This paper proposes an integrated approach to determine optimal build orientation for powder bed fusion by laser (PBF-L), by simultaneously optimizing mechanical properties, surface roughness, the amount of support structure (SUPP), and build time and cost. Experimental data analysis has been used to establish the objective functions for different mechanical properties and surface roughness. Geometry analysis of the part has been used to estimate the needed SUPP and thus evaluate the build time and cost. Normalized weights are assigned to different objectives depending on their relative importance allowing solving the multi-objective optimization problem using a genetic optimization algorithm. A study case is presented to demonstrate the capabilities of the developed system. The major achievements of this work are the consideration of multiple objectives and the establishment of objective function considering different load direction and heat treatments. A user-friendly graphical user interface was developed allowing to control different optimization process factors and providing different visualization and evaluation tools.
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November 2017
Research-Article
Multi-Objective Build Orientation Optimization for Powder Bed Fusion by Laser
Salah Eddine Brika,
Salah Eddine Brika
Mechanical Engineering Department,
ADML McGill University,
212, 5000 Bourret Avenue,
Montreal, QC H3W 1L4, Canada
e-mail: sleh.brika@mail.mcgill.ca
ADML McGill University,
212, 5000 Bourret Avenue,
Montreal, QC H3W 1L4, Canada
e-mail: sleh.brika@mail.mcgill.ca
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Yaoyao Fiona Zhao,
Yaoyao Fiona Zhao
Mechanical Engineering Department,
ADML McGill University,
Room 148, 817 Sherbrooke Street West,
Montreal, QC H3A 0C3, Canada
e-mail: yaoyao.zhao@mcgill.ca
ADML McGill University,
Room 148, 817 Sherbrooke Street West,
Montreal, QC H3A 0C3, Canada
e-mail: yaoyao.zhao@mcgill.ca
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Mathieu Brochu,
Mathieu Brochu
Mining and Materials Engineering Department,
McGill University,
Room 2640, 3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: mathieu.brochu@mcgill.ca
McGill University,
Room 2640, 3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: mathieu.brochu@mcgill.ca
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Justin Mezzetta
Justin Mezzetta
Mining and Materials Engineering Department,
McGill University,
3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: justinmezzetta@hotmail.com
McGill University,
3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: justinmezzetta@hotmail.com
Search for other works by this author on:
Salah Eddine Brika
Mechanical Engineering Department,
ADML McGill University,
212, 5000 Bourret Avenue,
Montreal, QC H3W 1L4, Canada
e-mail: sleh.brika@mail.mcgill.ca
ADML McGill University,
212, 5000 Bourret Avenue,
Montreal, QC H3W 1L4, Canada
e-mail: sleh.brika@mail.mcgill.ca
Yaoyao Fiona Zhao
Mechanical Engineering Department,
ADML McGill University,
Room 148, 817 Sherbrooke Street West,
Montreal, QC H3A 0C3, Canada
e-mail: yaoyao.zhao@mcgill.ca
ADML McGill University,
Room 148, 817 Sherbrooke Street West,
Montreal, QC H3A 0C3, Canada
e-mail: yaoyao.zhao@mcgill.ca
Mathieu Brochu
Mining and Materials Engineering Department,
McGill University,
Room 2640, 3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: mathieu.brochu@mcgill.ca
McGill University,
Room 2640, 3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: mathieu.brochu@mcgill.ca
Justin Mezzetta
Mining and Materials Engineering Department,
McGill University,
3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: justinmezzetta@hotmail.com
McGill University,
3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: justinmezzetta@hotmail.com
Manuscript received July 19, 2017; final manuscript received August 1, 2017; published online September 13, 2017. Editor: Y. Lawrence Yao.
J. Manuf. Sci. Eng. Nov 2017, 139(11): 111011 (9 pages)
Published Online: September 13, 2017
Article history
Received:
July 19, 2017
Revised:
August 1, 2017
Citation
Brika, S. E., Zhao, Y. F., Brochu, M., and Mezzetta, J. (September 13, 2017). "Multi-Objective Build Orientation Optimization for Powder Bed Fusion by Laser." ASME. J. Manuf. Sci. Eng. November 2017; 139(11): 111011. https://doi.org/10.1115/1.4037570
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