Please use this identifier to cite or link to this item: https://doi.org/10.3390/ma10060621
Title: Using B4C nanoparticles to enhance thermal and mechanical response of aluminum
Authors: Ubaid, F
Matli, P.R
Shakoor, R.A
Parande, G
Manakari, V
Amer Mohamed, A.M
Gupta, M 
Keywords: Boron carbide
Elastic moduli
Extrusion
Extrusion dies
Hardness
Mechanical properties
Microwave heating
Nanocomposites
Nanoparticles
Porosity
Sintering
Tensile strength
Thermal expansion
Ceramic reinforcements
Electron microscopy analysis
Hot extrusion
Hot extrusion process
Mechanical characterizations
Microwave sintering
Thermal characteristics
Uniform distribution
Aluminum
Issue Date: 2017
Publisher: MDPI AG
Citation: Ubaid, F, Matli, P.R, Shakoor, R.A, Parande, G, Manakari, V, Amer Mohamed, A.M, Gupta, M (2017). Using B4C nanoparticles to enhance thermal and mechanical response of aluminum. Materials 10 (6) : 621. ScholarBank@NUS Repository. https://doi.org/10.3390/ma10060621
Abstract: In this work, Al-B4C nanocomposites were produced by microwave sintering and followed by hot extrusion processes. The influence of ceramic reinforcement (B4C) nanoparticles on the physical, microstructural, mechanical, and thermal characteristics of the extruded Al-B4C nanocomposites was investigated. It was observed that the density decreased and porosity increased with an increase in B4C content in aluminum matrix. The porosity of the composites increased whereas density decreased with increasing B4C content. Electron microscopy analysis reveals the uniform distribution of B4C nanoparticles in the Al matrix. Mechanical characterization results revealed that hardness, elastic modulus, compression, and tensile strengths increased whereas ductility decreases with increasing B4C content. Al-1.0 vol. % B4C nanocomposite exhibited best hardness (135.56 Hv), Young's modulus (88.63 GPa), and compression/tensile strength (524.67/194.41 MPa) among the materials investigated. Further, coefficient of thermal expansion (CTE) of composites gradually decreased with an increase in B4C content. © 2017 by the authors.
Source Title: Materials
URI: https://scholarbank.nus.edu.sg/handle/10635/174422
ISSN: 1996-1944
DOI: 10.3390/ma10060621
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