All Outputs (78)

A Review on Nanocomposites. Part 2: Micromachining (2020)
Journal Article
Le, B., Khaliq, J., Huo, D., Teng, X., & Shyha, I. (2020). A Review on Nanocomposites. Part 2: Micromachining. Journal of Manufacturing Science and Engineering, 142(10), Article 100802. https://doi.org/10.1115/1.4047138

Micromachining of nanocomposites is deemed to be a complicated process due to the anisotropic, heterogeneous structure and advanced mechanical properties of these materials associated with the size effects in micromachining. It leads to poorer machin... Read More about A Review on Nanocomposites. Part 2: Micromachining.

Solution Blow Spinning of High-Performance Submicron Polyvinylidene Fluoride Fibres: Computational Fluid Mechanics Modelling and Experimental Results (2020)
Journal Article
Atif, R., Combrinck, M., Khaliq, J., Hassanin, A. H., Shehata, N., Elnabawy, E., & Shyha, I. (2020). Solution Blow Spinning of High-Performance Submicron Polyvinylidene Fluoride Fibres: Computational Fluid Mechanics Modelling and Experimental Results. Polymers, 12(5), Article 1140. https://doi.org/10.3390/polym12051140

Computational fluid dynamics (CFD) was used to investigate characteristics of high-speed air as it is expelled from a solution blow spinning (SBS) nozzle using a k-ε turbulence model. Air velocity, pressure, temperature, turbulent kinetic energy and... Read More about Solution Blow Spinning of High-Performance Submicron Polyvinylidene Fluoride Fibres: Computational Fluid Mechanics Modelling and Experimental Results.

Experimental investigation on micromachining of epoxy/graphene nano platelet nanocomposites (2020)
Journal Article
Fu, G., Huo, D., Shyha, I., Pancholi, K., & Alzahrani, B. (2020). Experimental investigation on micromachining of epoxy/graphene nano platelet nanocomposites. International Journal of Advanced Manufacturing Technology, 107, 3169-3183. https://doi.org/10.1007/s00170-020-05190-4

This paper investigates the effect of graphene nano platelet (GNP) content (%weight fraction) on the machinability of epoxy/GNP nanocomposites. The machinability of nanocomposites with varying loadings of GNP content was evaluated experimentally thro... Read More about Experimental investigation on micromachining of epoxy/graphene nano platelet nanocomposites.

Improved non-contact 3D field and processing techniques to achieve macrotexture characterisation of pavements (2019)
Journal Article
Edmondson, V., Woodward, J., Lim, M., Kane, M., Martin, J., & Shyha, I. (2019). Improved non-contact 3D field and processing techniques to achieve macrotexture characterisation of pavements. Construction and Building Materials, 227, Article 116693. https://doi.org/10.1016/j.conbuildmat.2019.116693

Macrotexture is required on pavements to provide skid resistance for vehicle safety in wet conditions. Increasingly, correlations between macrotexture measurements captured using non-contact techniques and tyre-pavement contact friction are being inv... Read More about Improved non-contact 3D field and processing techniques to achieve macrotexture characterisation of pavements.

Experimental Investigation on Micro Milling of Polyester/Halloysite Nano-Clay Nanocomposites (2019)
Journal Article
Fu, G., Huo, D., Shyha, I., Pancholi, K., & Saharudin, M. S. (2019). Experimental Investigation on Micro Milling of Polyester/Halloysite Nano-Clay Nanocomposites. Nanomaterials, 9(7), Article 917. https://doi.org/10.3390/nano9070917

Efficient machining of the polyester nanocomposite components requires a better understanding of machinability characteristics of such material, which has become an urgent requirement for modern industrial production. In this research, the micro-mill... Read More about Experimental Investigation on Micro Milling of Polyester/Halloysite Nano-Clay Nanocomposites.

Effects of minimal quantity lubricants reinforced with nano-particles on the performance of carbide drills for drilling nickel-titanium alloys (2019)
Journal Article
Rosnan, R., Murad, M. N., Azmi, A. I., & Shyha, I. (2019). Effects of minimal quantity lubricants reinforced with nano-particles on the performance of carbide drills for drilling nickel-titanium alloys. Tribology International, 136, 58-66. https://doi.org/10.1016/j.triboint.2019.03.029

Drilling of NiTi alloys under two lubricant-coolant strategies; namely flood and minimal quantity nanolubricant; two types of carbides drills, and three cutting speeds was investigated. Progressive tool wear, tool-life, drilling thrust force, surface... Read More about Effects of minimal quantity lubricants reinforced with nano-particles on the performance of carbide drills for drilling nickel-titanium alloys.

