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Parametric sensitivity analysis to maximise auxetic effect of polymeric fibre based helical yarn. (2016)
Journal Article
MCAFEE, J. and FAISAL, N.H. 2017. Parametric sensitivity analysis to maximise auxetic effect of polymeric fibre based helical yarn. Composite structures [online], 162, pages 1-12. Available from: https://doi.org/10.1016/j.compstruct.2016.11.077

Studies on designing polymeric fibres based helical auxetic yarn (HAY) to maximise their auxetic effect are yet to propose optimised design configurations for general impact mitigation applications. This study therefore presents optimal design parame... Read More about Parametric sensitivity analysis to maximise auxetic effect of polymeric fibre based helical yarn..

Acoustic emission testing of composite-to-metal and metal-to-metal adhesive bond strengths. (2016)
Conference Proceeding
DROUBI, M.G., FAISAL, N.H., STUART, A., MOWAT, J., NOBEL, C. and EL-SHAIB, M.N. 2016. Acoustic emission testing of composite-to-metal and metal-to-metal adhesive bond strengths. In Proceedings of the 32nd European conference on acoustic emission testing (EWGAE 2016), 7-9 September 2016, Prague, Czech Republic. Bad Breisig: NDT.net [online], pages 95-104. Available from: http://www.ndt.net/article/ewgae2016/papers/95_paper.pdf

Composite sandwich structures consisting of two layers with an adhesive contacting interface are of importance in a number of industrial applications such as aerospace, marine and automotive. This research therefore aims to characterise the failure b... Read More about Acoustic emission testing of composite-to-metal and metal-to-metal adhesive bond strengths..

Stress analysis at the interface of metal-to-metal adhesively bonded joints subjected to 4-point bending: finite element method. (2016)
Journal Article
PRATHURU, A.K., FAISAL, N.H., JIHAN, S., STEEL, J.A. and NJUGUNA, J. 2017. Stress analysis at the interface of metal-to-metal adhesively bonded joints subjected to 4-point bending: finite element method. Journal of adhesion [online], 93(11), pages 855-878. Available from: https://doi.org/10.1080/00218464.2016.1172309

This paper presents a study of stress states in two-dimensional models of metal-to-metal adhesively bonded joints subjected to 4-point flexural loading using the finite element (FE) method. The FE simulations were carried out on adhesive bonded joint... Read More about Stress analysis at the interface of metal-to-metal adhesively bonded joints subjected to 4-point bending: finite element method..

Development of plasma-sprayed molybdenum carbide-based anode layers with various metal oxides for SOFC. (2015)
Journal Article
FAISAL, N.H., AHMED, R., KATIKANENI, S.P., SOUENTIE, S. and GOOSEN, M.F.A. 2015. Development of plasma-sprayed molybdenum carbide-based anode layers with various metal oxides for SOFC. Journal of thermal spray technology [online], 24(8), pages 1415-1428. Available from: https://doi.org/10.1007/s11666-015-0315-2

Air plasma-sprayed (APS) coatings provide an ability to deposit a range of novel fuel cell materials at competitive costs. This work develops three separate types of composite anodes (Mo-Mo2C/Al2O3, Mo-Mo2C/ZrO2, Mo-Mo2C/TiO2) using a combination of... Read More about Development of plasma-sprayed molybdenum carbide-based anode layers with various metal oxides for SOFC..

Microstructural evaluation of suspension thermally sprayed WC-Co nanocomposite coatings. (2015)
Conference Proceeding
AHMED, R., FAISAL, N.H., ALI, O., AL-ANAZI, N.M., AL-MUTAIRI, S., MAMOUR, S., POLYCHRONIADIS, E.K. and GOOSEN, M.F.A. 2015. Microstructural evaluation of suspension thermally sprayed WC-Co nanocomposite coatings. In Polychroniadis, E.K., Oral, A.Y. and Ozer, M. (eds.) Proceedings of the 2nd International multidisciplinary microscopy and microanalysis congress 2014 (InterM), 16-19 October 2014, Oludeniz, Turkey. Springer proceedings in physics, 164. Cham: Springer [online], pages 31-38. Available from: https://doi.org/10.1007/978-3-319-16919-4_5

Microstructural and sliding wear evaluations of nanostructured coatings deposited by Suspension High Velocity Oxy-Fuel (S-HVOF) spraying were conducted in as-sprayed and HIPed (Hot Isostatically Pressed) conditions. S-HVOF coatings were nanostructure... Read More about Microstructural evaluation of suspension thermally sprayed WC-Co nanocomposite coatings..

