All Outputs (9)

Structural integrity and failure mechanisms of thermoplastic composite pipes for offshore applications: insights from compressive and flexural testing. (2025)
Journal Article
OKOLIE, O., FAISAL, N.H., JAMIESON, H., MUKHERJI, A. and NJUGUNA, J. [2025]. Structural integrity and failure mechanisms of thermoplastic composite pipes for offshore applications: insights from compressive and flexural testing. Engineering failure analysis [online], In Press, article number 109775. Available from: https://doi.org/10.1016/j.engfailanal.2025.109775

This research investigates the structural integrity and mechanical behaviour of a thermoplastic composite pipe (TCP) that is particularly used in the offshore energy industry. The TCP offers enhanced strength and high strength-to-weight ratio ideal f... Read More about Structural integrity and failure mechanisms of thermoplastic composite pipes for offshore applications: insights from compressive and flexural testing..

Thermo-physical behaviour of thermoplastic composite pipe for oil and gas applications. (2025)
Journal Article
OKOLIE, O., FAISAL, N.H., JAMIESON, H., MUKHERJI, A. and NJUGUNA, J. 2025. Thermo-physical behaviour of thermoplastic composite pipe for oil and gas applications. Polymers [online], 17(8), article number 1107. Available from: https://doi.org/10.3390/polym17081107

Thermoplastic composite pipes (TCP) consist of three distinct layers—liner, reinforcement, and coating—offering superior advantages over traditional industrial pipes, including flexibility, lightweight construction, and corrosion resistance. This stu... Read More about Thermo-physical behaviour of thermoplastic composite pipe for oil and gas applications..

Integrated non-destructive testing for assessing manufacturing defects in melt-fusion bonded thermoplastic composite pipes. (2025)
Journal Article
OKOLIE, O., FAISAL, N.H., JAMIESON, H., MUKHERJI, A. and NJUGUNA, J. 2025. Integrated non-destructive testing for assessing manufacturing defects in melt-fusion bonded thermoplastic composite pipes. NDT [online], 3(1), article number 6. Available from: https://doi.org/10.3390/ndt3010006

The thermoplastic composite pipe (TCP) manufacturing process introduces defects that impact their performance, such as voids, misalignment, and delamination. Consequently, there is an increasing demand for effective non-destructive testing (NDT) tech... Read More about Integrated non-destructive testing for assessing manufacturing defects in melt-fusion bonded thermoplastic composite pipes..

Advances in structural analysis and process monitoring of thermoplastic composite pipes. (2023)
Journal Article
OKOLIE, O., LATTO, J., FAISAL, N., JAMIESON, H., MUKHERJI, A. and NJUGUNA, J. 2023. Advances in structural analysis and process monitoring of thermoplastic composite pipes. Heliyon [online], 9(7), e17918. Available from: https://doi.org/10.1016/j.heliyon.2023.e17918

Thermoplastic composite pipes (TCP) in comparison to other pipes have proven beneficial features due to its flexibility which includes being fit for purpose, lightweight and no corrosion. However, during the manufacturing of TCP which involves the co... Read More about Advances in structural analysis and process monitoring of thermoplastic composite pipes..

Bio-based sustainable polymers and materials: from processing to biodegradation. (2023)
Journal Article
OKOLIE, O., KUMAR, A., EDWARDS, C., LAWTON, L.A., OKE, A., MCDONALD, S., THAKUR, V.K. and NJUGUNA, J. 2023. Bio-based sustainable polymers and materials: from processing to biodegradation. Journal of composites science [online], 7(6), article 213. Available from: https://doi.org/10.3390/jcs7060213

In the life cycle of a material, there will be either chemical or physical change due to varying environmental factors such as biological activity, light, heat, moisture, and chemical conditions. This process leads to polymer property change as perta... Read More about Bio-based sustainable polymers and materials: from processing to biodegradation..

An evaluation of the morphological, microstructural and mechanical behaviour of the glass fibre/HDPE thermoplastic composite pipe. (2022)
Presentation / Conference Contribution
OKOLIE, O., NJUGUNA, J. and FAISAL, N. 2022. An evaluation of the morphological, microstructural and mechanical behaviour of the glass fibre/HDPE thermoplastic composite pipe. Presented at 2022 Scottish Research Partnership in Engineering 2022, 21 November 2022, Edinburgh, UK.

Composite pipes are increasingly being used as an alternative solution to conventional metal-based pipes. This development is in response to significant corrosion failures with the metallic pipes and enables better decision making especially for the... Read More about An evaluation of the morphological, microstructural and mechanical behaviour of the glass fibre/HDPE thermoplastic composite pipe..

Manufacturing defects in thermoplastic composite pipes and their effect on the in-situ performance of thermoplastic composite pipes in oil and gas applications. (2022)
Journal Article
OKOLIE, O., LATTO, J., FAISAL, N., JAMIESON, H., MUKHERJI, A. and NJUGUNA, J. 2023. Manufacturing defects in thermoplastic composite pipes and their effect on the in-situ performance of thermoplastic composite pipes in oil and gas applications. Applied composite materials [online], 30(1), pages 231-306. Available from: https://doi.org/10.1007/s10443-022-10066-9

Thermoplastic composite pipes (TCP), which are a form of fibre reinforced thermoplastic pipes, have proven benefits such as being lightweight and non-corrosive. However, during manufacturing, certain defects are induced because of certain parameters,... Read More about Manufacturing defects in thermoplastic composite pipes and their effect on the in-situ performance of thermoplastic composite pipes in oil and gas applications..

Material challenges and opportunities in 3D printing for hip implant applications. (2022)
Journal Article
OKOLIE, O., STACHUREK, I., KANDASUBRAMANIAN, B. and NJUGUNA, J. 2022. Material challenges and opportunities in 3D printing for hip implant applications. Recent progress in materials [online], 4(1): 3D printing of engineering materials, article 2201004. Available from: https://doi.org/10.21926/rpm.2201004

There is a current need for tissue and organ repairs, replacement and regeneration for the patients who suffer from diseased/damaged tissues or organs. This situation is continuously on the rise and the supply on this form of therapy does not meet th... Read More about Material challenges and opportunities in 3D printing for hip implant applications..

3D printing for hip implant applications: a review. (2020)
Journal Article
OKOLIE, O., STACHUREK, I., KANDASUBRAMANIAN, B. and NJUGUNA, J. 2020. 3D printing for hip implant applications: a review. Polymers [online], 12(11), articles ID 2682. Available from: https://doi.org/10.3390/polym12112682

There is a rising demand for replacement, regeneration of tissues and organ repairs for patients who suffer from diseased/damaged bones or tissues such as hip pains. The hip replacement treatment relies on the implant, which may not always meet the r... Read More about 3D printing for hip implant applications: a review..