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Hybrid metallic composite materials fabricated by sheathed powder compaction

Sapanathan, Thaneshan, Khoddam, Shahin, Zahiri, Saden H, Zarei-Hanzaki, Abbas and Ibrahim, Raafat 2016, Hybrid metallic composite materials fabricated by sheathed powder compaction, Journal of materials science, vol. 51, no. 6, pp. 3118-3124, doi: 10.1007/s10853-015-9621-9.

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Title Hybrid metallic composite materials fabricated by sheathed powder compaction
Author(s) Sapanathan, Thaneshan
Khoddam, ShahinORCID iD for Khoddam, Shahin orcid.org/0000-0002-5205-2086
Zahiri, Saden H
Zarei-Hanzaki, Abbas
Ibrahim, Raafat
Journal name Journal of materials science
Volume number 51
Issue number 6
Start page 3118
End page 3124
Total pages 7
Publisher Springer
Place of publication Berlin, Germany
Publication date 2016-03
ISSN 0022-2461
1573-4803
Keyword(s) sheathed powder compaction (SPC)
hybrid metallic composite samples
densification
electron microscopy
micro hardness
micro shear punch tests
density ratio measurements
structure
properties
materials
engineering materials
Science & Technology
Technology
Materials Science, Multidisciplinary
Materials Science
Hgih-pressure torsion
Severe plastic-deformation
Mechanical-properties
Aluminium/copper composite
Matrix composites
Microstructure
Consolidation
Alloy
Strength
Extrusion
Summary A new process, sheathed powder compaction (SPC), was proposed to fabricate hybrid metallic composite samples at room temperature. The process involves densification of fine powder in an annulus sheath under combined moderate pressure and shear. Hybrid samples of copper annular with aluminum powder were produced to demonstrate the merits of the process. The fabricated samples were characterized and explored using electron microscopy, micro hardness, micro shear punch tests and density ratio measurements. Comparing “shear punch response” of the samples in the Al region with those of commercially pure aluminum and Al 5005-H34 samples showed an excellent shearing strength in the region. The electron backscatter diffraction analyses and scanning electron microscopy observations suggested that the substantially enhanced strength was facilitated by a significant SPC induced grain refinement. Moreover, the annular sheath (copper) also showed significant grain refinement due to the process. These demonstrated promising potentials of the SPC to manufacture hybrid metals with concurrent grain refinement at room temperature under moderate processing conditions. Graphical Abstract: [Figure not available: see fulltext.]
Language eng
DOI 10.1007/s10853-015-9621-9
Field of Research 099999 Engineering not elsewhere classified
09 Engineering
03 Chemical Sciences
Socio Economic Objective 0 Not Applicable
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2015, Springer Science+Business Media New York
Persistent URL http://hdl.handle.net/10536/DRO/DU:30090334

Document type: Journal Article
Collection: Institute for Frontier Materials
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