Outputs (85)

Effect of nanofillers on low energy impact performance of sandwich structures with nanoreinforced polyurethane foam cores. (2014)
Journal Article
SACHSE, S., PORURI, M., SILVA, F., MICHALOWSKI, S., PIELICHOWSKI, K. and NJUGUNA, J. 2014. Effect of nanofillers on low energy impact performance of sandwich structures with nanoreinforced polyurethane foam cores. Journal of sandwich structures and materials [online], 16(2), pages 173-194. Available from: https://doi.org/10.1177/1099636213512497

Sandwich panels were fabricated with nanoclay-filled polyurethane foams and glass fiber-reinforced polyamide and polypropylenes face sheets. Nanoclay-filled foam cores, with organophilic montmorillonite loadings of 0-10 wt%, were synthesized through... Read More about Effect of nanofillers on low energy impact performance of sandwich structures with nanoreinforced polyurethane foam cores..

Assessment of temporal dose-toxicity relationship of fumed silica nanoparticle in human lung A549 cells by conventional cytotoxicity and 1H-NMR-based extracellular metabonomic assays. (2014)
Journal Article
IRFAN, A., CAUCHI, M., EDMANDS, W., GOODERHAM, N. J., NJUGUNA, J. and ZHU, H. 2014. Assessment of temporal dose-toxicity relationship of fumed silica nanoparticle in human lung A549 cells by conventional cytotoxicity and 1H-NMR-based extracellular metabonomic assays. Toxicological sciences [online], 138 (2), pages 354-364. Available from: https://doi.org/10.1093/toxsci/kfu009

As nanoparticles could form aggregates in biological systems, the dynamics of their dispersity drives the temporal effect of nanoparticles in vitro. To test this hypothesis, the fumed silica nanoparticles (SiNPs) that have primary sizes of 7-14 nm an... Read More about Assessment of temporal dose-toxicity relationship of fumed silica nanoparticle in human lung A549 cells by conventional cytotoxicity and 1H-NMR-based extracellular metabonomic assays..

Recent development of flax fibres and their reinforced composites based on different polymeric matrices. (2013)
Journal Article
ZHU, J., ZHU, H., NJUGUNA, J. and ABHYANKAR, H., 2013. Recent development of flax fibres and their reinforced composites based on different polymeric matrices. Materials [online], 6(11), pages 5171-5198. Available from: https://doi.org/10.3390/ma6115171

This work describes flax fibre reinforced polymeric composites with recent developments. The properties of flax fibres, as well as advanced fibre treatments such as mercerization, silane treatment, acylation, peroxide treatment and coatings for the e... Read More about Recent development of flax fibres and their reinforced composites based on different polymeric matrices..

Effect of fibre configurations on mechanical properties of flax/tannin composites. (2013)
Journal Article
ZHU, J., NJUGUNA, J., ABHYANKAR, H., ZHU, H., PERREUX, D., THIEBAUD, F., CHAPELLE, D., PIZZI, A., SAUGET, A., DE LARMINAT, A. and NICOLLIN, A. 2013. Effect of fibre configurations on mechanical properties of flax/tannin composites. Industrial crops and products [online], 50, pages 68-76. Available from: https://doi.org/10.1016/j.indcrop.2013.06.033

Flax reinforced tannin-based composites have a potential to be used in vehicle applications due to the environmental advantages and good mechanical properties. In this paper, the effects of fibre configuration on mechanical properties of flax/tannin... Read More about Effect of fibre configurations on mechanical properties of flax/tannin composites..

An experimental investigation into localised low-velocity impact loading on glass fibre-reinforced polyamide automotive product. (2013)
Journal Article
MOUTI, Z., WESTWOOD, K., LONG, D. and NJUGUNA, J. 2013. An experimental investigation into localised low-velocity impact loading on glass fibre-reinforced polyamide automotive product. Composite structures [online], 104, pages 43-53. Available from: https://doi.org/10.1016/j.compstruct.2013.03.014

In the automotive industry, more and more engineered parts are shifting from metals to engineering plastics. However localised impact loading and long term ageing effects of under-the-hood plastic components is not well understood. In this paper, loc... Read More about An experimental investigation into localised low-velocity impact loading on glass fibre-reinforced polyamide automotive product..

Energy absorption characteristics of nano-composite conical structures. (2012)
Journal Article
SILVA, F., SACHSE, S. and NJUGUNA, J. 2012. Energy absorption characteristics of nano-composite conical structures. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012010. Available from: https://doi.org/10.1088/1757-899X/40/1/012010

The effect of the filler material on the energy absorption capabilities of polyamide 6 composite structures is studied in details in the present paper. The axial dynamic and quasi-static collapse of conical structures was conducted using a high energ... Read More about Energy absorption characteristics of nano-composite conical structures..

Physical characteristics of nanoparticles emitted during drilling of silica based polyamide 6 nanocomposites. (2012)
Journal Article
SACHSE, S., SILVA, F., IRFAN, A., ZHU, H., PIELICHOWSKI, K., LESZCZYNSKA, A., BLAZQUEZ, M., KAZMINA, O., KUZMENKO, O. and NJUGUNA, J. 2012. Physical characteristics of nanoparticles emitted during drilling of silica based polyamide 6 nanocomposites. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012012. Available from: https://doi.org/10.1088/1757-899X/40/1/012012

During the past decade, polymer nanocomposites have emerged as a novel and rapidly developing class of materials and attracted considerable investment in research and development worldwide. However, there is currently a lack of information available... Read More about Physical characteristics of nanoparticles emitted during drilling of silica based polyamide 6 nanocomposites..

Assessment of nanoparticle release and associated health effect of polymer-silicon composites. (2012)
Journal Article
ZHU, H., IRFAN, A., SACHSE, S. and NJUGUNA, J. 2012. Assessment of nanoparticle release and associated health effect of polymer-silicon composites. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012015. Available from: https://doi.org/10.1088/1757-899X/40/1/012015

Little information is currently available on possible release of nanomaterials or/and nanoparticles (NP) from conventional and novel products and associated health effect. This study aimed to assess the possible release of NP during the application s... Read More about Assessment of nanoparticle release and associated health effect of polymer-silicon composites..

Enhancement of thermal conductivity of materials using different forms of natural graphite. (2012)
Journal Article
DESAI, S. and NJUGUNA, J. 2012. Enhancement of thermal conductivity of materials using different forms of natural graphite. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012017. Available from: https://doi.org/10.1088/1757-899X/40/1/012017

The quest for improvement of thermal conductivity in every area including aerospace structures is gaining momentum as the modern day technology is embedded with electronics which generate considerable amounts of heat energy. In some other application... Read More about Enhancement of thermal conductivity of materials using different forms of natural graphite..

Tannin-based flax fibre reinforced composites for structural applications in vehicles. (2012)
Journal Article
ZHU, J., ABHYANKAR, H., NASSIOPOULOS, E. and NJUGUNA, J. 2012. Tannin-based flax fibre reinforced composites for structural applications in vehicles. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012030. Available from: https://doi.org/10.1088/1757-899X/40/1/012030

Innovation is often driven by changes in government policies regulating the industries, especially true in case of the automotive. Except weight savings, the strict EU regulation of 95% recyclable material-made vehicles drives the manufactures and sc... Read More about Tannin-based flax fibre reinforced composites for structural applications in vehicles..