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Online since: May 2020
Authors: Shu Ling Zhang, Wei Ye Chen, M.K. Qiu, W.L. Liu, Yong Chuan Yu
Therefore, Ti-based alloys have been more and more widely used in aviation, aerospace, chemistry, shipbuilding and other industrial sectors [11].
The as-cast alloys generally had typical structures such as lamellar structure and equiaxed structure.
It is found from Fig. 7(b) and (c) that theα' phase is widely distributed on the β matrix, and exhibits a needle-like structure and a partially mixed structure which are arranged in parallel.
Compared with the thin ribbon structure obtained at 2000 rad/min, α' phase is significantly increased with α′′ phase.
The α' phase is a hexagonal structure, and the α" is a rhombic martensite.
Online since: March 2019
Authors: Esther Titilayo Akinlabi, Oluseyi Philip Oladijo, Akinsanya Baruwa, Jeff Chinn, Stephen Akinwale Akinlabi
The aim of this research is to investigate three different silanes newly formulated and to ascertain the capacity and integrity of their structures.
This adsorption is an indication that the structures of the silane film or coating are intact and exert a protective layer on the AISI 304 substrate.
EIS was used to determine the best among the three silanes as the FTIR and XRD investigation did not reflect any disparity in the chemical components and structure.
The XRD and FTIR results show that all the hydrophobic silane films are chemically stable in elementary composition and structure.
Coatings Technol., 321 (2017) 36–44 [24] Pedersen H and Elliott S D, Studying chemical vapor deposition processes with theoretical chemistry Theor.
Online since: May 2011
Authors: S.K. Sharma
These are interesting model systems for carrying out research investigations in non-crystalline atomic structures.
It is generally believed that amorphous alloys have excellent oxidation and corrosion resistance due to their chemically homogeneous structure and the absence of crystal-like defects like dislocations or grain boundaries in them.
In this case it was suggested that the more open structure of the glassy specimen than that of the nanocrystalline specimen appears to facilitate a higher degree of oxygen diffusion into the glassy alloy leading to greater oxidation tendency [62, 65, 70].
Kulik T: Materials Chemistry and Physics Vol. 116 (2009), p. 631 [48] S.
Gong Duh: Journal of Electroanalytical Chemistry Vol. 618 (2008), p. 45 [95] Shubhra Mathur, Rishi Vyas, K.
Online since: February 2019
Authors: Aleksandr Vasilyevich Pitukhin, Sergey Borisovich Vasilyev, Nikolai Gennadievich Panov
The structure and properties of this shungite are studied and described in the work [11].
Spreading over the entire volume of the material, it leads to the formation of the reinforcing structure.
This can be explained by the difference of structures: one-ply particle board can be considered a quasi-homogeneous structure, while three-ply one is a heterogeneous structure.
Their orientation in space leads to heterogeneity of the structure.
Wood chemistry.
Online since: July 2006
Authors: John Campbell, Murat Tiryakioğlu
Introduction The past decade has witnessed a series of impressive attempts to model the structure of cast metals and alloys [1].
In particular, dendrites have been modeled in some detail [2], and results of the grain structure of castings have led to increased understanding of the mechanisms that control structures of castings.
The impression is thereby created that the new fine-grained structure is responsible for the improved properties.
Thus structure and properties can be strongly influenced by the prior history of the melt, and the pouring of the casting.
Walker, in: The Physical Chemistry of Process Metallurgy Part 2 edited by G.R.
Online since: September 2021
Authors: Diana M. Khakulova, Azamat L. Slonov, Muslim A. Mikitaev, V.A. Borisov, Ismel V. Musov
In this regard, carbon-containing fillers are mostly used as electrically conductive fillers in polymer chemistry, which are available, technologically advanced, and more promising.
CNTs particles are actively involved in the formation of chain structures by the filler, increasing the number and efficiency of conductive paths in the polymer matrix.
In turn, this leads to the destruction of conductive chain structures and the disruption of pathways.
Li, Preparation and properties of carbon black / polymer composites with segregated and double-percolated network structures.
Zhang, Structure d Applications of CB / Crystal Fluoride Resin Allou in Self-Regulated Heating Cables.
Online since: January 2006
Authors: Bengt Gunnar Svensson, J.S. Christensen, Alain Portavoce, Andrej Yu. Kuznetsov, Patrick Gas, Isabelle Berbezier, Antoine Ronda
The structures under tensile strain were grown for epitaxy on a relaxed Si0.81Ge0.19 buffer.
Fig. 1 is a schematic presentation of these different structures.
Schematic presentation of the structures grown by MBE on Si(001).
For the type 1 structure, the Si1−xGex layer is under biaxial compressive stress.
Furthermore, the combined effects of chemistry and stress lead to the decrease of the B diffusivity in Si1-xGex layers in epitaxy on Si substrates.
Online since: January 2014
Authors: A. Mohd Fadzil, M.S. Muhd Norhasri, M.S. Hamidah
The recent application of nano materials was dominantly utilized by physician and scientist for physics and chemistry research.
A unique structure of metakaolin can be seen from the distribution of metakaolin particles.
Metakaolin is found to had a platey structure and sharpen through the edge.
Figure 3.0 shows the particle structure of nano metakaolin.
The structure of nano metaclay was curly and forms like a fibre reinforced structure.
Online since: September 2013
Authors: Endyas Pratitajati, Azwar Manaf
This event would lead to its magneto resistance behaviour while still maintain its crystal structure.
It was shifted lattice parameter but still maintaining crystal structure type.
Peaks when x = 0.25 (Fig. 1) were typically contributing to perovskite structure type.
Then the volume lattice was calculated for hexagonal crystal structure of BMO-phases.
Li: Attractive microwave-absorbing properties of La1-xSrxMnO3 manganite powders, Materials Chemistry and Physics, Vol. 75, (2002), p. 101-104
Online since: July 2012
Authors: Fei Wang, Lin Jing Ma, Ming Ming Cheng, Chao Fan
The electrospun TiO2 electrode could be efficiently penetrated by a viscous polymer gel electrolyte because of its porous structure.
Template synthesis method The template synthesis method is a simple way of the synthesis of new nanometer structural materials, which can make conductive polymers, metals, carbon and other nanomaterials of tubular structure or fibrous structure.
After BMPP/polyaniline core–shell nanofibers were washed with ethanol as good solvent to remove BMPP cores, polyaniline nanotubes with netlike structures were obtained.
The core/shell structures of BMPP and polyaniline endowed BMPP/polyaniline core–shell nanofibers good electrochemical properties compared with BMPP nanofibers.
Nodasaka, et al.: Journal of Solid State Chemistry, Vol. 182 (2009), p. 1587 [10]X.