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Volume 11
Issue 6
10.3390/ma11060994
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Article

Closed Die Upsetting of Aluminum Matrix Composites Reinforced with Molybdenum Disulfide Nanocrystals and Multilayer Graphene, Implemented using the SPS Process—Microstructure Evolution

by
Marek Kostecki
*,
Mateusz Petrus
,
Jarosław Woźniak
,
Tomasz Cygan
and
Andrzej Olszyna
Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska St. 141, 02-507 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Materials 2018, 11(6), 994; https://doi.org/10.3390/ma11060994
Submission received: 11 April 2018 / Revised: 6 June 2018 / Accepted: 7 June 2018 / Published: 12 June 2018
(This article belongs to the Collection Spark-Plasma Sintering and Related Field-Assisted Powder Consolidation Technologies)
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Abstract

New methods for producing composite materials such as SPS (Spark Plasma Sintering) are becoming more and more popular due to the ease of implementation in industrial conditions and the versatility of the materials used for processing. In order to fully exploit the potential of this method, modifications were proposed which consisted in the deliberate induction of deformation during the sintering process. The influence of the manufacturing method on the microstructure of aluminum alloy matrix composites reinforced with layered crystals in the form of nanoflakes was investigated. Composites with the addition of 10 vol % of multilayer graphene and molybdenum disulfide were prepared and their density, hardness, and the influence of the deformation ratio on the changes occurring in the microstructure were examined. The potential of the method to shape the properties of the tested composites and the strong dependence of the obtained results on the morphology of the reinforcing phase was indicated. An interesting phenomenon observed for composites with the addition of MoS2 during the process was the reaction of the components leading to in situ formation of the Al12Mo intermetallic phase.
Keywords: aluminum matrix composites; multilayer graphene; molybdenum disulfide; SPS sintering aluminum matrix composites; multilayer graphene; molybdenum disulfide; SPS sintering

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MDPI and ACS Style

Kostecki, M.; Petrus, M.; Woźniak, J.; Cygan, T.; Olszyna, A. Closed Die Upsetting of Aluminum Matrix Composites Reinforced with Molybdenum Disulfide Nanocrystals and Multilayer Graphene, Implemented using the SPS Process—Microstructure Evolution. Materials 2018, 11, 994. https://doi.org/10.3390/ma11060994

AMA Style

Kostecki M, Petrus M, Woźniak J, Cygan T, Olszyna A. Closed Die Upsetting of Aluminum Matrix Composites Reinforced with Molybdenum Disulfide Nanocrystals and Multilayer Graphene, Implemented using the SPS Process—Microstructure Evolution. Materials. 2018; 11(6):994. https://doi.org/10.3390/ma11060994

Chicago/Turabian Style

Kostecki, Marek, Mateusz Petrus, Jarosław Woźniak, Tomasz Cygan, and Andrzej Olszyna. 2018. "Closed Die Upsetting of Aluminum Matrix Composites Reinforced with Molybdenum Disulfide Nanocrystals and Multilayer Graphene, Implemented using the SPS Process—Microstructure Evolution" Materials 11, no. 6: 994. https://doi.org/10.3390/ma11060994

APA Style

Kostecki, M., Petrus, M., Woźniak, J., Cygan, T., & Olszyna, A. (2018). Closed Die Upsetting of Aluminum Matrix Composites Reinforced with Molybdenum Disulfide Nanocrystals and Multilayer Graphene, Implemented using the SPS Process—Microstructure Evolution. Materials, 11(6), 994. https://doi.org/10.3390/ma11060994

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