Neutron diffraction residual strain measurements of plasma sprayed solid oxide fuel cells. [Dataset] (2015)
Dataset
FAISAL, N., PRATHURU, A., AHMED, R. and ZHANG, S.Y. 2015. Neutron diffraction residual strain measurements of plasma sprayed solid oxide fuel cells. [Dataset]. Hosted on STFC ISIS neutron and muon source data journal [online]. Available from: https://doi.org/10.5286/ISIS.E.58451518

Manufacturing of Solid Oxide Fuel Cells (SOFC) using thermal spray technology is one of the most economical and technologically advanced approaches for energy applications. High cooling rates during thermal spray deposition process however impart res... Read More about Neutron diffraction residual strain measurements of plasma sprayed solid oxide fuel cells. [Dataset].

Twinning anisotropy of tantalum during nanoindentation. (2014)
Journal Article
GOEL, S., BEAKE, B., CHAN, C.-W., FAISAL, N.H. and DUNNE, N. 2015. Twinning anisotropy of tantalum during nanoindentation. Materials science and engineering: A [online], 627, pages 249-261. Available from: https://doi.org/10.1016/j.msea.2014.12.075

Unlike other BCC metals, the plastic deformation of nanocrystalline Tantalum (Ta) during compression is regulated by deformation twinning. Whether or not this twinning exhibits anisotropy was investigated through simulation of displacement-controlled... Read More about Twinning anisotropy of tantalum during nanoindentation..

Sliding wear investigation of suspension sprayed WC-Co nanocomposite coatings. (2014)
Journal Article
AHMED, R., ALI, O., FAISAL, N.H., AL-ANAZI, N.M., AL-MUTAIRI, S., TOMA, F.-L., BERGER, L.-M., POTTHOFF, A. and GOOSEN, M.F.A. 2015. Sliding wear investigation of suspension sprayed WC-Co nanocomposite coatings. Wear [online], 322-323, pages 133-150. Available from: https://doi.org/10.1016/j.wear.2014.10.021

Sliding wear evaluation of nanostructured coatings deposited by Suspension High Velocity Oxy-Fuel (S-HVOF) and conventional HVOF (Jet Kote (HVOF-JK) and JP5000 (HVOF-JP)) spraying were evaluated. S-HVOF coatings were nanostructured and deposited via... Read More about Sliding wear investigation of suspension sprayed WC-Co nanocomposite coatings..

Structure property relationship of suspension thermally sprayed WC-Co nanocomposite coatings. (2014)
Journal Article
AHMED, R., FAISAL, N.H., AL-ANAZI, N.M., AL-MUTAIRI, S., TOMA, F.-L., BERGER, L.-M., POTTHOFF, A., POLYCHRONIADIS, E.K., SALL, M., CHALIAMPALIAS, D. and GOOSEN, M.F.A. 2015. Structure property relationship of suspension thermally sprayed WC-Co nanocomposite coatings. Journal of thermal spray technology [online], 24(3), pages 357-377. Available from: https://doi.org/10.1007/s11666-014-0174-2

Tribomechanical properties of nanostructured coatings deposited by suspension high velocity oxy-fuel (S-HVOF) and conventional HVOF (Jet Kote) spraying were evaluated. Nanostructured S-HVOF coatings were obtained via ball milling of the agglomerated... Read More about Structure property relationship of suspension thermally sprayed WC-Co nanocomposite coatings..

An improved Vickers indentation fracture toughness model to assess the quality of thermally sprayed coatings. (2014)
Journal Article
FAISAL, N.H., AHMED, R., PRATHURU, A.K., SPENCE, S., HOSSAIN, M. and STEEL, J.A. 2014. An improved Vickers indentation fracture toughness model to assess the quality of thermally sprayed coatings. Engineering fracture mechanics [online], 128, pages 189-204. Available from: https://doi.org/10.1016/j.engfracmech.2014.07.015

This study presents an improved approach to the quality assessment of thermally sprayed coatings. Measurements were carried out on five different coatings. Since it is the overall extent of surface cracking during Vickers indentation that is indicati... Read More about An improved Vickers indentation fracture toughness model to assess the quality of thermally sprayed coatings..

