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Online since: January 2017
Authors: Elena Yu. Maksimova, Nikolay A. Apanovich, Alexandra V. Borovkova, Egor I. Kavokin, Ludmila A. Onosova, Sergey L. Koryakin, Natalia E. Sherstneva
The most important physical and chemical properties of composite materials are determined by the structure the adsorption layer [4, 5].
Degree of Association (size, shape, structure strength) in solution depends on the concentration of the oligomer in solution.
Thus, with increasing temperature increases the mobility of the macromolecules oligomer, intermolecular bonds in associative structures is destructing, along with the destruction of coagulation-flocculation structures of the pigment.
Obviously, changing its viscosity is caused not only by the presence of associative structures of film-forming agent, but also the behavior of coagulation-flocculation structures.
Advances in chemistry and chemical technology.
Online since: September 2018
Authors: Muhammad Aftab Akram, Sofia Javed, Rahim Jan, Mohammad Mujahid, Ramsha Khan, Adeel Riaz
These structures have been prepared to enhance its photo-generation of electrons and creating a red shift in absorption spectrum[14].
Among TMDs, MoS2[16] has been exploited recently as it has a graphene-like 2D structure, is chemically stable, and shows excellent photocatalytic properties.
Diebold, Structure and properties of TiO2 surfaces: A brief review, Appl.
Jung, Structure Related Photocatalytic Properties of TiO2, Bull.
Zhang, The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets, Nat.
Online since: October 2016
Authors: Alexander Pesin, D.O. Pustovoytov
High-ratio differential speed rolling (HRDSR) is a process of severe plastic deformation (SPD) that can be used to improve the structure and properties of aluminum alloys.
Conventional approaches to increasing strength properties of aluminum alloys based on modification of their chemistry by alloying and on development of heat treatment and thermomechanical treatment methods are almost exhausted.
Since the HRDSR is a continuous process, it has great potential for industrial production of ultrafine grain structure aluminum alloys.
The grain structure and the through-thickness texture gradient produced by the different deformation routes (UD, RD, TD and ND) of HRDSR were experimentally investigated in [13].
The differences in the mechanical behavior were explained by the edge/screw character in the dislocation structure.
Online since: May 2016
Authors: Charusporn Mongkolkachit, Thanakorn Wasanapiarnpong, Khemmakorn Gomonsirisuk
The XRD and SEM were used to study phase crystal structure and morphology of the composite.
Activated carbon is known as a great adsorbent which widely be used for phenolic compound removing and zeolite is another low cost and good phenol adsorption in its micro pore structure [3].
The phase and crystal structure were studied by X-Ray diffraction (XRD, Bruker model D8) using Cu Kα radiation (λ = 1.5406 Å) at 40 kV and 40 mA.
Another composite (1SC:1Z) showed both NaA-zeolite crystal structure and dominant quartz peak at 27° from Suratthani oxidation firing at 650°C.
Lee, Phenolic Resin Chemistry and Proposed Mechanism for Thermal Decomposition, in: Non Metallic Materials and Processes Branch, Ceramics & Ablatives Engineering, Jacobs Technology, NASA Marshall Space Flight Center, 2007, pp. 1-39
Online since: December 2014
Authors: A Juan Yue, Jun Liang, Li Li
Template-Free Hydrothermal Synthesis of Octahedral Fe3O4 Microcrystals and Its Magnetic Property Li Li*, Ajuan Yue, Jun Liang College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, P.
Therefore, a simple, rapid, and eco-friendly method is expected for its synthesis of materials with special surface structure and orientation Magnetite (Fe3O4) is an important ferrite which has a cubic inverse spinel structure.
However, most synthetic processes require either a surfactant or an organic structure-directing agent.
We observe that, the Fe3O4 synthesized in this work possesses an octahedral structure.
On the other hand, the crystal structure analysis showed that magnetite adopts a face-centered cubic crystal structure, and the shape of an fcc nanocrystal is mainly determined by the ratio of the growth rate in the (100) direction [30].
Online since: January 2014
Authors: Dorota Kocańda, Stanisław Mroziński, Janusz Torzewski, Janusz Mierzyński
For most steels, white surface layers have an austenitic-martensitic structure of low dispersivity of the structure with grain sizes smoothly changing towards the base.
