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Professor James Njuguna


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), 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), 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), 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), 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), 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..

Potential of silicon nanowires structures as nanoscale piezoresistors in mechanical sensors. (2012)
Journal Article
MESSINA, M. and NJUGUNA, J. 2012. Potential of silicon nanowires structures as nanoscale piezoresistors in mechanical sensors. IOP conference series: materials science and engineering [online], 40(1), Article 012038. Available from: https://doi.org/10.1088/1757-899X/40/1/012038

This paper presents the design of a single square millimeter 3-axial accelerometer for bio-mechanics measurements that exploit the potential of silicon nanowires structures as nanoscale piezoresistors. The main requirements of this application are mi... Read More about Potential of silicon nanowires structures as nanoscale piezoresistors in mechanical sensors..

Mechanical performance of foam glass with nanoscale structure elements. (2012)
Journal Article
KAZMINA, O.V., SEMUKHIN, B.S. and NJUGUNA, J. 2012. Mechanical performance of foam glass with nanoscale structure elements. IOP conference series: materials science and engineering, 40(1), Article 012042. Available from: https://doi.org/10.1088/1757-899X/40/1/012042

The paper presents experimental data on studying the strengthening of glass foam material. Glass foam material is foamed glass of increased strength achieved due to nanoscale structural elements. Glass foam is obtained through thermal treatment of no... Read More about Mechanical performance of foam glass with nanoscale structure elements..

Abstract book for the proceedings of the 1st International conference on structural nano composites (NANOSTRUC 2012), 02-04 July 2012, Cranfield, UK. (2012)
Conference Proceeding
SACHSE, S. and NJUGUNA, J. (eds.) 2012. Abstract book for the proceedings of the 1st International conference on structural nano composites (NANOSTRUC 2012), 02-04 July 2012, Cranfield, UK.

The purpose of the 2012 International Conference on Structural Nano Composites (NanoStruc 2012) is to promote activities in various areas of materials and structures by providing a forum for exchange of ideas, presentation of technical achievements a... Read More about Abstract book for the proceedings of the 1st International conference on structural nano composites (NANOSTRUC 2012), 02-04 July 2012, Cranfield, UK..

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