Results 21 to 30 of about 5,473,972 (294)

Optimization of the Metallurgical Process of (Ni_xSi+C)/Cu Composite Materials Based on Orthogonal Test [PDF]

Cailiao Baohu, 2023
In order to optimize the parameters of the powder metallurgy process of (NixSi+C)/Cu composite materials，orthogonal tests were designed to study the effects of mixing method，sintering temperature and sintering time on the microstructure and mechanical ...
QIN Lan, JIA Lei, YANG Ming-fang, WANG Wen-jie, JIANG Li-ping
doaj   +1 more source

FABRICATION OF POROUS POWDER MATERIALS WITH CONTROLLED DIRECTION FILTERING

Литьë и металлургия, 2015
The technology for obtaining of porous powder materials with frame structure on the basis of spherical particles of titanium powder, using application of technological coatings of Тi (Si+Мо), (Si+С) or (W+С) was developed.
V. Kovalevskij, Yu. Alekseev, L. Kerzhenceva, A. Zhuk, A. Kovalevskaja, V. Zhuk   +5 more
doaj   +1 more source

Synthesis and Reaction Sintering of WB

Journal of the Ceramic Association, Japan, 1987
The conditions for preparing WB by solid state reaction between tungsten and amorphous boron powders were investigated. The effect of added titanium or zirconium on the sinterability of the synthesized WB powder was examined under high pressure and temperature conditions.
Tsuneaki Matsudaira, Hideaki Itoh, Shigeharu Naka, Hiroshi Hamamoto, Mikio Obayashi   +4 more
openaire   +2 more sources

Preparation of boron carbide stainless steel composites by spark plasma sintering

Fenmo yejin jishu
The B4C-stainless steel composites with B4C mass fraction of 4.00% were prepared by spark plasma sintering (SPS) method, using B4C microspheres and 304 stainless steel powders as the raw materials. The density of the composites was tested by the drainage
LI Yuanyuan, WU Ying, PAN Xiaoqiang, LIU Tingwei   +3 more
doaj   +1 more source

ZrB2–SiC based composites for thermal protection by reaction sintering of ZrO2+B4C+Si

Journal of Advanced Ceramics, 2017
Synthesis and sintering of ZrB2–SiC based composites have been carried out in a single-step pressureless reaction sintering (PLRS) of ZrO2, B4C, and Si. Y2O3 and Al2O3 were used as sintering additives.
R. Krishnarao, V. Bhanuprasad, G. Madhusudhan Reddy   +2 more
semanticscholar   +1 more source

Sintering effect on electrical properties and morphology of lead-free Na0.92k0.08NbO3 ceramics [PDF]

Science of Sintering, 2019
Sodium potassium niobate (NKN) powders were synthesized by the solid-state reaction method. The NKN ceramics for composition Na0.92K0.08NbO3 (NKN) were then fabricated by a two-step sintering technique.
Kathait Gambheer Singh, Panwar N.S., Thapliyal Prashant, Biswas Don, Rohilla Vishal, Singh Surendra   +5 more
doaj   +1 more source

Review article: RE-SiAlONa¤b- composites. Formation, thermal stability, phase relationships, reaction densification

Cerâmica, 1999
In view of the considerable progress that has been made over the last several years on the fundamental understanding of phase relationships, microstructural design, and tailoring of properties for specific applications of rare-earth doped SiAlONs, a ...
V. A. Izhevskiy, L. A. Gênova, J. C. Bressiani   +2 more
doaj   +1 more source

Creep of Reaction Sintered and Liquid Phase Sintered Sialon

Journal of the Mechanical Behavior of Materials, 1990
Creep experiments were conducted with 100—250 MPa stress at 1200-1450°C of Reaction Sintered (RS) Sialon A synthesized from Si3N4-AlN-Al203 and Liquid Phase Sintered (LPS) Sialon C, CI synthesized from Y203-A1N-Si02 systems. RS Sialon A, containing no liquid phase sintering aid, had better creep resistance than LPS Sialon C, CI.
Chakraborty, D., Mukhopadhyay, A.K.
openaire   +2 more sources

Interactions between Molten High‐Silicon Electrical Steels and Carbon‐Bonded MgO Refractories Based on Recyclates

Advanced Engineering Materials, EarlyView.
This study examines how several molten high‐silicon electrical steels interact with both conventional and recycled MgO–C refractories. For this, various immersion experiments are conducted. In addition to infiltration, a number of mechanisms are identified and explained that control the corrosion of the refractory material.
Lukas Neubert, Matheus Roberto Bellé, Anton Yehorov, Anhelina Mospan, Till M. J. Stadtmüller, Seetharaman Sridhar, Christos G. Aneziris, Olena Volkova   +7 more
wiley   +1 more source

Some features of sintering of tungsten powders [PDF]

Science of Sintering, 2016
A method of activating the sintering process for tungsten powders using a closed reaction space and hydrogen, steam-saturated water was observed. This sintering process is allowed to activate super coarse-grained (1000μm) tungsten powder sat ...
Andreiev Igor Viktorovich, Bondarenko Volodymyr Petrovych, Tarasenko Lubov Georgyivna   +2 more
doaj   +1 more source