Dry Sliding Wear and Mechanical Characterization of Mg Based Composites by Uniaxial Cold Press Technique

Dry sliding wear tests are performed on magnesium composites produced by uniaxial cold press technique by using pin-on-disc. Co-efficient of friction and wear rate of magnesium composites are measured under a load of 5 N and sliding velocity of 0.2 ms . Porosity, Vickers’s micro hardness, X-Ray Diff...

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Bibliographic Details
Published in:Archives of metallurgy and materials 2017-09, Vol.62 (3), p.1851-1856
Main Authors: Kumar, P. Selva, Ponappa, K., Udhayasankar, M., Aravindkumar, B.
Format: Article
Language:English
Subjects:
Abrasive wear
Bio-degradable materials
Cold pressing
Diamond pyramid hardness
Frictional wear
Magnesium
Magnesium composites
Mechanical properties
Oxidation
Porosity
powder metallurgy
Sliding friction
wear
Wear mechanisms
Wear rate
X-ray diffraction
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Summary:Dry sliding wear tests are performed on magnesium composites produced by uniaxial cold press technique by using pin-on-disc. Co-efficient of friction and wear rate of magnesium composites are measured under a load of 5 N and sliding velocity of 0.2 ms . Porosity, Vickers’s micro hardness, X-Ray Diffraction (XRD) results are presented to characterize the physical and mechanical properties of magnesium composites. Worn surfaces are inspected by Scanning Electron Microscope (SEM) and Energy Dispersive X-ray Spectroscopy (EDS). Three types of wear mechanisms namely abrasive, adhesive and oxidation were observed. The wear rate was found to be low for 2wt% of HAP (3.6×10 cm /m) and co-efficient of friction was observed as 0.8.
ISSN:2300-1909
1733-3490
2300-1909
DOI:10.1515/amm-2017-0280