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Prof Islam Shyha's Outputs (96)

Meshfree formulation for modelling of orthogonal cutting of composites (2017)
Journal Article
Kahwash, F., Shyha, I., & Maheri, A. (2017). Meshfree formulation for modelling of orthogonal cutting of composites. Composite Structures, 166, 193-201. https://doi.org/10.1016/j.compstruct.2017.01.021

The Element-Free Galerkin method (EFG) is a prominent member of the meshfree methods family. In this work, EFG is utilised to simulate the orthogonal cutting process of unidirectional composites. The mathematical model is derived from the weak form o... Read More about Meshfree formulation for modelling of orthogonal cutting of composites.

Optimisation of Weld Overlay Cladding Parameters Using Full-Factorial Design of Experiment (2016)
Journal Article
Chan, L., Shyha, I., Dryer, D., & Hamilton, J. (2016). Optimisation of Weld Overlay Cladding Parameters Using Full-Factorial Design of Experiment. Materials Science Forum, 880, 54-58. https://doi.org/10.4028/www.scientific.net/MSF.880.54

Weld Overlay Cladding (WOC) shares the same scientific principals as conventional welding where there are multiple governing factors that control the process and outcome. The present work employs a Design of Experiment (DoE) approach to optimising pr... Read More about Optimisation of Weld Overlay Cladding Parameters Using Full-Factorial Design of Experiment.

Viscoelastic and Mechanical Properties of Multi-layered Graphene Polyester Composites (2016)
Presentation / Conference Contribution
Saharudin, M., Shyha, I., & Inam, F. (2016, May). Viscoelastic and Mechanical Properties of Multi-layered Graphene Polyester Composites. Presented at ICAME2016 - 2nd International Conference on Advances in Mechanical Engineering, Istanbul, Turkey

In this study, multi-layered-graphene (MLG) reinforced unsaturated polyester (UP) were prepared by adding different weight percentage of graphene in polyester resin and subsequently cross linked using mixture of methyl ethyl ketone peroxide. The mech... Read More about Viscoelastic and Mechanical Properties of Multi-layered Graphene Polyester Composites.

The degradation of mechanical properties in halloysite nanoclay-polyester nanocomposites exposed in seawater environment (2016)
Journal Article
Saharudin, M., Wei, J., Shyha, I., & Inam, F. (2016). The degradation of mechanical properties in halloysite nanoclay-polyester nanocomposites exposed in seawater environment. Journal of Nanomaterials, 2016, Article 2604631. https://doi.org/10.1155/2016/2604631

Polyester based polymers are extensively used in aggressive marine environments; however inadequate data available on the effects of the seawater on the polyester based nanocomposites mechanical properties. This paper reports the effect of seawater a... Read More about The degradation of mechanical properties in halloysite nanoclay-polyester nanocomposites exposed in seawater environment.

Mechanical, Thermal, and Electrical Properties of Graphene-Epoxy Nanocomposites—A Review (2016)
Journal Article
Atif, R., Shyha, I., & Inam, F. (2016). Mechanical, Thermal, and Electrical Properties of Graphene-Epoxy Nanocomposites—A Review. Polymers, 8(8), Article 281. https://doi.org/10.3390/polym8080281

Monolithic epoxy, because of its brittleness, cannot prevent crack propagation and is vulnerable to fracture. However, it is well established that when reinforced—especially by nano-fillers, such as metallic oxides, clays, carbon nanotubes, and other... Read More about Mechanical, Thermal, and Electrical Properties of Graphene-Epoxy Nanocomposites—A Review.

The degradation of mechanical properties in halloysite nanoclay-polyester nanocomposites exposed to diluted methanol (2016)
Journal Article
Saharudin, M., Atif, R., Shyha, I., & Inam, F. (2017). The degradation of mechanical properties in halloysite nanoclay-polyester nanocomposites exposed to diluted methanol. Journal of Composite Materials, 51(11), 1653-1664. https://doi.org/10.1177/0021998316660178

The degradation of mechanical properties in halloysite nanoclay?polyester nanocomposites was studied after an exposure of 24 h in diluted methanol system by clamping test specimens across steel templates. The glass transition temperature (Tg) and sto... Read More about The degradation of mechanical properties in halloysite nanoclay-polyester nanocomposites exposed to diluted methanol.