Effect of hydrogen content on the double oxide film defects and properties of aluminium castings: A review (2018)
Journal Article
El-Sayed, M. A., Shyha, I., & Basuny, F. H. (2018). Effect of hydrogen content on the double oxide film defects and properties of aluminium castings: A review. Journal of Engineering Technology, 6, 225-244

Entrapped double oxide films are known to be the most detrimental defects in cast aluminium alloys. In addition, hydrogen dissolved in the aluminium melt was suggested to pass into the defects to expand them and cause hydrogen porosity. This paper pr... Read More about Effect of hydrogen content on the double oxide film defects and properties of aluminium castings: A review.

Comparison of cutting mechanism when machining micro and nano-particles reinforced SiC/Al metal matrix composites (2018)
Journal Article
Teng, X., Chen, W., Huo, D., Shyha, I., & Lin, C. (2018). Comparison of cutting mechanism when machining micro and nano-particles reinforced SiC/Al metal matrix composites. Composite Structures, 203, 636-647. https://doi.org/10.1016/j.compstruct.2018.07.076

Recently, metal matrix composites (MMCs) reinforced with nano-particles receive increasing attention from academia and industries. The cutting mechanism of nano MMCs is believed to be different when compared to composites reinforced with micro partic... Read More about Comparison of cutting mechanism when machining micro and nano-particles reinforced SiC/Al metal matrix composites.

Dynamic simulation of machining composites using the explicit element-free Galerkin method (2018)
Journal Article
Kahwash, F., Shyha, I., & Maheri, A. (2018). Dynamic simulation of machining composites using the explicit element-free Galerkin method. Composite Structures, 198, 156-173. https://doi.org/10.1016/j.compstruct.2018.05.034

Machining operations are performed on composite parts to obtain the final geometry. However, machining composites is challenging due to their low machinability and high cost. Numerical modelling of machining presents a valuable tool for cost reductio... Read More about Dynamic simulation of machining composites using the explicit element-free Galerkin method.

Analysis of Microstructure and Chip Formation When Machining Ti-6Al-4V (2018)
Journal Article
Shyha, I., Gariani, S., El-Sayed, M., & Huo, D. (2018). Analysis of Microstructure and Chip Formation When Machining Ti-6Al-4V. Metals, 8(3), Article 185. https://doi.org/10.3390/met8030185

Microstructure and chip formation were evaluated during the step shoulder down-milling of Ti-6Al-4V using a water-miscible vegetable oil-based cutting fluid. Experiments were conducted using the Cut-list fluid supply system previous developed by the... Read More about Analysis of Microstructure and Chip Formation When Machining Ti-6Al-4V.

An evaluation of dust release when machining nano-structured composite materials (2018)
Presentation / Conference Contribution
Shyha, I., Deary, M., & Huo, D. (2018, March). An evaluation of dust release when machining nano-structured composite materials. Paper presented at International Conference on Materials Science and Engineering: Recent Advances and Challenges, Alexandria

Finite element modelling on cutting mechanism of nano Mg/SiC metal matrix composites considering cutting edge radius (2018)
Journal Article
Teng, X., Huo, D., Chen, W., Wong, E., Zheng, L., & Shyha, I. (2018). Finite element modelling on cutting mechanism of nano Mg/SiC metal matrix composites considering cutting edge radius. Journal of Manufacturing Processes, 32, 116-126. https://doi.org/10.1016/j.jmapro.2018.02.006

In the last two decades, metal matrix composites (MMCs) have been utilised in various industrial applications owing to their high strength-to-weight ratio and superior wear resistance. However, these superior mechanical properties bring poor machinab... Read More about Finite element modelling on cutting mechanism of nano Mg/SiC metal matrix composites considering cutting edge radius.

An experimental study on tool wear behaviour in micro milling of nano Mg/Ti metal matrix composites (2018)
Journal Article
Teng, X., Huo, D., Shyha, I., Chen, W., & Wong, E. (2018). An experimental study on tool wear behaviour in micro milling of nano Mg/Ti metal matrix composites. International Journal of Advanced Manufacturing Technology, 96, 2127-2140. https://doi.org/10.1007/s00170-018-1672-z

With the development of metal matrix composites (MMCs), the mechanical properties of MMCs with a small volume fraction of nano-sized particles were found to be even superior to that with a larger content of micron-sized particles. However, the improv... Read More about An experimental study on tool wear behaviour in micro milling of nano Mg/Ti metal matrix composites.

