Historically, the approach in material selection was to find the proper material that serves a specific application. Recently, a new approach is implemented such that materials are being architected and topologically tailored to deliver a specific functionality. Periodic cellular materials are increasingly gaining interest due to their tunable structure-related properties. However, the concept of structure–property relationship is not fully employed due to limitations in manufacturing capabilities. Nowadays, additive manufacturing (AM) techniques are facilitating the fabrication of complex structures with high control over the topology. In this work, the mechanical properties of additively manufactured periodic metallic cellular materials are investigated. The presented cellular materials comprise a shell-like topology based on the mathematically known triply periodic minimal surfaces (TPMS). Maraging steel samples with different topologies and relative densities have been fabricated using the powder bed fusion selective laser sintering (SLS) technique, and three-dimensional printing quality was assessed by means of electron microscopy. Samples were tested in compression and the compressive mechanical properties have been deduced. Effects of changing layer thickness and postprocessing such as heat treatment are discussed. Results showed that the diamond TPMS lattice has shown superior mechanical properties among the examined topologies.
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April 2019
Research-Article
On Mechanical Properties of Cellular Steel Solids With Shell-Like Periodic Architectures Fabricated by Selective Laser Sintering
Oraib Al-Ketan,
Oraib Al-Ketan
Mechanical Engineering Department,
Khalifa University of Science and Technology,
Abu Dhabi 127788, United Arab Emirates
Khalifa University of Science and Technology,
Abu Dhabi 127788, United Arab Emirates
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Reza Rowshan,
Reza Rowshan
Core Technology Platforms,
New York University Abu Dhabi,
Abu Dhabi 129188, United Arab Emirates
New York University Abu Dhabi,
Abu Dhabi 129188, United Arab Emirates
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Anthony N. Palazotto,
Anthony N. Palazotto
Department of Aeronautics and Astronautics,
Air Force Institute of Technology,
WPAFB, OH 45433-7765
Air Force Institute of Technology,
WPAFB, OH 45433-7765
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Rashid K. Abu Al-Rub
Rashid K. Abu Al-Rub
Mechanical Engineering Department;
Aerospace Engineering Department,
Khalifa University of Science and Technology,
Abu Dhabi 127788, United Arab Emirates
e-mails: rashid.abualrub@ku.ac.ae;
rashedkamel@yahoo.com
Khalifa University of Science and Technology,
Abu Dhabi 127788, United Arab Emirates
e-mails: rashid.abualrub@ku.ac.ae;
rashedkamel@yahoo.com
Search for other works by this author on:
Oraib Al-Ketan
Mechanical Engineering Department,
Khalifa University of Science and Technology,
Abu Dhabi 127788, United Arab Emirates
Khalifa University of Science and Technology,
Abu Dhabi 127788, United Arab Emirates
Reza Rowshan
Core Technology Platforms,
New York University Abu Dhabi,
Abu Dhabi 129188, United Arab Emirates
New York University Abu Dhabi,
Abu Dhabi 129188, United Arab Emirates
Anthony N. Palazotto
Department of Aeronautics and Astronautics,
Air Force Institute of Technology,
WPAFB, OH 45433-7765
Air Force Institute of Technology,
WPAFB, OH 45433-7765
Rashid K. Abu Al-Rub
Mechanical Engineering Department;
Aerospace Engineering Department,
Khalifa University of Science and Technology,
Abu Dhabi 127788, United Arab Emirates
e-mails: rashid.abualrub@ku.ac.ae;
rashedkamel@yahoo.com
Khalifa University of Science and Technology,
Abu Dhabi 127788, United Arab Emirates
e-mails: rashid.abualrub@ku.ac.ae;
rashedkamel@yahoo.com
1Corresponding author.
Contributed by the Materials Division of ASME for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received June 9, 2018; final manuscript received October 17, 2018; published online January 31, 2019. Assoc. Editor: Anastasia Muliana.
J. Eng. Mater. Technol. Apr 2019, 141(2): 021009 (12 pages)
Published Online: January 31, 2019
Article history
Received:
June 9, 2018
Revised:
October 17, 2018
Citation
Al-Ketan, O., Rowshan, R., Palazotto, A. N., and Abu Al-Rub, R. K. (January 31, 2019). "On Mechanical Properties of Cellular Steel Solids With Shell-Like Periodic Architectures Fabricated by Selective Laser Sintering." ASME. J. Eng. Mater. Technol. April 2019; 141(2): 021009. https://doi.org/10.1115/1.4041874
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