Cermet TiCN – Ni – Mo – C plasma coatings synthesized from plasma-chemical nanosized powders

2018 ◽  
pp. 34-45 ◽  
Author(s):  
V. I. Kalita ◽  
◽  
A. A. Radyuk ◽  
D. I. Komlev ◽  
A. B. Mikhailova ◽  
...  
Keyword(s):  
Plasma Chemical ◽  
Nanosized Powders ◽  
Plasma Coatings

Plasma-Chemical Synthesis of Nanosized Powders-Nitrides, Carbides, Oxides, Carbon Nanotubes and Fullerenes

2012 ◽  
Vol 14 (11) ◽  
pp. 980-995 ◽  
Author(s):  
Katerina Zaharieva ◽  
Gheorghi Vissokov ◽  
Janis Grabis ◽  
Slavcho Rakovsky
Keyword(s):  
Carbon Nanotubes ◽  
Chemical Synthesis ◽  
Plasma Chemical ◽  
Nanosized Powders ◽  
Plasma Chemical Synthesis

Fine-Grained Si3N4-Containing Ceramics from Nanopowders

2010 ◽  
Vol 636-637 ◽  
pp. 130-135
Author(s):  
Ilmars Zalite ◽  
Natalja Zilinska ◽  
Janis Krastins ◽  
Ints Šteins
Keyword(s):  
Heating Rate ◽  
Ceramic Materials ◽  
Holding Time ◽  
Plasma Chemical ◽  
Nanosized Powders ◽  
Fine Grained ◽  
Plasma Sintering ◽  
Dense Ceramic ◽  
Fine Grained Structure ◽  
Spark Plasma

Different compositions of SiAlON materials have been prepared from separate nanopowders and their composites: Si3N4 – AlN, Si3N4, Al2O3 and Y2O3, produced by the method of plasma-chemical synthesis. Compositions have been pressure-less sintered in nitrogen medium up to 1750°C with a heating rate of 10°C/min and holding time for 2 hours or by spark plasma sintering (SPS) in vacuum at 1700°C with a heating rate of 100°C/min and holding time of 5 min. The densification behaviour of the materials at these sintering conditions depends insignificantly on the powder composition. It is possible to obtain dense ceramic materials with relatively fine-grained structure (200-300 nm) from nanosized powders at relatively low temperatures (1400 - 1600°C) with good mechanical properties.

Some SiAlONs Prepared from Nanopowders by Spark Plasma Sintering

2009 ◽  
Vol 151 ◽  
pp. 240-244
Author(s):  
Ilmars Zalite ◽  
Natalja Zilinska ◽  
Ints Šteins ◽  
Janis Krastins
Keyword(s):  
Spark Plasma Sintering ◽  
Ceramic Materials ◽  
Holding Time ◽  
Plasma Chemical ◽  
Nanosized Powders ◽  
Fine Grained ◽  
Plasma Sintering ◽  
Dense Ceramic ◽  
Fine Grained Structure ◽  
Spark Plasma

Different compositions of α- and α-/β- SiAlON materials have been prepared from separate nanopowders and their composites: Si3N4 – AlN, Si3N4, Al2O3 and Y2O3, produced by the method of plasma-chemical synthesis. Compositions have been sintered by spark plasma sintering (SPS) method in vacuum at 1700 °C with a heating rate of 100 °C/min and holding time of 5 min. The densification behaviour of the materials at these sintering conditions depends insignificantly on the powder composition. It is possible to obtain dense ceramic materials with relatively fine-grained structure (200-400 nm) and good mechanical properties from nanosized powders at relatively low temperatures (1400-1600 °C). The holding time at applied compacting conditions is still too short to ensure the formation of α- SiAlON phase corresponding to the phase diagram. All samples consist of β- SiAlON’s of differing composition and this is the reason for relatively low hardness of samples (HV5 = 15,6-16,9 GPa).

Cermet plasma coatings based on silicon carbide

2019 ◽  
pp. 28-39
Author(s):  
Kalita V. I. ◽  
◽  
Radyuk A. A. ◽  
Komlev D. I. ◽  
Mikhailova A. B. ◽  
...  
Keyword(s):  
Silicon Carbide ◽  
Plasma Coatings

Effect of matrix on properties of cermet plasma coatings based on titanium carbide

2019 ◽  
pp. 53-64
Author(s):  
V. I. Kalita ◽  
◽  
G. A. Pribytkov ◽  
D. I. Komlev ◽  
V. V. Korzhova ◽  
...  
Keyword(s):  
Titanium Carbide ◽  
Plasma Coatings
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