[PDF][PDF] Dry sliding wear behaviour of Al 2219/SiC metal matrix composites
S Basavarajappa… - Materials …, 2006 - materialsscience.pwr.edu.pl
Materials Science-Poland, 2006•materialsscience.pwr.edu.pl
The present study deals with investigations relating to dry sliding wear behaviour of the Al
2219 alloy, reinforced with SiC particles in 0–15 wt.% in three steps. Unlubricated pin-on
disc tests were conducted to examine the wear behaviour of the aluminium alloy and its
composites. The tests were conducted at varying loads, from 0 to 60 N and a sliding speeds
of 1.53 m/s, 3 m/s, 4.6 m/s, and 6.1 m/s for a constant sliding distance of 5000 m. The results
showed that the wear rates of the composites are lower than that of the matrix alloy and …
2219 alloy, reinforced with SiC particles in 0–15 wt.% in three steps. Unlubricated pin-on
disc tests were conducted to examine the wear behaviour of the aluminium alloy and its
composites. The tests were conducted at varying loads, from 0 to 60 N and a sliding speeds
of 1.53 m/s, 3 m/s, 4.6 m/s, and 6.1 m/s for a constant sliding distance of 5000 m. The results
showed that the wear rates of the composites are lower than that of the matrix alloy and …
The present study deals with investigations relating to dry sliding wear behaviour of the Al 2219 alloy, reinforced with SiC particles in 0–15 wt.% in three steps. Unlubricated pin-on disc tests were conducted to examine the wear behaviour of the aluminium alloy and its composites. The tests were conducted at varying loads, from 0 to 60 N and a sliding speeds of 1.53 m/s, 3 m/s, 4.6 m/s, and 6.1 m/s for a constant sliding distance of 5000 m. The results showed that the wear rates of the composites are lower than that of the matrix alloy and further decrease with increasing SiC content. As the load increases, cracking of SiC particles occurs and a combination of abrasion, delamination, and adhesive wear is observed. The samples were examined using scanning electronic microscopy after wear testing and analysed.
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