Structure-property relationships in a CoCrMo alloy at micro and nano-scales.

Ahmed, R.; de Villiers Lovelock, H.L.; Faisal, N.H.; Davies, S.

doi:10.1016/j.triboint.2014.06.015

Residual strain measurement in suspension based thermal sprayed nanostructured alumina coatings: part one. [Dataset] (2017)
Data
HUSSAIN, T., LEE, T.L., MARTIN, D.T., DERELIZADE, K., FAISAL, N., OWOSENI, T., KELLEHER, J., MURRAY, J. and BAI, M. 2017. Residual strain measurement in suspension based thermal sprayed nanostructured alumina coatings: part one. [Dataset]. Hosted on STFC ISIS neutron and muon source [online]. Available from: https://doi.org/10.5286/ISIS.E.86391325

Suspension and solution precursor (SSP) spraying is an emerging thermal spraying technology which utilises liquid feedstock containing sub-micrometre and nanoparticles. Alumina (Al2O3) is a widely used engineering ceramic and it has excellent dielect... Read More about Residual strain measurement in suspension based thermal sprayed nanostructured alumina coatings: part one. [Dataset].

Characterization of hydroxyapatite layer on AISI 316L stainless steel. (2017)
Presentation / Conference Contribution
HLINKA, J., LASEK, S., SIOSTRZONEK, R. and FAISAL, N. 2017. Characterization of hydroxyapatite layer on AISI 316L stainless steel. In Proceedings of the 26th International conference on metallurgy and materials (METAL 2017), 24-26 May 2017, Brno, Czech Republic. Ostrava: Tanger, pages 1292-1297.

Bioactive coatings can be divided into two main groups - organic and inorganic coatings. Hydroxyapatite (HA) is well known as one of inorganic part of mammal's bone structure and is highly recommended for use in implantology. This paper is mainly foc... Read More about Characterization of hydroxyapatite layer on AISI 316L stainless steel..

Tensile and flexural properties of hybrid graphene oxide/epoxy carbon fibre reinforced composites. (2017)
Presentation / Conference Contribution
WATSON, G., STAROST, K., BARI, P., FAISAL, N., MISHRA, S. and NJUGUNA, J. 2016. Tensile and flexural properties of hybrid graphene oxide/epoxy carbon fibre reinforced composites. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012009. Available from: https://doi.org/10.1088/1757-899X/195/1/012009

In this study, nano-sized graphene oxide sheets were homogenously dispersed via sonication methods in epoxy followed by vacuum resin infusion for the fabrication of the epoxy, graphene oxide (GO) and micro-sized carbon fibre reinforced nanocomposites... Read More about Tensile and flexural properties of hybrid graphene oxide/epoxy carbon fibre reinforced composites..

Environmental particle emissions due to automated drilling of polypropylene composites and nanocomposites reinforced with talc, montmorillonite and wollastonite. (2017)
Presentation / Conference Contribution
STAROST, K., FRIJNS, E., LAER, J.V., FAISAL, N., EGIZABAL, A., ELIZEXTEA, C., NELISSEN, I., BLAZQUEZ, M. and NJUGUNA, J. 2016. Environmental particle emissions due to automated drilling of polypropylene composites and nanocomposites reinforced with talc, montmorillonite and wollastonite. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012011. Available from: https://doi.org/10.1088/1757-899X/195/1/012011

In this study, the effect on nanoparticle emissions due to drilling on Polypropylene (PP) reinforced with 20% talc, 5% montmorillonite (MMT) and 5% Wollastonite (WO) is investigated. The study is the first to explore the nanoparticle release from WO... Read More about Environmental particle emissions due to automated drilling of polypropylene composites and nanocomposites reinforced with talc, montmorillonite and wollastonite..

Acoustic emission method for defect detection and identification in carbon steel welded joints. (2017)
Journal Article
DROUBI, M.G., FAISAL, N.H., ORR, F., STEEL, J.A. and EL-SHAIB, M. 2017. Acoustic emission method for defect detection and identification in carbon steel welded joints. Journal of constructional steel research [online], 134, pages 28-37. Available from: https://doi.org/10.1016/j.jcsr.2017.03.012

Detecting welding defects in industrial equipment (welded joints and built-up structures) is a key aspect in evaluating the probability of failure in different situations. Acoustic emission (AE) is an effective non-destructive detecting technique, an... Read More about Acoustic emission method for defect detection and identification in carbon steel welded joints..