Structure-property relationships in a CoCrMo alloy at micro and nano-scales. (2014)
Journal Article
AHMED, R., DE VILLIERS LOVELOCK, H.L., FAISAL, N.H. and DAVIES, S. 2014. Structure-property relationships in a CoCrMo alloy at micro and nano-scales. Tribology international [online], 80, pages 98-114. Available from: https://doi.org/10.1016/j.triboint.2014.06.015

This investigation considered the multiscale tribo-mechanical evaluations of CoCrMo (Stellite®21) alloys manufactured via two different processing routes of casting and HIP-consolidation from powder (Hot Isostatic Pressing). These involved hardness,... Read More about Structure-property relationships in a CoCrMo alloy at micro and nano-scales..

Nanoindentation of polysilicon and single crystal silicon: molecular dynamics simulation and experimental validation. (2014)
Journal Article
GOEL, S., FAISAL, N.H., LUO, X., YAN, J. and AGRAWAL, A. 2014. Nanoindentation of polysilicon and single crystal silicon: molecular dynamics simulation and experimental validation. Journal of physics D: applied physics [online], 47(27), article number 275304. Available from: https://doi.org/10.1088/0022-3727/47/27/275304

This paper presents novel advances in the deformation behaviour of polycrystalline and single crystal silicon using molecular dynamics (MD) simulation and validation of the same via nanoindentation experiments. In order to unravel the mechanism of de... Read More about Nanoindentation of polysilicon and single crystal silicon: molecular dynamics simulation and experimental validation..

Can a carbon nano-coating resist metallic phase transformation in silicon substrate during nanoimpact? (2014)
Journal Article
GOEL, S., AGRAWAL, A. and FAISAL, N.H. 2014. Can a carbon nano-coating resist metallic phase transformation in silicon substrate during nanoimpact? Wear [online], 315(1-2), pages 38-41. Available from: https://doi.org/10.1016/j.wear.2014.03.009

Nanomechanical response of a silicon specimen coated with a sp3 crystalline carbon coating (1.8nm thickness) was investigated using MD simulation. A sharp conical rigid tip was impacted at the speed of 50m/s up to a depth of ~80% of the coating thick... Read More about Can a carbon nano-coating resist metallic phase transformation in silicon substrate during nanoimpact?.

Single asperity nanoscratch behaviour of HIPed and cast Stellite 6 alloys. (2014)
Journal Article
AHMED, R., ASHRAF, A., ELAMEEN, M., FAISAL, N.H., EL-SHERIK, A.M., ELAKWAH, Y.O. and GOOSEN, M.F.A. 2014. Single asperity nanoscratch behaviour of HIPed and cast Stellite 6 alloys. Wear [online], 312(1-2), pages 70-82. Available from: https://doi.org/10.1016/j.wear.2014.02.006

The aim of this study was to investigate the nanoscale sliding wear behaviour of re-HIPed (Hot Isostatically Pressed) and cast cobalt-based Stellite 6 alloys. A nanoindentation system equipped with a wear testing module was used to simulate single as... Read More about Single asperity nanoscratch behaviour of HIPed and cast Stellite 6 alloys..

Influence of test methodology and probe geometry on nanoscale fatigue failure of diamond-like carbon film. (2014)
Journal Article
FAISAL, N.H., AHMED, R., GOEL, S. and FU, Y.Q. 2014. Influence of test methodology and probe geometry on nanoscale fatigue failure of diamond-like carbon film. Surface and coatings technology [online], 242, pages 42-53. Available from: https://doi.org/10.1016/j.surfcoat.2014.01.015

The aim of this paper is to investigate the mechanism of nanoscale fatigue using nano-impact and multiple-loading cycle nanoindentation tests, and compare it to previously reported findings of nanoscale fatigue using integrated stiffness and depth se... Read More about Influence of test methodology and probe geometry on nanoscale fatigue failure of diamond-like carbon film..

Atomistic investigation on the structure-property relationship during thermal spray nanoparticle impact. (2013)
Journal Article
GOEL, S., FAISAL, N.H., RATIA, V., AGRAWAL, A. and STUKOWSKI, A. 2014. Atomistic investigation on the structure-property relationship during thermal spray nanoparticle impact. Computational materials science [online], 84, pages 163-174. Available from: https://doi.org/10.1016/j.commatsci.2013.12.011

During thermal spraying, hot particles impact on a colder substrate. This interaction of crystalline copper nanoparticles and copper substrate is modeled, using MD simulation. The quantitative results of the impacts at different velocities and temper... Read More about Atomistic investigation on the structure-property relationship during thermal spray nanoparticle impact..