Manufacturing of Ultra-Fine Particle Coal Fly Ash–A380 Aluminum Matrix Composites with Improved Mechanical Properties by Improved Ring Milling and Oscillating Microgrid Mixing

Georgios Kaisarlis; Georgios Vasiliou; Vasileios Spitas; Vassilis Inglezakis; Grigorios Itskos; Christos Spitas

doi:10.1007/s11665-019-04083-2

Manufacturing of Ultra-Fine Particle Coal Fly Ash–A380 Aluminum Matrix Composites with Improved Mechanical Properties by Improved Ring Milling and Oscillating Microgrid Mixing

Georgios Kaisarlis, Georgios Vasiliou, Vasileios Spitas, Vassilis Inglezakis, Grigorios Itskos, Christos Spitas

Research output: Journal Publication › Article › peer-review

4 Citations (Scopus)

Abstract

An experimental study is presented of ultra-fine coal fly ash (CFA) aluminum matrix composites produced by successive high-power ring milling of CFA, oscillating microgrid mixing of the CFA–aluminum melt, gravity casting and rapid cooling. Samples corresponding to different CFA concentrations and particle size distributions (1 μm average, or less) are produced and subjected to microstructural and mechanical characterization, including tensile, compressive, impact, hardness and wear testing. While the usual trade-off between increased strength and hardness and reduced ductility and toughness is observed, the obtained ultra-fine particle composites are confirmed to have overall improved mechanical properties compared to composites with larger size particles previously produced by ball milling.

Original language	English
Pages (from-to)	2630-2640
Number of pages	11
Journal	Journal of Materials Engineering and Performance
Volume	28
Issue number	5
DOIs	https://doi.org/10.1007/s11665-019-04083-2
Publication status	Published - 15 May 2019
Externally published	Yes

Keywords

A380 aluminum alloy
high-energy ring milling
mechanical testing
metal matrix composites
ultra-fine coal fly ash (CFA)

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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10.1007/s11665-019-04083-2

Cite this

Kaisarlis, G., Vasiliou, G., Spitas, V., Inglezakis, V., Itskos, G., & Spitas, C. (2019). Manufacturing of Ultra-Fine Particle Coal Fly Ash–A380 Aluminum Matrix Composites with Improved Mechanical Properties by Improved Ring Milling and Oscillating Microgrid Mixing. Journal of Materials Engineering and Performance, 28(5), 2630-2640. https://doi.org/10.1007/s11665-019-04083-2

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title = "Manufacturing of Ultra-Fine Particle Coal Fly Ash–A380 Aluminum Matrix Composites with Improved Mechanical Properties by Improved Ring Milling and Oscillating Microgrid Mixing",

abstract = "An experimental study is presented of ultra-fine coal fly ash (CFA) aluminum matrix composites produced by successive high-power ring milling of CFA, oscillating microgrid mixing of the CFA–aluminum melt, gravity casting and rapid cooling. Samples corresponding to different CFA concentrations and particle size distributions (1 μm average, or less) are produced and subjected to microstructural and mechanical characterization, including tensile, compressive, impact, hardness and wear testing. While the usual trade-off between increased strength and hardness and reduced ductility and toughness is observed, the obtained ultra-fine particle composites are confirmed to have overall improved mechanical properties compared to composites with larger size particles previously produced by ball milling.",

keywords = "A380 aluminum alloy, high-energy ring milling, mechanical testing, metal matrix composites, ultra-fine coal fly ash (CFA)",

author = "Georgios Kaisarlis and Georgios Vasiliou and Vasileios Spitas and Vassilis Inglezakis and Grigorios Itskos and Christos Spitas",

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year = "2019",

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doi = "10.1007/s11665-019-04083-2",

language = "English",

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Kaisarlis, G, Vasiliou, G, Spitas, V, Inglezakis, V, Itskos, G & Spitas, C 2019, 'Manufacturing of Ultra-Fine Particle Coal Fly Ash–A380 Aluminum Matrix Composites with Improved Mechanical Properties by Improved Ring Milling and Oscillating Microgrid Mixing', Journal of Materials Engineering and Performance, vol. 28, no. 5, pp. 2630-2640. https://doi.org/10.1007/s11665-019-04083-2

Manufacturing of Ultra-Fine Particle Coal Fly Ash–A380 Aluminum Matrix Composites with Improved Mechanical Properties by Improved Ring Milling and Oscillating Microgrid Mixing. / Kaisarlis, Georgios; Vasiliou, Georgios; Spitas, Vasileios et al.
In: Journal of Materials Engineering and Performance, Vol. 28, No. 5, 15.05.2019, p. 2630-2640.

Research output: Journal Publication › Article › peer-review

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AU - Kaisarlis, Georgios

AU - Vasiliou, Georgios

AU - Spitas, Vasileios

AU - Inglezakis, Vassilis

AU - Itskos, Grigorios

AU - Spitas, Christos

PY - 2019/5/15

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AB - An experimental study is presented of ultra-fine coal fly ash (CFA) aluminum matrix composites produced by successive high-power ring milling of CFA, oscillating microgrid mixing of the CFA–aluminum melt, gravity casting and rapid cooling. Samples corresponding to different CFA concentrations and particle size distributions (1 μm average, or less) are produced and subjected to microstructural and mechanical characterization, including tensile, compressive, impact, hardness and wear testing. While the usual trade-off between increased strength and hardness and reduced ductility and toughness is observed, the obtained ultra-fine particle composites are confirmed to have overall improved mechanical properties compared to composites with larger size particles previously produced by ball milling.

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KW - mechanical testing

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KW - ultra-fine coal fly ash (CFA)

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Manufacturing of Ultra-Fine Particle Coal Fly Ash–A380 Aluminum Matrix Composites with Improved Mechanical Properties by Improved Ring Milling and Oscillating Microgrid Mixing

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ASJC Scopus subject areas

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