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Online since: October 2011
Authors: Muhammad Helmi Abdul Kudus, Hasmaliza Mohamad, Md Akil Hazizan
Tian, A carbon nanotube-alumina network structure for fabricating epoxy composites.
Liu, A carbon nanotube/alumina network structure for fabricating alumina matrix composites.
Industrial & Engineering Chemistry Research, 1988. 27(3): p. 429-434
Industrial & Engineering Chemistry Research, 1988. 27(6): p. 926-929.
Online since: January 2009
Authors: Maria Heidenblut, Manfred Essig, Berthold Ferstl, Andreas Klipp
The IPA rinse step necessary for hydroxylamine chemistry - to avoid critical pH increase - could be omitted with the Inosolv usage.
In order to differentiate between sidewall and top-bottom residues a special test structure with a 5 mm x 5 mm field of parallel Al-lines was used and examined in a perpendicular and parallel view at different incident beam angles.
Figure 3 shows sidewall structures after the two different DSQ strip processes.
A procedure for successful cleaning of a worst case cleaning application with ESH- and cost-friendly aqueous remover chemistry was demonstrated.
Online since: February 2008
Authors: Zhong Ping Yao, Zhao Hua Jiang, Hui Ling Liu, Yan Li Jiang
China 2 Dept. of Applied Chemistry; Harbin Institute of Technology, Harbin 150090, P.R.
China 3 Dept. of Life Science and Chemistry, Harbin University, Harbin 150086, P.R.
The structure and the composition of WO3-TiO2/Ti catalyst film and its photocatalyst activity in visible light were also investigated.
Structure and composition of the catalyst film.
Online since: December 2018
Authors: Wasan R. Saleh, Afnan H. Al-Husseini, Abdulkareem M.A. Al-Sammarraie
The morphology, structure and optical properties of the MWCNTs film were characterized by SEM and UV-Vis. spectra techniques.
It observes that the CNTs film composed of randomly entangled structures which look like spaghetti.
SEM measurements show that the network composed of randomly entangled structures which look like spaghetti.
Journal of Materials Chemistry A 2014; 2: 5573–5579
Materials Chemistry and Physics 2011; 125: 351–357
Online since: October 2014
Authors: Yu Qin Li, Wei Feng He, Guang Yu He, Yan Chai
Effect of Laser shock peening on the Structure and Prosperity of K403 Alloy CHAI Yan1, a, HE Weifeng1,b, HE Guangyu1,c, LI Yuqin1,d 1Science and Technology on Plasma Dynamics Laboratory, Air Force Engineering University, Xi an 710038, China achaiyan1026@163.com, bwfenghe@163.com,chegy_22@126.com, dyuqin511@163.com Keywords: laser shock peening (LSP); K403 alloy; microstructure; microhardness; residual stress; surface roughness Abstract.
Experiment materials Samples is cut from the blade made of K403 alloy to be used to carry on experiment studies and the Chemistry composition of K403 alloy is showen in table1.
Table 1 Chemistry composition of K403 alloy(%) C Cr Co W Mo Al Ti Fe Ni 0.11~0.18 10.0~12.0 4.5~6.0 4.8~5.5 3.8~4.5 5.3~5.9 2.3~2.9 ≤2.0 Remaining Experiment process K403 alloy blades are laser shock peened in YLSS-40 LSP equipment, and the technology parameters are: absorbed and protected layer is aluminium foil, confined layer is water, laser wavelength is 1064nm, laser pluse is 20ns, laser power density is2.38 GW/cm2, frequency is 1Hz, LSP times is 2, laser covering rate is 60%.
Online since: August 2021
Authors: Ojiyed Tegus, Narandalai Byamba-Ochir, Battseveen Buyankhishig, Enkhtuul Surenjav, Nemekhbayar Davaadorj, Zhi Qiang Song
The preparation of the silver particles with 30-80 nm in size showed a highly crystalline structure identified by XRD and TEM observations.
The XRD pattern changes to that of a single phase of metallic silver (Ago) with the centered cubic crystal structure at over the 400oC.
The high-intensity peak located at 2 corresponds to the diffraction of (111) lattice plane of the face-centered cubic structure of Ag particles.
At the reaction time of 30 minutes was revealed crystallization of pure silver particles with a face-centered cubic crystal structure.
Chemistry 1 (2018) 1-9
Online since: January 2010
Authors: Tomasz Goryczka, Henryk Morawiec, Edward Rówiński, Józef Lelątko, F. Stergioudis, Zdzisław Lekston, Antoni Winiarski
Surface Structure of NiTi Alloy Passivated by Autoclaving H.
Depending on the passivation method, the surface chemistry and the amount of nickel may vary over a wide range [4,5].
The aim of this work was to obtain a thin amorphous TiO2 oxide film on the Ni-Ti surface during sterilization and compare its structure and amount of nickel on its surface after boiling in water and autoclaving in steam.
The structures of the surface and sublayers were studied using the X-ray photoelectron spectroscopy method (XPS).
 The XPS studies show the inhomogeneous structure and a different amount of the phase in the passivated NiTi surface, depending on the sterilization parameters
Online since: August 2021
Authors: Olusola Olaitan Ayeleru, Sisanda Dlova, Peter Apata Olubambi, Feyisayo Victoria Adams, Messai A. Mamo
Nanotechnology emerged because of interest in the chemistry of carbon.
When the images were taken at 200 nm, a round structure like a woven ball was observed.
The lattice fringes signifies crystalline structure [29].
The structure of the MWCNTs was found to be crystalline structure through XRD.
Journal of Materials Chemistry, 2011. 21(40): p. 15872-15884
Online since: September 2014
Authors: Olga I. Slavgorodskaya, Yuliya P. Ustimenko, Olga S. Kukurina
Results and Discussion The molecular structures of the initial and oxidized PRs are shown in Fig. 1 and Fig. 2.
The presence of new peak in 1000 – 1070 cm-1 range favors the ether groups in the structure.
The molecular weight increasing indicates the appearance of new functional groups in the molecular structure.
Chemistry and Chemical Thechnology.
Ecologycal chemistry and Engineerings.
Online since: July 2013
Authors: Tohru Yamasaki, Makoto Nakanishi, Jun Takada, Tatsuo Fujii, Tatsuya Nakamura, Takeyuki Kikuchi, Yasunori Ikeda, Takuya Tainaka
All peaks can be indexed to the Z-type structure with the space group P63/mmc.
It is speculated that the site preference of Zn2+ in Z-type structure is different from that of Co2+ as well as in other hexagonal ferrites.
This result of magnetization indicates the difference of magnetic structure between Sr3Zn2Z and Sr3Co2Z, and confirms the difference of site preference of Zn2+ and Co2+ in Z-type structure.
It was reported that the M-H curve of the Sr3Co2Z in the low magnetic field at room temperature indicates the occurrence of the spiral spin structure (transverse conical spin) which is origin of the ME effect [1].
Therefore, Sr3Zn2Z ferrite may also have the spiral spin structure.