Erlangen, Germany, September 2001.

Beersiek J, Devermann T, Behler K. Practical applications of in—process monitoring for laser processes—not only for single welds and common materials. In: 23rd international Congress on applications of lasers and electro-optics (ICALEO), September 2004.

Hollacher MK, Dietz C, Nicolay T, Kattawinkel A, Herzinger T, Kessler B, et al. Camera based process monitoring of the CO2 and Nd:YAG laser welding process: experience from applications in the automotive industry. In: 23rd international congress on applications of lasers and electro-optics (ICALEO), September 2004.

Sibillano, 2007, Real-time monitoring of laser welding by correlation analysis: the case of AA5083, Optics and Lasers in Engineering, 45, 1005, 10.1016/j.optlaseng.2007.04.002

Poprawe, 2001, Modeling, monitoring and control in high quality laser cutting, CIRP Annals 2001, STC E, 50/1, 129

Alvarez C, Ramil A, Nicolas G, Saavedra E, Lopez AJ, Perez JA, et al. Real time control and monitoring of laser hardening process: application to cylindrical workpieces. In: Proceedings of the third international conference on laser assisted net shape engineering (LANE) 2001, Erlangen, Germany, September 2001. p. 223–34.

Mercelis P. Control of selective laser sintering and selective laser melting processes. PhD thesis, K.U.Leuven; April 2007.

O’Gormann, 2008

Kruth J-P, Deckers J, Yasa E. Experimental investigation of laser surface remelting for the improvement of selective laser melting process. In: Proceedings of the 19th solid freeform fabrication symposium (SFF) 2008, Austin, Texas, USA, August 2008.

Verhaeghe, 2009, A pragmatic model for selective laser melting with evaporation, Acta Materialia, 57, 6006, 10.1016/j.actamat.2009.08.027

Kruth J, Mercelis P, Van Vaerenbergh J, Craeghs T. Feedback control of selective laser melting. In: Proceedings of the third international conference on advanced research in virtual and rapid prototyping. Leiria, Portugal, September 24–29, 2007. p. 521–7.

Gu, 2009, Balling phenomena in direct laser sintering of stainless steel powder: metallurgical mechanisms and control methods, Materials & Design, 30, 2903, 10.1016/j.matdes.2009.01.013

Kruth, 2007, Feedback control of selective laser melting of iron based powder, vol. 2

Van Bael S, Vandenbroucke B, Kerckhofs G, Schrooten J, Kruth J-P. Design and production of bone scaffolds with selective laser melting. In: Proceedings of TMS annual meeting and exhibition, 15–19 February 2009.