Cyclic nanoindentation and nano-impact fatigue mechanisms of functionally graded TiN/TiNi film. (2017)
Journal Article
FAISAL, N.H., PRATHURU, A.K., GOEL, S., AHMED, R., DROUBI, M.G., BEAKE, B.D. and FU, Y.Q. 2017. Cyclic nanoindentation and nano-impact fatigue mechanisms of functionally graded TiN/TiNi film. Shape memory and superelasticity [online], 3(2), pages 149-167. Available from: https://doi.org/10.1007/s40830-017-0099-y

The mechanisms of nanoscale fatigue of functionally graded TiN/TiNi films have been studied using multiple-loading cycle nanoindentation and nano-impact tests. The functionally graded films were sputter-deposited onto silicon substrates, in which the... Read More about Cyclic nanoindentation and nano-impact fatigue mechanisms of functionally graded TiN/TiNi film..

Acoustic emission method to study fracture (Mode-I, II) and residual strength characteristics in composite-to-metal and metal-to-metal adhesively bonded joints. (2017)
Journal Article
DROUBI, M.G., STUART, A., MOWAT, J., NOBLE, C., PRATHURU, A.K. and FAISAL, N.H. 2017. Acoustic emission method to study fracture (Mode-I, II) and residual strength characteristics in composite-to-metal and metal-to-metal adhesively bonded joints. Journal of adhesion [online], 94(5), pages 347-386. Available from: https://doi.org/10.1080/00218464.2017.1278696

Failure behaviour of two types of adhesively bonded joints (composite-to-metal, metal-to-metal) has been studied under failure modes (Mode I: double cantilever beam (DCB) and Mode II: three-point end notch flexures (3-ENF)) using acoustic emission (A... Read More about Acoustic emission method to study fracture (Mode-I, II) and residual strength characteristics in composite-to-metal and metal-to-metal adhesively bonded joints..

Influence of post-treatment on the microstructural and tribomechanical properties of suspension thermally sprayed WC-12 wt%Co nanocomposite coatings. (2017)
Journal Article
ALI, O., AHMED, R., FAISAL, N.H., ALANAZI, N.M., BERGER, L.-M., KAISER, A., TOMA, F.-L., POLYCHRONIADIS, E.K., SALL, M., ELAKWAH, Y.O. and GOOSEN, M.F.A. 2017. Influence of post-treatment on the microstructural and tribomechanical properties of suspension thermally sprayed WC-12 wt%Co nanocomposite coatings. Tribology letters [online], 65(2), article 33. Available from: https://doi.org/10.1007/s11249-017-0815-y

The potential to improve the tribomechanical performance of HVOF-sprayed WC-12Co coatings was studied by using aqueous WC-12Co suspensions as feed-stock. Both as-sprayed and hot-isostatic-pressed (HIPed) coatings were studied. Mathematical models of... Read More about Influence of post-treatment on the microstructural and tribomechanical properties of suspension thermally sprayed WC-12 wt%Co nanocomposite coatings..

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)
Presentation / Conference Contribution
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..

Pharmaceutical electrochemistry: the electrochemical oxidation of paracetamol and its voltammetric sensing in biological samples based on screen printed graphene electrodes. (2015)
Journal Article
FERNANDEZ, C., HEGER, Z., KIZEK, R., RAMAKRISHNAPPA, T., BORUN, A. and FAISAL, N.H. 2015. Pharmaceutical electrochemistry: the electrochemical oxidation of paracetamol and its voltammetric sensing in biological samples based on screen printed graphene electrodes. International journal of electrochemical science [online], 10(9), pages 7440-7452. Available from: https://doi.org/10.1016/S1452-3981(23)17361-5

We present a sensitive, fast and unmodified sensor for the electrochemical detection of paracetamol. The electrochemical behaviours of paracetamol on screen printed graphene electrodes were investigated for the first time by cyclic voltammetry. The r... Read More about Pharmaceutical electrochemistry: the electrochemical oxidation of paracetamol and its voltammetric sensing in biological samples based on screen printed graphene electrodes..

Microstructural evaluation of suspension thermally sprayed WC-Co nanocomposite coatings. (2015)
Presentation / Conference Contribution
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)
Data
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..

All Outputs (126)