Wire EDM mechanism of MMCs with the variation of reinforced particle size

Pramanik, A and Littlefair, G 2016, Wire EDM mechanism of MMCs with the variation of reinforced particle size, Materials and manufacturing processes, vol. 31, no. 13, pp. 1700-1708, doi: 10.1080/10426914.2015.1117621.

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Title Wire EDM mechanism of MMCs with the variation of reinforced particle size
Author(s) Pramanik, A
Littlefair, G
Journal name Materials and manufacturing processes
Volume number 31
Issue number 13
Start page 1700
End page 1708
Total pages 9
Publisher Taylor & Francis
Place of publication Abingdon, Eng.
Publication date 2016
ISSN 1042-6914
1532-2475
Keyword(s) aluminum
composites
EDM
machinability
matrix
particles
reinforcement
surface
wire
Science & Technology
Technology
Engineering, Manufacturing
Materials Science, Multidisciplinary
Engineering
Materials Science
METAL-MATRIX COMPOSITES
MATERIAL REMOVAL
Summary The size of reinforced particles notably affects the electro-discharge machining (EDM) of metal matrix composites (MMCs). This paper explores the mechanism of wire EDM of MMCs with different sizes of reinforced particles as well as the corresponding unreinforced matrix material. The mechanisms of material removal, surface generation, and taper kerf formation were investigated. This study shows that the particles’ ability to protect matrix materials from the intense heat of electric arc controls the material removal rate, surface generation, and taper of kerf. The low melting point matrix material is removed very easily, but the heat resistance reinforced particles delay the removal of material and facilitate the transfer of the workpiece material to wire electrode and vice versa. Thus, the material stays longer in touch with intense heat and affects the surface generation, wire electrode wear, and width of the kerf.
Language eng
DOI 10.1080/10426914.2015.1117621
Field of Research 091006 Manufacturing Processes and Technologies (excl Textiles)
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Taylor & Francis
Persistent URL http://hdl.handle.net/10536/DRO/DU:30085388

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