Wear Behaviour of CNT and Boron Fibers Reinforced AL 6061 Metal Matrix Composites

Wear Behaviour of CNT and Boron Fibers Reinforced AL 6061 Metal Matrix Composites
Author(s):
Thippeswamy D G, Dr Shivarudraiah
Keywords:
Al 6061, Boron fibers, MWCNT, SEM, Wear.
Abstract
Abstract— Aluminium based metal matrix composites are used in various structural applications such as aerospace, automobile and other sports equipments due to their physical properties such as ductility, light weight, more stiffness etc, as compared to base alloy. In this present work, Al 6061 was used as metal matrix with varying weight percentages of Multiwalled Carbon nanotubes (MWCNT) and Boron fibers as reinforcements. Stir casting method was used to fabricate the metal matrix composites. The fabricated composites was machined to prepare wear specimens according to ASTM Standards. The wear properties were investigate using pin on disc apparatus. Testing was conducted by varying load and keeping speed constant. From the obtained results and graph plotted, it is found that as the percentage of reinforcement increases there was a decrease in wear rate of the composite. The specimen of 1.5 to 2 weight percentage of MWCNT and 3 to 5 weight percentage of Boron fiber yielded better results compared to the base material. The worn out surface was analyzed using Scanning Electron Microscope (SEM).
Article Details
Unique Paper ID: 150865 Publication Volume & Issue: Volume 7, Issue 10 Page(s): 138 - 142
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