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Gholam Hossein Majzoobi

Gholam Hossein Majzoobi

Academic rank: Professor
ORCID:
Education: PhD.
ScopusId: 6507393695
HIndex:
Faculty: Faculty of Engineering
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Phone:

Research

Title
Temperature effect on mechanical and tribological characterization of Mg-SiC nanocomposite fabricated by high rate compaction
Type
JournalPaper
Keywords
dynamic compaction; mechanical properties; Mg-SiC nanocomposite; powder; wear
Year
2018
Journal Materials Research Express
DOI
Researchers Gholam Hossein Majzoobi ، ، َA Atrian

Abstract

In this paper, dynamic compaction is employed to produce Mg-SiC nanocomposite samples using a mechanical drop hammer. Different volume fractions of SiC nano reinforcement and magnesium (Mg) micron-size powder as the matrix are mechanically milled and consolidated at different temperatures. It is found that with the increase of temperature the sintering requirements is satisfied and higher quality samples are fabricated. The density, hardness, compressive strength and the wear resistance of the compacted specimens are characterized in this work. It was found that by increasing the content of nano reinforcement, the relative density of the compacted samples decreases, whereas, the micro-hardness and the strength of the samples enhance. Furthermore, higher densification temperatures lead to density increase and hardness reduction. Additionally, it is found that the wear rate of the nanocomposite is increased remarkably by increasing the SiC nano reinforcement. © 2018 IOP Publishing Ltd.