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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Williams, Hugo R.
University of Birmingham
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2021Manufacture of Porous Frit Vents Using Space Holder Methodology for Radioisotopic Space Power Systemscitations
- 2017Sintering trials of analogues of americium oxides for radioisotope power systemscitations
- 2016Aeroshell re-entry and material testing for the european space nuclear power program
- 2015Spark plasma sintered bismuth telluride-based thermoelectric materials incorporating dispersed boron carbidecitations
- 2008Bioinspired self-healing of advanced composite materials
- 2008Self-healing sandwich panels: restoration of compressive strength after impact ; Self-healing sandwich panels:restoration of compressive strength after impactcitations
- 2007Self-healing composite sandwich structurescitations
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article
Spark plasma sintered bismuth telluride-based thermoelectric materials incorporating dispersed boron carbide
Abstract
<p>The mechanical properties of bismuth telluride based thermoelectric materials have received much less attention in the literature than their thermoelectric properties. Polycrystalline p-type Bi<sub>0.5</sub>Sb<sub>1.5</sub>Te<sub>3</sub> materials were produced from powder using spark plasma sintering (SPS). The effects of nano-B<sub>4</sub>C addition on the thermoelectric performance, Vickers hardness and fracture toughness were measured. Addition of 0.2 vol% B<sub>4</sub>C was found to have little effect on zT but increased hardness by approximately 27% when compared to polycrystalline material without B<sub>4</sub>C. The K<sub>IC</sub> fracture toughness of these compositions was measured as 0.80 MPa m<sup>1/2</sup> by Single-Edge V-Notched Beam (SEVNB). The machinability of polycrystalline materials produced by SPS was significantly better than commercially available directionally solidified materials because the latter is limited by cleavage along the crystallographic plane parallel to the direction of solidification.</p>