Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/86093
Title: The effect of particulate reinforcements in influencing the damping response of magnesium
Authors: Gupta, M. 
Srikanth, N.
Ugandhar, S.
Srivatsan, T.S.
Keywords: Composite
Damping
Inelasticity
Internal friction
Magnesium
Particulates
Reinforcement
Issue Date: 2005
Source: Gupta, M.,Srikanth, N.,Ugandhar, S.,Srivatsan, T.S. (2005). The effect of particulate reinforcements in influencing the damping response of magnesium. Processing and Fabrication of Advanced Materials XIV With Frontiers in Materials Science 2005: Innovative Materials and Manufacturing Techiques - Proceedings of a Symposium : 3-29. ScholarBank@NUS Repository.
Abstract: The properties of magnesium, specifically the specific stiffness, strength and damping, can be enhanced by the addition of reinforcements such as particulates of silicon carbide. The intrinsic influence of silicon carbide particulates in a magnesium matrix has engendered considerable scientific and technological interest. In this research study the possible variation in overall damping property, measured using an impact based vibration method coupled with circle-fit approach, which focuses on internal friction arising at the matrix-reinforcement particulate interfaces was investigated. Also examined is the presence of a second reinforcing phase, which is particulates of titanium, along with particulates of silicon carbide. Results reveal the presence of submicron-sized SiC particulates (SiCp) in the magnesium metal matrix is effective in enhancing the damping response of the metal matrix and quite comparable with the results for micronsized SiCp. The influence of particulate reinforcements on damping is rationalized in terms of the conjoint and interactive influences of intrinsic microstructural contributions and presence of a plastic zone at the particulate-matrix interfaces.
Source Title: Processing and Fabrication of Advanced Materials XIV With Frontiers in Materials Science 2005: Innovative Materials and Manufacturing Techiques - Proceedings of a Symposium
URI: http://scholarbank.nus.edu.sg/handle/10635/86093
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