Results 11 to 20 of about 239,956 (190)

Parametric Analysis of the Selective Laser Sintering Process [PDF]

open access: yes, 1990
Qualitative and quantitative analyses are required to develop Selective Laser Sintering into a viable Manufacturing process. A simplified mathematical model for sintering incorporating the heat tJ;ansfer equation.
Barlow, Joel W.   +2 more
core   +1 more source

Effect of 1 wt% LiF additive on the densification of nanocrystalline Y2O3 ceramics by spark plasma sintering [PDF]

open access: yes, 2011
Densification of nanocrystalline cubic yttria (nc-Y2O3) powder, with 18 nm crystal size and 1 wt% LiF as a sintering additive was investigated. Specimens were fabricated by spark plasma sintering at 100 MPa, within the temperature range of 700–1500 °C ...
Chaim, Rachman   +3 more
core   +2 more sources

Zirconia as a support for catalysts: influence of additives on the thermal stability of the porous texture of monoclinic zirconia [PDF]

open access: yes, 1991
A single-phase monoclinic zirconia (the thermodynamically stable modification up to a temperature of 1170°C), having a specific surface area of 67 m2g¿1 and a well-developed mesoporous texture, has been prepared by gel-precipitation followed by ...
Burggraaf, A.J.   +8 more
core   +9 more sources

Densification and preservation of ceramic nanocrystalline character by spark plasma sintering [PDF]

open access: yes, 2012
Spark plasma sintering is a hot pressing technique where rapid heating by dc electric pulses is used simultaneously with applied pressure. Thus, spark plasma sintering is highly suitable for rapid densification of ceramic nanoparticles and preservation ...
C Estournés   +7 more
core   +2 more sources

Mechanisms Involved in the Formation of Secondary Structures on the Friction Surface of Experimental Aluminum Alloys for Monometallic Journal Bearings

open access: yesLubricants, 2018
The processes taking place on the friction surface of high-alloyed aluminum alloys working with steel whilst replacing bronze journal bearings with aluminum are investigated. In this regard, eight experimental aluminum alloys with an Sn content from 5.4%
Pavel Podrabinnik   +4 more
doaj   +1 more source

Effect of Speed Sintering on Low Temperature Degradation and Biaxial Flexural Strength of 5Y-TZP Zirconia

open access: yesMolecules, 2022
Translucent zirconia is becoming the material of choice for the esthetic restorative material. We aimed to evaluate the surface structure, phase determination, translucency, and flexural strength of 5Y-TZP Zirconia (Katana STML Block and Disc) between ...
Suchada Kongkiatkamon   +1 more
doaj   +1 more source

Synthesis, Sintering, and Electrical Properties of BaCe0.9−xZrxY0.1O3−δ [PDF]

open access: yes, 2008
BaCe0.9−xZrxY0.1O3−δ powders were synthesized by a solid-state reaction. Different contents of cerium and zirconium were studied. Pellets were sintered using either conventional sintering in air at 1700◦C or the Spark Plasma Sintering (SPS) technique ...
Bonanos, Nikolaos   +3 more
core   +4 more sources

Improvement design of existing threshing machine at Kilang Sawit Risda, Ulu Keratong [PDF]

open access: yes, 2020
Palm oil is very important in the agricultural and economic sectors in Malaysia. It’s origin is in the tropical rain forest region of West Africa, which the main belt runs through the southern latitudes of Cameron, Cote D’ ivoire, Ghana, Liberia, Nigeria,
Chen, Chit Wee   +8 more
core   +2 more sources

Facile preparation of high conductive silver electrodes by dip-coating followed by quick sintering [PDF]

open access: yesRoyal Society Open Science, 2020
With polyol-synthesized silver nanoparticles (AgNPs) as raw materials, the silver electrodes with high conductivity were fabricated via a dip-coating method followed by sintering process, and the effects of the dip-coating and sintering process on the ...
Tianrui Chen   +4 more
doaj   +1 more source

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

Home - About - Disclaimer - Privacy