Güncel Gönderiler: Bildiri Koleksiyonu
Toplam kayıt 150, listelenen: 101-120
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A Preliminary Study on Cell Wall Architecture of Titanium Foams
(Materials Research Soc, 2009)Bio-inspired architectures, especially metallic foams, have been receiving an increasing interest for the last 10 years due to their unusual mechanical properties. Among commonly dealt foamed metals, like aluminum and ... -
Effect of Processing Parameters on Compressive Behavior of Ti Foams
(Destech Publications, Inc, 2008)Among metal foams, titanium (Ti) and its alloys are very attractive since they combine unique properties such as high strength-to-weight ratio, excellent corrosion resistance and biocompatibility. This study presents a ... -
Mechanical characterization of highly porous beta-Si3N4 ceramics fabricated via partial sintering & starch addition
(Elsevier Sci LTD, 2013)In this study, porous beta-Si3N4 ceramics containing limited amount of Sm2O3 and CaO as sintering aids were produced by addition of potato starch (10 and 20 vol.%) and partial sintering. Two different Si3N4 powders, alpha- ... -
Synchrotron texture analysis of thick BiFeO3-PbTiO3 layers synthesised by tape casting using Aurivillius and non-Aurivillius templates
(IEEE, 2012)The solid solution between bismuth ferrite and lead titanate (xBiFeO(3)-(1-x)PbTiO3 or BFPT) possesses a morphotropic phase boundary (MPB) between the rhombohedral and tetragonal forms at x=0.7. It is of interest to ... -
Electric-field-induced phase switching in textured Ba-doped bismuth ferrite lead titanate
(IEEE, 2013)The template grain growth technique was used to synthesis textured 60BiFeO(3)-PbTiO3 (60:40BFPT) by using platelets of BaTiO3 as template. Synchrotron measurement clearly showed textured 60: 40BFPT. Moreover, in situ high ... -
Microstructure-permeability relation of porous beta-Si3N4 ceramics
(Elsevier Sci LTD, 2013)Porous beta-Si3N4 ceramics with two distinct structures were produced by using two different Si3N4 sources to investigate the relationship between microstructure and permeability. Results showed that regardless of pore ... -
Texture analysis of thick bismuth ferrite lead titanate layers
(IEEE, 2014)The template grain growth technique was used to synthesis textured 60BiFeO(3)-PbTiO3 (60:40BFPT) by using platelets of BaTiO3 as template. Synchrotron measurement clearly showed textured 60:40BFPT. Moreover, in situ high ... -
Direct and Postsynthetic Functionalization of Mesoporous B-SBA-15-SO3H Acid Catalyst and Application to Methyl Propionate Esterification
(Polish Acad Sciences Inst Physics, 2017)Organic functionality can be added to mesoporous silicates in two ways: either by covalent grafting (postsynthetic) of various functional groups onto the channel walls or by incorporating functionalities directly during ... -
Magnetic Mesoporous Silica Nanocomposite for Biodiesel Production
(Polish Acad Sciences Inst Physics, 2017)Ordered mesoporous silicas can be utilized as support because of having large surface area, tunable porosity, uniform pore size distribution, high thermal stability and modifiable properties. However, these materials ... -
Investigation of the influence of initial powder size on the optical properties of Dy-alpha-SiAlON ceramics fabricated by gas pressure sintering
(Elsevier Sci LTD, 2017)Translucent Dy3+ doped alpha-SiAlON ceramics were successfully fabricated by the gas pressure sintering (GPS) method. The efficacy of this sintering technique also the affects initial particle size on densification, final ... -
Textured alpha-SiAlON ceramics via templated grain growth
(Trans Tech Publications LTD, 2007)In this study, textured alpha-SiAlON ceramic was produced by templated grain growth process. In order to enhance the alignment of the seeds, gated tape casting arrangement was utilized. Y-Ce codoped seeds were synthesized ... -
Resonant Inspection of Ceramic Tiles
(Trans Tech Publications LTD, 2013)For as long as there have been metal, steel and other materials, there have been methods and ways to inspect them. The efforts to improve these methods continue to be a work in progress. Non-destructive techniques are ... -
Role of alpha-SiAlON nuclei addition on the rod-like y-sm alpha-SiAlON formations
(Trans Tech Publications LTD, 2007)In this study, effect of seed addition on the microstructural development of Y-Sm alpha-SiAION system has been investigated. Besides using pre-produced rod-like alpha-SiAION seeds, growth in the glassy phase and harvested ... -
Optimization of the optical properties of alpha-SiAlON through a decrease in starting powder size
(Elsevier Sci LTD, 2015)In the present work, the effects of initial powder size on the sintering behavior and optical properties of Dy-alpha-SiAlON ceramics produced by the SPS technique are investigated. The powders were prepared using high ... -
The production of beta-SiAlON ceramics with low amounts of additive, at low sintering temperature
(Elsevier Sci LTD, 2010)In the present work nano-sized powder of beta-SiAlON was produced using a wet milling process. Different milling times and mediums (methyl ethyl keton, ethanol and toluene as solvents, polyethyleneglicol, oleic acid, sodium ... -
Spark Plasma Sintering of Translucent Dy-Y Doped alpha-SiAlON: Study of Sintering Parameters Influence on the Optical Properties by Using Taguchi Method
(Polish Acad Sciences Inst Physics, 2017)The Taguchi approach was applied to optimize optical properties of Dy-Y doped alpha-SiAlON ceramics produced by spark plasma sintering technique. L'16 experimental design was formed according to orthogonal array. Four ... -
Densification of Sr-Mg doped SiAlONs with GPS and SPS
(Trans Tech Publications LTD, 2007)At temperature above 1200 degrees C, the thermal stability of alpha-SiAlON phases has been debated since 1992; however, it has been discussed if any alpha-SiAlON phase can be formed in Ce, La, Eu and Sr-doped SiAlON systems. ... -
Using de-watering sieve waste of borax to enhance the properties of floor tile
(Minerals, Metals & Materials Soc, 2006)Incorporation of de-watering sieve waste of borax (TSW) from Etibor Kirka Borax Company (Turkey) on the mechanical and physical properties of a commercial floor tile composition was investigated. In order to achieve this ... -
Utilizing of borax solid wast es in roof tile and brick bodies
(Minerals, Metals & Materials Soc, 2006)Boron minerals are widely employed in various fields such as ceramic, glass, cement, metallurgy, etc. Although boron deposits of the world are limited, the production level of boron-based products is continuously increased. ...
