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Online since: July 2015
Authors: Mohd Khairul bin Ahmad, Jais Lias, Noor Sakinah Khalid, Soo Ren How
However at 450°C, the number of crystallite particles started to decrease and it become less densely packed.
The variation of transmittance due to the optical scattering by surface morphology and grain boundaries of FTO in this study [11]. 400°C 400°C 300°C 350°C 450°C Figure 2 Variation of transmittance with wavelength for spray deposited FTO thin films at different deposition temperature.
The variation of transmittance due to the optical scattering by surface morphology and grain boundaries of FTO in this study [11]. 400°C 400°C 300°C 350°C 450°C Figure 2 Variation of transmittance with wavelength for spray deposited FTO thin films at different deposition temperature.
Online since: December 2016
Authors: Md Abdul Aziz Antor, Ahmed Sharif, M.A. Gafur, Md Rakibul Qadir, Roisul Hasan Galib, Md Ashif Anwar
A number of candidate alloys have been proposed as alternative solders to high temperature high lead solders.
SEM images of a) Pure Zn, b) Zn-0.5Mg, c) Zn-1Mg, d) Zn-2Mg, e) Zn-5Mg and f) Zn-7Mg Pure Zn showed moreover homogenous grains.
SEM images of a) Pure Zn, b) Zn-0.5Mg, c) Zn-1Mg, d) Zn-2Mg, e) Zn-5Mg and f) Zn-7Mg Pure Zn showed moreover homogenous grains.
Online since: July 2019
Authors: Guillaume Kermouche, Hussein Hammoud, Olga Matts, Alexey Sova, Zineb Bensaid, Helmut Klöcker, Cédric Bosch, Nathalie Texier-Mandoki
Before spraying, the surfaces of the substrates were treated by grit blasting (Mesh 14 grains of alumina at 10 bars as stagnation pressure in the jet).
Spraying parameters used for copper-silicon carbide deposition Strategy Nozzle traverse speed (mm/s) Number of layers Hatch distance (mm) Gas pressure (bar) Gas temperature (°C) Spray distance (mm) Slow 5 2 2 35 500 30 Fast 20 8 The resulting thickness of deposits was 16 mm that corresponds to 8 mm per layer for slow strategy and 2 mm per layer for fast strategy.
Spraying parameters used for copper-silicon carbide deposition Strategy Nozzle traverse speed (mm/s) Number of layers Hatch distance (mm) Gas pressure (bar) Gas temperature (°C) Spray distance (mm) Slow 5 2 2 35 500 30 Fast 20 8 The resulting thickness of deposits was 16 mm that corresponds to 8 mm per layer for slow strategy and 2 mm per layer for fast strategy.
Online since: June 2018
Authors: Raghuvir Singh, Charu Singh, S.K. Tiwari
Large numbers of reports are available on Ni-P coatings and its heat treatment, the effect of heat treatment of magnesium alloy on the electroless Ni-P coating behavior is yet to be established [8-10].
The eutectic α + β phase is present along the grain boundary.
The eutectic α + β phase is present along the grain boundary.
Online since: February 2012
Authors: Qi Zhou, Xiu Lian Cheng, Guang Sen Zhang, Hong Yan Liu
There are a number of small raised particles on the surface of paint film on chemical conversion coatings, the surface is not as smooth as electrochemical method (see Fig.3(c) and (d)).
Add complexing agent DNS into electrochemical solution to slim the coating grains.
Add complexing agent DNS into electrochemical solution to slim the coating grains.
Online since: April 2009
Authors: Ying Cheng Hu, Bing Xue
LVL is a structural material laminated with
multiple thick veneers parallel the grain, and exploits a broad space for its development in the area of
structural materials for its good mechanical properties.
The layer numbers of LVL were 12-ply for the birch veneers of 2.6 mm thickness, 11-ply for the birch veneers of 3.0 mm thickness, 9-ply for the birch veneers of 3.4 mm thickness and 11-ply for the poplar veneers of 3.0 mm thickness The test specimens with dimension of 575×90×25 mm were tested under the vertical load, and the test specimens with dimension of 575×25×25 mm were also tested under the parallel load.
The layer numbers of LVL were 12-ply for the birch veneers of 2.6 mm thickness, 11-ply for the birch veneers of 3.0 mm thickness, 9-ply for the birch veneers of 3.4 mm thickness and 11-ply for the poplar veneers of 3.0 mm thickness The test specimens with dimension of 575×90×25 mm were tested under the vertical load, and the test specimens with dimension of 575×25×25 mm were also tested under the parallel load.
Online since: October 2016
Authors: Anastasia Aleksandrovna Filatova, Evgenia Yurievna Dolzhikova, Steffen Nowotny, T.V. Tarasova
Both in scientific studies and in practice, the number of powder material properties that influence constant and strict reproducibility of characteristics in the manufacture of consolidated products using the methods of selective melting using electronic and laser radiation is constantly expanding.
The dispersion (grain size) for powder materials PR20H13 and PR12H18N9T were determined using a Occhio500nano image analyzer manufactured by Occhio SA (Belgium) using the static image analysis technique in accordance with ISO 13322-1:2014 as shown in Fig. 1.
The dispersion (grain size) for powder materials PR20H13 and PR12H18N9T were determined using a Occhio500nano image analyzer manufactured by Occhio SA (Belgium) using the static image analysis technique in accordance with ISO 13322-1:2014 as shown in Fig. 1.
Online since: March 2011
Authors: Zhi Meng Xiu, Xiao Wu Li, Xue Zhang
Currently, various preparation methods of biocomposites of Si-substituted HAp were developed [5-9], and it was found that Si-HAp has a higher bioactivity than HAp, because of its higher triple-junctions grain density, leading to increasing dissolution rate of the implant, thereby speeding up the interface of bone regeneration [10].
Since such biocomposites contain CaO, it is easily hydrolyzed to form a large number of Ca2+, which are attached to the sample surface and the amorphous apatite products by the hydration reaction of Ca4O(PO4)2.
Since such biocomposites contain CaO, it is easily hydrolyzed to form a large number of Ca2+, which are attached to the sample surface and the amorphous apatite products by the hydration reaction of Ca4O(PO4)2.