- UHRA Home
- University of Hertfordshire
- Browsing University of Hertfordshire by Author
Browsing University of Hertfordshire by Author "Chrysanthou, A."
Now showing items 21-40 of 59
-
The effect of setting velocity on the static and fatigue strengths of self-piercing riveted joints for automotive applications
Li, Dezhi; Han, Li; Shergold, Mike; Williams, Geraint; Chrysanthou, A. (Wiley, 2014-04-11)In order to reduce vehicle weight to increase fuel efficiency and reduce CO2 emission, more and more automotive manufacturers are now using lightweight materials, such as aluminium, to build part of or the whole body-in-white ... -
Enhancing the dispersion of TiC in copper
Chrysanthou, A.; Erbaccio, G. (1996-05) -
Erosive-corrosive wear behaviour of Fe-TiC and cobalt based layers separately deposited on En31 steel
Modi, O. P.; Prasad, B. K.; Chrysanthou, A.; Deshmukh, V. P.; Shah, A. K. (2007-08)Observations pertaining to the erosive-corrosive wear behaviour of samples of En31 steel hardfaced separately with Fe-TiC and a commercial cobalt based material are reported in the present investigation. Erosion-corrosion ... -
Evaluation of quality and behaviour of self-piercing riveted aluminium to high strength low alloy sheets with different surface coatings
Han, Li; Chrysanthou, A. (2008)A study examining the effect of coatings on the quality and behaviour of self-piercing riveted joints between aluminium and steel sheets was conducted. NG5754 and AA5182 aluminium and high strength low alloy (HSLA) steel ... -
Formation and microstructure of (Ti, V)C-reinforeed iron-matrix composites using self-propagating high-temperature synthesis
Chrysanthou, A.; Modi, Om Prakash; Han, Li; Ramakrishnan, Narayanrao; O'Sullivan, J.M. (2008-03-01)The combustion synthesis of (Ti, V)C-reinforced iron-matrix composites from elemental powders was examined. Examination using scanning electron microscopy indicated that two types of carbide particles were formed having a ... -
Formation of silicon carbide whiskers and their microstructure
Chrysanthou, A.; Grieveson, P.; Jha, A. (1991-01-01)Thermodynamic and kinetic conditions for the formation of SiC whiskers are established. The mechanism of their nucleation and growth are studied and, on this basis, the magnitude of the thermally activated barrier is ... -
Fretting behaviour of self-piercing riveted aluminium alloy joints under different interfacial conditions
Han, Li; Chrysanthou, A.; O'Sullivan, J.M. (2006)The fretting behaviour of self-piercing riveted aluminium alloy joints with three different interfacial conditions has been investigated in this study, The fatigue life of the joints was observed to be dependent on the ... -
Fretting wear in self-piercing riveted aluminium alloy sheet
Chen, Y.K.; Han, L.; Chrysanthou, A.; O'Sullivan, J.M. (2003)Fretting wear in aluminium alloy AA5754 joined by self-pierce riveting (SPR), a relatively new fastening technique increasingly used in vehicle structures, has been investigated in this paper. Surface damages have been ... -
Glass-ceramic sealant for solid oxide fuel cells application: Characterization and performance in dual atmosphere
Sabato, A. G.; Cempura, G.; Montinaro, D.; Chrysanthou, A.; Salvo, M.; Bernardo, E.; Secco, M.; Smeacetto, F. (2016-10-01)Glass-ceramic composition was designed and tested for use as a sealant in solid oxide fuel cell (SOFC) planar stack design. The crystallization behaviour was investigated by calculating the Avrami parameter (n) and the ... -
High-stress abrasive wear response of 0.2% carbon dual phase steel : Effects of microstructural features and experimental conditions
Modi, O. P.; Pandit, Pallavi; Mondal, D. P.; Prasad, B. K.; Yegneswaran, A. H.; Chrysanthou, A. (2007-06-15)Effects of heat treatment on the high-stress abrasive wear response of 0.2% carbon steel have been investigated at varying applied loads, abrasive (SiC) sizes and sliding distances. The heat treatment involved intercritical ... -
In situ preparation of copper-matrix composites
Chrysanthou, A.; Erbaccio, G.; Wood, J.V. (1993-10) -
An investigation of the self-propagating high-temperature synthesis of Ti(Si,Al)
Chrysanthou, A.; Opoku, E.K.; Han, L. (2005-05-01)The self-propagating high-temperature synthesis (SPS) of TiSi and T Si,AL) powders was investigated. Elemental powders of titanium, silicon and aluminum were used for the synthesis. The sample powders were investigated by ... -
Kinetic dissociation of nickel titanate and nickel tungstate in oxygen potential gradients
Azubike, D.C.; Chrysanthou, A.; Terry, B.S. (1994-06-01)Nickel titanate (NiTiO) and nickel tungstate (NiWO) were exposed to oxygen potential gradients at 1400 and 1100° C, and they were found to dissociate into their constituent oxides, namely, NiO and TiO, and WO and NiO, ... -
Martensitic-Austenitic phase transformation of Ni-Ti SMAs : Thermal properties
Zanotti, C.; Giuliani, P.; Chrysanthou, A. (2012-05)The main scope of this work concerns the definition of the thermal conductivity temperature dependence of fully dense NiTi SMAs in the temperature range where the Martensitic Austenitic phase transformation occurs. The ... -
Mechanical behaviour of self-piercing riveted multi-layer joints under different specimen configurations
Han, L.; Chrysanthou, A.; Young, K. W. (2007)A study examining the effect of specimen configuration on the mechanical behaviour of self-piercing riveted, multi-layer joints in aluminium alloys was conducted. It has observed that the specimen configuration had a ... -
Nanostructured TiC1-X-TiB2 Composites Obtained by Metastability Processing
Adrian, I. C. Atias; Vallauri, D.; Zhang, Z.; Chrysanthou, A.; DeBenedetti, B.; Amato, I. (TRANS TECH PUBLICATIONS LTD, 2007)Non-oxide ceramic nanostructured powders are synthesized through metastable transformation processing based on the Self-propagating High-temperature Synthesis (SHS) process followed by quenching. Binary systems like the ... -
New technologies for the reactive processing of metal-matrix composites
Chrysanthou, A. (TRANS TECH PUBLICATIONS LTD, 1995)Reactive processing is emerging as a viable technology for the production of discontinuously reinforced metal-matrix composites. In this review various in-situ processes are described and their potential is assessed in ... -
Novel glass-ceramic composition as sealant for SOFCs
Smeacetto, Federico; De Miranda, Auristela; Chrysanthou, A.; Bernardo, Enrico; Secco, Michele; Bindi, Massimiliano; Salvo, Milena; Sabato, Antonio G.; Ferraris, Monica (2014-12-10)This work deals with the design, the characterization, and testing of a novel glass-ceramic to be used as sealant for planar solid oxide fuel cells and its compatibility with Mn1.5Co1.5O4-coated Crofer22APU. Thermal, ... -
Observation of intermetallic Ni3Ti whiskers during combustion synthesis reactions in the Ni-Ti-C system
Chrysanthou, A.; Kassim, K.H. (1995-10)Initial studies of self-propagating reactions in the Ni-Ti-C system have revealed the formation of NiTi intermetallic whiskers via the VLS mechanism, in addition to the expected product of TiC in a nickel matrix. The ... -
The observation of metastable molybdenum carbides
Chrysanthou, A.; Grieveson, P. (1991-02-01)