Results 31 to 40 of about 85,040 (301)

Effect of impurities and sintering temperature on properties of MgO-CaZrO3 ceramic [PDF]

open access: yes, 2013
CaZrO3 -MgO ceramics are useful as refractories in kilns for the cement production. One method of manufacture of such ceramics is by sintering from m-ZrO2 and dolomite MgCa(CO3 )2 mixtures. In this work electrofused m-ZrO2 grains (fraction
Aglietti, Esteban Fausto   +2 more
core   +2 more sources

Materials and technologies of powder metallurgy in components of aviation and space engineering

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2020
Examples of the implementation of powder metallurgy methods and their individual elements in the processes of producing materials with special properties and products thereof are considered.
A. Ph. Ilyushchanka   +4 more
doaj   +1 more source

Effects of Microwave Sintering on Properties and Microstructure of Ferromanganese Alloy Powders [PDF]

open access: yesArchives of Metallurgy and Materials, 2018
Microwave sintering process was employed to agglomerate ferromanganese alloy powders. The effects of sintering temperature, holding time and particle size composition on the properties and microstructure of sintering products were investigated.
Lei Li   +6 more
doaj   +1 more source

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

open access: yesCailiao 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

open access: yesЛитьë 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   +5 more
doaj   +1 more source

CO2 multicyclic capture of pretreated/doped CaO in the Ca-looping process. Theory and experiments [PDF]

open access: yes, 2013
We study in this paper the conversion of CaO-based CO2 sorbents when subjected to repeated carbonation/calcination cycles with a focus on thermally pretreated/doped sorbents.
Perejón Pazo, Antonio   +3 more
core   +1 more source

Segmented phase of ultraviolet (UV) curable thermoset polyurethanes-graphite (TPU-G) composites [PDF]

open access: yes, 2019
Segmented thermoset polymeric materials properties mainly classified through its carbonyl hydrogen bonding. The addition of graphite particle loading in polymeric materials tailored the functional characteristic of the composites. Therefore, the carbonyl
Abdullah, M. F. L.   +2 more
core   +1 more source

Preparation of boron carbide stainless steel composites by spark plasma sintering

open access: yesFenmo 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   +3 more
doaj   +1 more source

Low-Temperature Rapid Synthesis and Superconductivity of Fe-Based Oxypnictide Superconductors

open access: yes, 2010
we were able to develop a novel method to synthesize Fe-based oxypnictide superconductors. By using LnAs and FeO as the starting materials and a ball-milling process prior to solid-state sintering, Tc as high as 50.7 K was obtained with the sample of Sm ...
Artioli G. A.   +7 more
core   +1 more source

Creep of Reaction Sintered and Liquid Phase Sintered Sialon

open access: yesJournal 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

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