Results 41 to 50 of about 540,129 (234)

Effect of beating process to soda anthraquinone pulp of oil palm male flower spikes fibre [PDF]

open access: yes, 2015
This study was carried out to investigate the effect of beating process to the characteristics of pulp and paper produced from oil palm oil male flower spikes (OPMFS). OPMFS pulp was prepared according to chemical Soda-AQ pulping process.
Adnan, S.   +6 more
core   +1 more source

Mullite-alumina functionally gradient ceramics [PDF]

open access: yesLe Journal de Physique IV, 1993
Cracks free mullite-alumina Functionally Gradient Ceramics (FGC) have been obtained by sequential slip casting of Mullite-alumina slurries with different mullite/alumina ratios. These slurries were prepared with 65 % solids content and viscosities ranging from 10 to 40 mPa.s.
Pena, P.   +3 more
openaire   +2 more sources

Effect of LZSA Glass-Ceramic Addition on Pressureless Sintered Alumina. Part I: Grain Growth [PDF]

open access: yesMaterials Research, 2017
The aim of this study was to evaluate the effect of an 11.6Li2O-16.8ZrO2-68.2SiO2-3.4Al2O3 (LZSA) glass ceramic on the grain growth of alumina obtained by pressureless sintering. Three contents of the LZSA glass ceramic (7, 15, and 21 vol%; mean particle
Oscar Rubem Klegues Montedo   +5 more
doaj   +1 more source

Grain-Size Effects on Multi-Wire Slurry Sawing of Translucent Alumina Ceramics

open access: yesCeramics, 2020
The technology of multi-wire sawing is well established in the production of silicon wafers but can also be applied in the production of ceramic substrates.
Lea Schmidtner   +2 more
doaj   +1 more source

Vat photopolymerization-based 3D printing of complex-shaped and high-performance Al2O3 ceramic tool with chip-breaking grooves: Cutting performance and wear mechanism

open access: yesJournal of Asian Ceramic Societies, 2023
Due to the processing of alumina ceramic cutting tools with complex shapes using traditional methods is difficult and time-consuming, vat-photopolymerization-based 3D printing was adopted to fabricate Al2O3 ceramic cutting tools with grooves for the ...
Haidong Wu   +5 more
doaj   +1 more source

CVD of solid oxides in porous substrates for ceramic membrane modification [PDF]

open access: yes, 1992
The deposition of yttria-doped zirconia has been experimented systematically in various types of porous ceramic substrates by a modified chemical vapor deposition (CVD) process operating in an opposing reactant geometry using water vapor and ...
Burggraaf, A.J., Lin, Y.S.
core   +2 more sources

Improving oxidation resistance of carbon nanotube nanocomposites for aerospace applications [PDF]

open access: yes, 2012
Carbon nanotubes (CNTs) based materials possess strong potential to substitute various functional materials developed exclusively for aerospace applications.
Inam, Fawad, Kumara, Saman, Vo, Thuc
core   +1 more source

A Ceramic Diffusion Bonding Method for Passive LC High-Temperature Pressure Sensor

open access: yesSensors, 2018
Alumina ceramic is a highly promising material for fabricating high-temperature pressure sensors. In this paper, a direct bonding method for fabricating a sensitive cavity with alumina ceramic is presented. Alumina ceramic substrates were bonded together
Chen Li   +3 more
doaj   +1 more source

Development of D-Statcom in hardware in the loop system for voltage SAG mitigation [PDF]

open access: yes, 2019
The problem of power quality (PQ) is of utmost concern today. The widespread use of electronic equipment such as adjustable speed drive (ASD), programmable logic controller (PLC), information technology equipment in power electronics applications such
Mohammed, Amjad Muneim
core  

Modified CVD of nanoscale structures in and EVD of thin layers on porous ceramic membranes [PDF]

open access: yes, 1991
Experiments on the modified chemical vapour deposition (CVD) and the electrochemical vapour deposition (EVD) of yttria-stabilized zirconia on porous substrates are reported. It is shown that, in the CVD stage, deposition occurs in a small (
Burggraaf, A.J.   +7 more
core   +4 more sources

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