Environmental stress cracking resistance of halloysite nanoclay-polyester nanocomposites (2017)
Journal Article
Saharudin, M., Wei, J., Shyha, I., & Inam, F. (2017). Environmental stress cracking resistance of halloysite nanoclay-polyester nanocomposites. World Journal of Engineering and Technology, 5, 389-403. https://doi.org/10.4236/wjet.2017.53033

The environmental stress cracking resistance of halloysite nanoclay-polyester nanocomposites was investigated using fracture mechanics approach. The incorporation of halloysite nanoclay was found to improve the environmental stress cracking resistanc... Read More about Environmental stress cracking resistance of halloysite nanoclay-polyester nanocomposites.

Process Optimisation for Internal Cylindrical Rough Turning of Nickel Alloy 625 Weld Overlay (2017)
Journal Article
Chan, L., Shyha, I., Dreyer, D., Hamilton, J., & Hackney, P. (2017). Process Optimisation for Internal Cylindrical Rough Turning of Nickel Alloy 625 Weld Overlay. International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering, 11(4),

Nickel-based superalloys are generally known to be difficult to cut due to their strength, low thermal conductivity, and high work hardening tendency. Superalloy such as alloy 625 is often used in the oil and gas industry as a surfacing material to p... Read More about Process Optimisation for Internal Cylindrical Rough Turning of Nickel Alloy 625 Weld Overlay.

Tool Life Analysis When Turning Ti-6Al-4V Using Vegetable oil-based Cutting Fluid (2017)
Book Chapter
Gariani, S., Shyha, I., Jackson, C., & Inam, F. (2017). Tool Life Analysis When Turning Ti-6Al-4V Using Vegetable oil-based Cutting Fluid. In S. Debnath (Ed.), Manufacturing Sciences and Technologies VII (36-40). Trans Tech Publications

This paper details experimental results when turning Ti-6Al-4V using water-miscible vegetable oil-based cutting fluid. The effects of coolant concentration and working conditions on tool flank wear and tool life were evaluated. L27 fractional factori... Read More about Tool Life Analysis When Turning Ti-6Al-4V Using Vegetable oil-based Cutting Fluid.

Experimental Analysis of System Parameters for Minimum Cutting Fluid Consumption when Machining Ti-6Al-4V Using a Novel Supply System (2017)
Journal Article
Gariani, S., Shyha, I., Inam, F., & Huo, D. (2018). Experimental Analysis of System Parameters for Minimum Cutting Fluid Consumption when Machining Ti-6Al-4V Using a Novel Supply System. International Journal of Advanced Manufacturing Technology, 95, 2795-2809. https://doi.org/10.1007/s00170-017-1216-y

This paper presents the development of a new controlled cutting fluid impinging supply system (Cut-list) to deliver an accurate quantity of cutting fluid into machining zones through precisely oriented coherent round nozzles. The performance of the n... Read More about Experimental Analysis of System Parameters for Minimum Cutting Fluid Consumption when Machining Ti-6Al-4V Using a Novel Supply System.

Biodegradation of Halloysite Nanotubes-Polyester Nanocomposites Exposed to Short Term Seawater Immersion (2017)
Journal Article
Saharudin, M., Wei, J., Shyha, I., & Inam, F. (2017). Biodegradation of Halloysite Nanotubes-Polyester Nanocomposites Exposed to Short Term Seawater Immersion. Polymers, 9(12), Article 314. https://doi.org/10.3390/polym9080314

Halloysite nanotubes (HNTs)-polyester nanocomposites with four different concentrations were produced using solution casting technique and the biodegradation effect of short-term seawater exposure (120 h) was studied. Monolithic polyester was observe... Read More about Biodegradation of Halloysite Nanotubes-Polyester Nanocomposites Exposed to Short Term Seawater Immersion.

Composite machining tool (2017)
Patent
Shyha, I. (2017). Composite machining tool. WO2017098242A1

Evaluation of a Novel Controlled Cutting Fluid Impinging Supply System When Machining Titanium Alloys (2017)
Journal Article
Gariani, S., Shyha, I., Inam, F., & Huo, D. (2017). Evaluation of a Novel Controlled Cutting Fluid Impinging Supply System When Machining Titanium Alloys. Applied Sciences, 7(6), Article 560. https://doi.org/10.3390/app7060560

Following a comprehensive review on titanium machining and methods of cutting fluid application, this paper presents a new Controlled cutting fluid impinging supply system (Cut‐list) developed to deliver an accurate amount of cutting fluid into the m... Read More about Evaluation of a Novel Controlled Cutting Fluid Impinging Supply System When Machining Titanium Alloys.