Weld overlay cladding repair - An investigation of tensile strength variation in processed metallic substrate (2016)
Presentation / Conference Contribution
Chan, L., Shyha, I., Dreyer, D., Hamilton, J., & Hackney, P. (2016, May). Weld overlay cladding repair - An investigation of tensile strength variation in processed metallic substrate. Paper presented at International Conference on Advances in Mechanical Engineering, Istanbul, Turkey

Weld Overlay Cladding (WOC) is a surfacing technique commonly applied on subsea Oil and Gas components to provide additional properties such as wear and corrosion resistance at a more superior level. This process involves a clad metal with certain de... Read More about Weld overlay cladding repair - An investigation of tensile strength variation in processed metallic substrate.

Effect of cutting tools and working conditions on the machinability of TI-6AL-4V using vegetable oil-based cutting fluids (2016)
Presentation / Conference Contribution
Gariani, S., Shyha, I., & Inam, F. (2016, May). Effect of cutting tools and working conditions on the machinability of TI-6AL-4V using vegetable oil-based cutting fluids. Paper presented at International Conference on Advances in Mechanical Engineering, Istanbul, Turkey

The cutting of titanium alloys is usually associated with low productivity, poor surface quality, short tool life and high machining costs. This is due to the excessive generation of heat in the cutting zone and difficulties in heat dissipation due t... Read More about Effect of cutting tools and working conditions on the machinability of TI-6AL-4V using vegetable oil-based cutting fluids.

Electro-discharge machining of metal matrix composite materials (2016)
Journal Article
Shyha, I., & Rudd, M. (2016). Electro-discharge machining of metal matrix composite materials. Advances in Materials and Processing Technologies, 2(2), 235-244. https://doi.org/10.1080/2374068X.2016.1164525

Following a review on the classification and applications of metal matrix composites (MMCs) and the use of unconventional machining processes to cut MMCs, the paper presents experimental results for electro-discharge machining of an aluminium matrix... Read More about Electro-discharge machining of metal matrix composite materials.

The degradation of mechanical properties due to stress concentration caused by retained acetone in epoxy nanocomposites (2016)
Journal Article
Atif, R., Shyha, I., & Inam, F. (2016). The degradation of mechanical properties due to stress concentration caused by retained acetone in epoxy nanocomposites. RSC Advances, 6(41), 34188-34197. https://doi.org/10.1039/C6RA00739B

Multi-layered graphene (MLG)?epoxy nanocomposites of three different types were produced using the solution casting technique with MLG dispersed in three different mediums; acetone (MA), an epoxy (ME), and a hardener (MH). In the case of MLG disperse... Read More about The degradation of mechanical properties due to stress concentration caused by retained acetone in epoxy nanocomposites.

Modeling and experimentation of multi-layered nanostructured graphene-epoxy nanocomposites for enhanced thermal and mechanical properties (2016)
Journal Article
Atif, R., Shyha, I., & Inam, F. (2017). Modeling and experimentation of multi-layered nanostructured graphene-epoxy nanocomposites for enhanced thermal and mechanical properties. Journal of Composite Materials, 51(2), 209-220. https://doi.org/10.1177/0021998316640060

The influence of multi-layered nanostructured graphene as reinforcement on thermal and mechanical properties of epoxy-based nanocomposites has been studied. The maximum improvement in mechanical properties was observed at 0.1 wt\%. The Young?s and fl... Read More about Modeling and experimentation of multi-layered nanostructured graphene-epoxy nanocomposites for enhanced thermal and mechanical properties.

The effect of methanol exposure on the flexural and tensile properties of halloysite nanoclay/polyester (2016)
Journal Article
Saharudin, M. S., Shyha, I., & Inam, F. (2016). The effect of methanol exposure on the flexural and tensile properties of halloysite nanoclay/polyester. International Journal of Advances in Science, Engineering and Technology, 4(1), 42-46

In this study, halloysitenanoclay reinforced polyester composites were prepared by adding different weight percentage in unsaturated polyester resin and subsequently cross linked using mixture of methyl ethyl ketone peroxide. The effect of methanol i... Read More about The effect of methanol exposure on the flexural and tensile properties of halloysite nanoclay/polyester.

Investigation of Cutting Tools and Working Conditions Effects when Cutting Ti-6al-4V using Vegetable Oil-Based Cutting Fluids (2015)
Presentation / Conference Contribution
Shyha, I., Gariani, S., & Bhatti, M. (2015, July). Investigation of Cutting Tools and Working Conditions Effects when Cutting Ti-6al-4V using Vegetable Oil-Based Cutting Fluids. Presented at Manufacturing Engineering Society International Conference, MESIC 2015, Barcelona, Spain

Power consumed in metal cutting is typically converted into heat near the cutting tool edge. Cutting fluids are then provided to a cutting zone in order to improve the tribological characteristics of machining processes and to dissipate the generated... Read More about Investigation of Cutting Tools and Working Conditions Effects when Cutting Ti-6al-4V using Vegetable Oil-Based Cutting Fluids.

