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Effect of laminate configuration and feed rate on cutting performance when drilling holes in carbon fibre reinforced plastic composites (2010)
Journal Article
Shyha, I., Soo, S. L., Aspinwall, D., & Bradley, S. (2010). Effect of laminate configuration and feed rate on cutting performance when drilling holes in carbon fibre reinforced plastic composites. Journal of Materials Processing Technology, 210(8), 1023-1034. https://doi.org/10.1016/j.jmatprotec.2010.02.011

Composites use in the aerospace industry is expanding, in particular carbon fibre reinforced plastics (CFRP) for structural components. Machinability can however be problematic especially when drilling, due to CFRP's inherent anisotropy/in-homogeneit... Read More about Effect of laminate configuration and feed rate on cutting performance when drilling holes in carbon fibre reinforced plastic composites.

Drill geometry and operating effects when cutting small diameter holes in CFRP (2009)
Journal Article
Shyha, I., Aspinwall, D., Soo, S., & Bradley, S. (2009). Drill geometry and operating effects when cutting small diameter holes in CFRP. International Journal of Machine Tools and Manufacture, 49(12-13), 1008-1014. https://doi.org/10.1016/j.ijmachtools.2009.05.009

The paper details experimental results when drilling small holes (1.5 mm diameter cemented carbide drills with varying end point and helix geometry) in thin quasi-isotropic, unbacked carbon fibre reinforced plastic (CFRP) laminate (typical cutting ti... Read More about Drill geometry and operating effects when cutting small diameter holes in CFRP.

Weld overlay cladding repair - An investigation of tensile strength variation in processed metallic substrate
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.

Burr Formation in Drilling of Miniature Holes in Brass
Presentation / Conference Contribution
Shyha, I. (2004, December). Burr Formation in Drilling of Miniature Holes in Brass. Presented at The 8th International Conference on Production Engineering, Design, and Control (PEDAC 2004), Alexandria, Egypt

Advances in Additive Manufacturing Processes
Presentation / Conference Contribution
Oppon, C., Hackney, P., Shyha, I., & Beeby, J. (2014, August). Advances in Additive Manufacturing Processes. Presented at 3rd Applied Research Conference in Africa, Accra, Ghana

Additive Manufacturing (AM) which is also referred as Three Dimensional Printing (3DP), Solid Freeform Fabrication (SFF) or Rapid Prototyping (RP) is a layer-by-layer technique of producing a three-dimensional (3D) objects directly from a digital mod... Read More about Advances in Additive Manufacturing Processes.

Viscoelastic and Mechanical Properties of Multi-layered Graphene Polyester Composites
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.

Investigation into the Development of an Additive Manufacturing Technique for the Production of Fibre Composite Products
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.

Effect of cutting tools and working conditions on the machinability of TI-6AL-4V using vegetable oil-based cutting fluids
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.

An Investigation into CO2 Laser Trimming of CFRP and GFRP Composites
Presentation / Conference Contribution
Shyha, I. (2013, June). An Investigation into CO2 Laser Trimming of CFRP and GFRP Composites. Presented at The Manufacturing Engineering Society International Conference, MESIC 2013, Zaragoza, Spain

The paper outlines results for an investigation of CO2 laser trimming of fibre reinforced plastic (FRP) composites. Process variables include cutting speed, laser beam power, gas pressure and workpiece material. These have been evaluated against key... Read More about An Investigation into CO2 Laser Trimming of CFRP and GFRP Composites.

Investigation of Cutting Tools and Working Conditions Effects when Cutting Ti-6al-4V using Vegetable Oil-Based Cutting Fluids
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.

Effect of Varying Mixing Ratios and Pre-Heat Temperature on the Mechanical Properties of Polyurethane (PU) Foam
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.

Modelling of cutting fibrous composite materials: current practice
Presentation / Conference Contribution
Kahwash, F., Shyha, I., & Maheri, A. (2014, June). Modelling of cutting fibrous composite materials: current practice. Presented at 3rd CIRP Global Web Conference, Naples, Italy

Using fibre reinforced polymers (FRP) is increasing across many industries. Although FRP are laid-up in the near-net shape, several cutting operations are necessary to meet quality and dimensional requirements. Modelling of cutting is essential to un... Read More about Modelling of cutting fibrous composite materials: current practice.

Machining Unidirectional Composites using Single-Point Tools: Analysis of Cutting Forces, Chip Formation and Surface Integrity
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.