Kumar, D Satish and Suman, K N S and Poddar, Palash (2020) A study on the impact and fatigue failure of AZ91E-Ni coated alumina composites. Canadian metallurgical quarterly .
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Failure analysis is a key concern in the development of composites. It not only helps to understand the material performance under severe loading conditions but also to decide the suitability of the material in particular applications. In this context, this paper highlights the behaviour of AZ91E with 2 wt-% nickel-coated alumina reinforced composites under different loading conditions. Composites were fabricated by semi-solid stir casting route while impact, and fatigue tests are conducted according to standard procedures. The properties of the prepared composite are discussed and compared with the monolithic alloy AZ91E. Ni coated alumina reinforced AZ91E magnesium-based composites yielded improved impact and fatigue strength because of good bonding between the matrix and reinforcement achieved through a metallic coating on the ceramic reinforcement. Further fractographical analysis is presented to understand the mechanism of failure.
|Uncontrolled Keywords:||AZ91E; Ni coating; alumina; magnesium composites; impact; fatigue; fractography; Semi solid stir casting;behavior|
|Divisions:||Material Science and Technology|
|Deposited By:||Sahu A K|
|Deposited On:||10 Jun 2020 16:36|
|Last Modified:||10 Jun 2020 16:36|
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