Ara
Toplam kayıt 22, listelenen: 11-20
Effect of sintering conditions and heat treatment on the properties, microstructure and machining performance of alpha-beta-SiAlON ceramics
(Elsevier Sci LTD, 2012)
The properties of SiAlON ceramics are strongly affected by the composition and structure of the intergranular phase, which are controlled by dopants, sintering conditions and starting silicon nitride (Si3N4) powder ...
Wear properties of alpha- and alpha/beta-SiAlON ceramics obtained by gas pressure sintering and spark plasma sintering
(Elsevier Sci LTD, 2011)
In this study, alpha- and alpha/beta-SiAlON materials, doped with Y(2)O(3) and Nd(2)O(3), were sintered using two different sintering processes: spark plasma sintering (SPS) and gas pressure sintering (GPS). The wear and ...
Wear behaviour of alpha- and alpha/beta-SiAlON ceramics stabilized with Nd2O3 and Y2O3
(Elsevier Sci LTD, 2009)
alpha- and alpha/beta-SiAlON compositions, doped with Y2O3 or Nd2O3, were densified by gas pressure sintering (GPS). The wear and mechanical properties of the materials were investigated and compared to beta-Si3N4 materials. ...
A novel approach on the synthesis of beta-SiAlON:Eu2+ phosphors from kaolin through carbothermal reduction and nitridation (CRN) route
(Taylor & Francis LTD, 2014)
Doping beta-SiAlON crystal structure with rare earths leads to a superior tuneable luminescence properties for light emitting diodes (LEDs). However, the widely used conventional methods require high purity starting powders ...
Analytical transmission electron microscopy observations on the stability of TiCN in electrically conductive alpha-beta SiAlON/TiCN composites
(Elsevier Sci LTD, 2014)
Coating of alpha-beta SiAlON granules with TiCN powder led to a continuous 3D electrically conductive network formation. Here, the stability of TiCN grains following gas pressure sintering (GPS) and its effect on the ...
Oxidation behavior of electrically conductive alpha/beta SiAlON composites with segregated network of TiCN
(Elsevier Sci LTD, 2012)
The oxidation behavior of novel electrically conductive alpha/beta SiAlON composites with a continuous network of 2.5-10 vol% TiCN particulates was investigated. Composites, produced by coating spray dried granules with ...
A novel approach for preparing electrically conductive alpha/beta SiAlON-TiN composites by spark plasma sintering
(Ceramic Soc Japan-Nippon Seramikkusu Kyokai, 2008)
An effective approach for preparing electrically conductive SiAlON-TiN composites have been developed. Granules of a designed composition of alpha-beta SiAlON were obtained by spray drying and coated with varying amounts ...
Effect of heat treatment on green machinability of SiAlON compacts
(Elsevier Science Sa, 2014)
SiAlON based ceramics are promising materials for wear applications such as wire extrusion dies, pipe bending rollers, etc. due to their outstanding mechanical properties both at high and low temperatures. To be able to ...
Investigation on the performance of SiAlON ceramic drills on aerospace grade CFRP composites
(Elsevier Science Sa, 2015)
Carbon fiber reinforced polymer (CFRP) composites are widely used in aircraft structure due to their outstanding physical and mechanical properties. Drilling is one of the most critical operation in the handling of CFRP ...
A comparative study of SiAlON ceramics
(Elsevier Sci LTD, 2012)
Two different varieties of Si3N4 powders were used to prepare SiAlON ceramics. 100% beta-Si3N4 was used from refractory grade powders (B1) and another purer 98% alpha-Si3N4 (50A) powder was used to prepare the SiAlON ...