Multi-physical analysis of thermo-optical effects for different Selective Laser Melting (SLM) scanning strategies

Procedia CIRP - Tập 74 - Trang 97-101 - 2018
Tobias Bonhoff1, Marcus Poppe1, Jochen Stollenwerk2,1, Johannes Henrich Schleifenbaum3, Peter Loosen2,1
1RWTH Aachen University, Chair for Technology of Optical Systems TOS, Steinbachstr. 15, 52074 Aachen, Germany
2Fraunhofer Institute for Laser Technology ILT, Steinbachstr. 15, 52074 Aachen, Germany
3RWTH Aachen University, Chair of Digital Additive Production DAP, Steinbachstr. 15, 52074 Aachen

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Tài liệu tham khảo

Bonhoff T, Schniedenharn M, Stollenwerk J, Loosen P. Experimental and theoretical analysis of thermo-optical effects in protective window for selective laser melting. Int. Conf. on Lasers in Manuf. LiM 2017.

Laskin, 2018, Influence of thermally induced aberrations on resulting intensity distribution, Proc of SPIE, 10525, 1052506

Pichler T, Schrage J, Schleifenbaun JH. Increasing Productivity of Laser Powder Bed Fusion (L-PBF) by Qualifying and Processing Different Powder Qualities and Application of Intelligent Processing Strategies. Fraunhofer Direct Digital Manufacturing Conference DDMC 2018.

Bonhoff T, Schniedenharn M, Nippgen S, Thombansen U, Stollenwerk J, Loosen P et al. Multiphysikalische Analyse von optischen Systemen für die Lasermaterialbearbeitung. 35. CADFEM ANSYS Sim. Conf. 2017.

Bonhoff T, Gayer C, Stollenwerk J, Loosen P. Simulation and measurement of thermo-optical effects in an f-theta lens at high laser power. DGaO-Proceedings 2016;117:C015-7.

Corning Inc. HPFS® Fused Silica Standard Grade; 2008.

Gatej, 2012, Using adaptive weighted least squares approximation for coupling thermal and optical simulation, Appl Opt, 51, 6718, 10.1364/AO.51.006718

Koglbauer, 2018, A compact beam diagnostic device for 3D additive manufacturing systems, Proc of SPIE, 10523, 1052316