Inter-particle interactions in partially densified compacts of electrically conductive materials during spark plasma sintering

2016 ◽  
Author(s):  
Dina V. Dudina ◽  
Vyacheslav I. Mali ◽  
Arina V. Ukhina ◽  
Alexander G. Anisimov ◽  
Andrei E. Brester ◽  
...  
Keyword(s):  
Spark Plasma Sintering ◽  
Particle Interactions ◽  
Electrically Conductive ◽  
Conductive Materials ◽  
Plasma Sintering ◽  
Spark Plasma

Porous electrically conductive materials produced by Spark Plasma Sintering and hot pressing of nanodiamonds

2015 ◽  
Vol 41 (9) ◽  
pp. 12459-12463 ◽  
Author(s):  
Arina V. Ukhina ◽  
Dina V. Dudina ◽  
Alexander G. Anisimov ◽  
Vyacheslav I. Mali ◽  
Natalia V. Bulina ◽  
...  
Keyword(s):  
Spark Plasma Sintering ◽  
Hot Pressing ◽  
Electrically Conductive ◽  
Conductive Materials ◽  
Plasma Sintering ◽  
Spark Plasma

A Novel Approach for Preparing Electrically Conductive SiAlON-TiN Composites by Spark Plasma Sintering

2008 ◽  
Vol 403 ◽  
pp. 243-244
Author(s):  
E. Ayas ◽  
Alpagut Kara ◽  
Ferhat Kara
Keyword(s):  
Spark Plasma Sintering ◽  
Sem Analysis ◽  
Tio2 Powder ◽  
Mechanical Mixing ◽  
Electrically Conductive ◽  
Plasma Sintering ◽  
Novel Approach ◽  
Spark Plasma ◽  
Xrd Studies

An effective approach for preparing electrically conductive SiAlON-TiN composites was developed. Granules of a designed composition of α- SiAlON was obtained by spray drying and coated with varying amounts of TiO2 powder homogenously by mechanical mixing. Fully dense composites were obtained by spark plasma sintering (SPS) under a pressure of 50 MPa at 1650°C for 5min. According to the SEM analysis, unique microstructures containing continuously segregated in-situ formed TiN phase in 3-D were achieved. Additionally, XRD studies revealed that all TiO2 was successfully converted to TiN. The resistivity of the α-β SiAlON (1x1011 .m) was drastically reduced with the addition of only 5 vol. % TiO2 (2x10-4 .m).

Spark Plasma Sintering of Silicon Nitride-Boron Carbide Composites

2008 ◽  
Vol 403 ◽  
pp. 225-226
Author(s):  
E. Ayas ◽  
A. Kalemtas ◽  
Gürsoy Arslan ◽  
Alpagut Kara ◽  
Ferhat Kara
Keyword(s):  
Electrical Resistivity ◽  
Spark Plasma Sintering ◽  
Xrd Analysis ◽  
Sintering Process ◽  
Electrically Conductive ◽  
Plasma Sintering ◽  
B4c Particles ◽  
Spark Plasma ◽  
In Situ Reactions

Si3N4-B4C composites containing fine and coarse B4C particles were produced using Al2O3 and Y2O3 as sintering additives via spark plasma sintering (SPS) technique. Phase assemblages of the produced composites were determined by XRD analysis. Si3N4, B4C and in situ formed SiC, h-BN and Si phases were observed. Even when incorporated in significant amounts, B4C was consumed readily in the Si3N4 based system. Consequently, full densification of these composites was found to be a very difficult task due to the simultaneous in-situ reactions, even in fast sintering process. Electrical resistivity measurements carried out at room temperature indicated that addition of both fine and coarse B4C particles decreased the electrical resistivity by several orders of magnitude due to the formation of electrically conductive in-situ phases, mainly SiC and metallic Si.

Electrically conductive alumina–carbon nanocomposites prepared by Spark Plasma Sintering

2010 ◽  
Vol 30 (2) ◽  
pp. 153-157 ◽  
Author(s):  
Fawad Inam ◽  
Haixue Yan ◽  
Daniel D. Jayaseelan ◽  
Ton Peijs ◽  
Michael J. Reece
Keyword(s):  
Spark Plasma Sintering ◽  
Electrically Conductive ◽  
Carbon Nanocomposites ◽  
Plasma Sintering ◽  
Spark Plasma

Spark Plasma Sintering: Homogenization of the Compact Temperature Field for Non Conductive Materials

2013 ◽  
Vol 12 ◽  
pp. E1-E12 ◽  
Author(s):  
Thierry Vanherck ◽  
Guillaume Jean ◽  
Maurice Gonon ◽  
Jacques Lobry ◽  
Francis Cambier
Keyword(s):  
Temperature Field ◽  
Spark Plasma Sintering ◽  
Conductive Materials ◽  
Plasma Sintering ◽  
Spark Plasma
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