In the subsurface layer of the steel, there was observed grain size reduction in the structure to the sizes of 20-50 nm.
Images of a plastically deformed surface layer of the S235JR steel after surface treatment (a), with the structure reduced in size in the surface layer (b), the structure of plastically deformed martensite in the area of the white layer.
Tests on the structure of the surface layers of specimens conducted on transverse and longitudinal (in relation to the direction of the working tool feed) micro-sections displayed a diversified structure and varying granularity of the steel at particular depths of the surface layer of the steel.
Kovove Mater. 47 (2009) 101-107 [8] Zhou C., Yang X., Luan G., Investigation of microstructures and fatigue properties of friction stir welded Al-Mg alloy, Materials Chemistry and Physics, 98 (2006) 285-290
Online since: February 2019
Authors: Gennady G. Mikhailov, Igor V. Bakin, Valery A. Golubtsov, Ivan V. Ryabchikov, Ludmila E. Dresvyankina
These modifiers allow to influence both the metal structure and the shape, phase composition and physical properties of nonmetallic inclusions.
Structure of nonmetallic inclusions containing strontium.
Structure of nonmetallic inclusions containing oxides and sulphides of active elements.
Poznyak, Structure formation and formation of the properties of steels and alloys, Kiev, Naukova Dumka, 1993
Harrington, Purification of the Rare Gases, Industrial and engineering chemistry, Ind.
Online since: October 2016
Authors: Cosimo Carfagna, Giuseppe Cesare Lama, Gennaro Gentile, Marino Lavorgna, Veronica Ambrogi, Pierfrancesco Cerruti
Moreover, the obtained nanocomposites have been characterized by morphological analysis, differential scanning calorimetry, thermomechanical analysis and X-ray analysis in order to clarify the effect of the nanofiller on the structure and shape memory properties of the materials.
Moreover, the influence of modified MWCNT on the structure and properties of the nanocomposites has been clarified by morphological analysis, differential scanning calorimetry, thermomechanical analysis and wide angle X-ray scattering analysis.
Finally, this research has allowed clarifying the structure property relationships in these new LCE nanocomposite systems.
Lu, Recent advances in shape–memory polymers: Structure, mechanism, functionality, modeling and applications, Progress in Polymer Science, 37, 1720–1763 (2012) [3] C.
Mather, Review of progress in shape-memory polymers, Journal Material Chemistry, 17, 1543–1558 (2007) [4] M.
Online since: October 2013
Authors: Karuppannan Rokesh, Alagarsamy Pandikumar, Kandasamy Jothivenkatachalam
Dye Sensitized Solar Cell: A Summary Karuppannan Rokesh1, Alagarsamy Pandikumar2 and Kandasamy Jothivenkatachalam1* 1Department of Chemistry, Anna University-BIT Campus, Tiruchirappalli-620024, Tamil Nadu, India 2School Centre for Photoelectrochemistry, School of Chemistry, Madurai Kamaraj University, Madurai-625021, Tamil Nadu, India *E-mail: jothivenkat@yahoo.com Keywords: Dye sensitized solar cells, Photoanodes, Sensitizers, Electrolytes, Counter electrodes.
So the structure of semiconductor electrode was designed properly [41].
All organic donor- acceptor dyes are attained high extinction coefficient from their structural properties relationship known from basic dye chemistry [79].
Simplified structure design of dye may allow negative dipole moment of dye.
Lund, Industrial sheet metals for nanocrystalline dye-sensitized solar cell structures, Sol.
Online since: September 2013
Authors: Takeshi Tanaka
Polishing Technology and Phenomena of The Inner/Outer Surfaces of Small Cup-Type Nickel Tube -Study of Ultraviolet-Ray Aided Machining- Takeshi Tanaka1, a 1Ritsumeikan University, Research Organization of Science and Technology 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577 Japan attakeshi@se.ritsumei.ac.jp Keywords: Quantum chemistry, electron, hole, ultraviolet-ray exciting, photocatalyst, luminous dye, metal surface treatment, polishing, cup-type nickel tube Abstract.
The water-soluble luminous dye (a chemical structure of cathilon is deleted here (see the references of [2-4])) was applied for polishing copper by mixing the substances of titanium dioxide or aluminum oxide.