Investigation into the Development of an Additive Manufacturing Technique for the Production of Fibre Composite Products (2015)
Presentation / Conference Contribution
Bade, L., Hackney, P., Shyha, I., & Birkett, M. (2015, July). Investigation into the Development of an Additive Manufacturing Technique for the Production of Fibre Composite Products. Presented at The Manufacturing Engineering Society International Conference, MESIC 2015, Barcelona, Spain

The advancements in manufacturing technology over recent years have made Additive Manufacturing, a breakthrough technology in the designing and manufacturing field. This paper discusses the possible applications of Additive Manufacturing (AM) techniq... Read More about Investigation into the Development of an Additive Manufacturing Technique for the Production of Fibre Composite Products.

Machining Unidirectional Composites using Single-Point Tools: Analysis of Cutting Forces, Chip Formation and Surface Integrity (2015)
Presentation / Conference Contribution
Kahwash, F., Shyha, I., & Maheri, A. (2015, July). Machining Unidirectional Composites using Single-Point Tools: Analysis of Cutting Forces, Chip Formation and Surface Integrity. Presented at Manufacturing Engineering Society International Conference, MESIC 2015, Barcelona, Spain

The need for high quality machining of composite materials is rising due to the increased utilisation of these materials across several applications. This paper presents experimental findings of orthogonal cutting of unidirectional glass fibre reinfo... Read More about Machining Unidirectional Composites using Single-Point Tools: Analysis of Cutting Forces, Chip Formation and Surface Integrity.

Effect of Varying Mixing Ratios and Pre-Heat Temperature on the Mechanical Properties of Polyurethane (PU) Foam (2015)
Presentation / Conference Contribution
Oppon, C., Hackney, P., Shyha, I., & Birkett, M. (2015, July). Effect of Varying Mixing Ratios and Pre-Heat Temperature on the Mechanical Properties of Polyurethane (PU) Foam. Presented at Manufacturing Engineering Society International Conference (MESIC 2015), Barcelona, Spain

The continuous growth of the usage of Polyurethane foams requires that designers and manufacturers investigate the appropriate factors that affect their production and full usage in order to exploit their full potential. This research reports the eff... Read More about Effect of Varying Mixing Ratios and Pre-Heat Temperature on the Mechanical Properties of Polyurethane (PU) Foam.

Mould release technologies with regard to concrete surface finish (2015)
Journal Article
Shyha, I., Richardson, A., Coventry, K., & Ponton, H. (2016). Mould release technologies with regard to concrete surface finish. Magazine of Concrete Research, 68(2), 87-98. https://doi.org/10.1680/macr.15.00067

Concrete durability is in part dependent upon the quality of the concrete cover zone. The type of mould release technology used has a direct effect on the surface finish of fair-faced concrete, and this in turn affects long-term durability. This work... Read More about Mould release technologies with regard to concrete surface finish.

Use of morphological features of carbonaceous materials for improved mechanical properties of epoxy nanocomposites (2015)
Journal Article
Atif, R., Wei, J., Shyha, I., & Inam, F. (2016). Use of morphological features of carbonaceous materials for improved mechanical properties of epoxy nanocomposites. RSC Advances, 6(2), 1351-1359. https://doi.org/10.1039/C5RA24039E

The influence of reinforcement morphology on damage tolerance and fracture toughness of epoxy based nanocomposites has been studied. Two different forms of carbonaceous reinforcements were used: multi-layered graphene (MLG) and nanostructured graphit... Read More about Use of morphological features of carbonaceous materials for improved mechanical properties of epoxy nanocomposites.

The degradation of mechanical properties in polymer nano-composites exposed to liquid media - a review (2015)
Journal Article
Saharudin, M., Atif, R., Shyha, I., & Inam, F. (2015). The degradation of mechanical properties in polymer nano-composites exposed to liquid media - a review. RSC Advances, 6(2), 1076-1089. https://doi.org/10.1039/C5RA22620A

The advancement of polymer nano-composites has been motivated by the need for materials with a specific combination of mechanical properties beyond those achieved from only one material. Integration of reinforcement into polymers at nanoscale can pro... Read More about The degradation of mechanical properties in polymer nano-composites exposed to liquid media - a review.