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Journal articles on the topic 'Deposito ATR'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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1

Jayalakshmi, M., and Bhat K. Udaya. "Effect of Nickel Sulphate to Hypophosphite Ratio on the Electroless Deposition of Ni-P Coatings on Aluminium." Advanced Materials Research 875-877 (February 2014): 1300–1305. http://dx.doi.org/10.4028/www.scientific.net/amr.875-877.1300.

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Electroless Ni-P alloy was deposited on commercial pure aluminium with different nickel source–reducing species ratios. Deposition time was fixed as two hours. The deposits were characterised for changes in morphology and crystallinity. It was observed that increase in nickel source to reducing species ratio produced a deposit with reduced mean nodule size. Also, nodule size distribution was narrow. Deposits with increased ratio showed higher levels of crystallinity

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2

Xie, Zhi Yong, Rui Xuan Tan, Jian Qin Li, and Qi Zhong Huang. "Isotropic Pyrolytic Carbon Fabricated by Developing Self-Heating Plates Chemical Vapor Deposition." Advanced Materials Research 284-286 (July 2011): 589–96. http://dx.doi.org/10.4028/www.scientific.net/amr.284-286.589.

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Isotropic pyrocarbon was deposited on self-heating plate at 1100°C and atmospheric pressure via a novel deposition reactor. Two graphite papers were mounted horizontally in chemical vapor deposition furnace, which were used as self- heating plates with alternating current flowing through them. And the upper surface of the lower self-heating plate also was used as substrate of pyrocarbon deposition. The microstructure of the deposit was investigated by polarized light microscopy, scanning electron microscope, transmission electron microscopy and laser Raman spectra, respectively. The results sh

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3

Iyer, Rajkamal, and Manju Puri. "Understanding Bank Runs: The Importance of Depositor-Bank Relationships and Networks." American Economic Review 102, no. 4 (2012): 1414–45. http://dx.doi.org/10.1257/aer.102.4.1414.

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We use unique depositor-level data for a bank that faced a run to understand the factors that affect depositor behavior. We find uninsured depositors are most likely to run. Deposit insurance helps, but is only partially effective. Bank-depositor relationships mitigate runs, suggesting that relationship with depositors help banks reduce fragility. In addition, we also find that social networks matter. Finally, we find long-term effects of a solvent bank run in that depositors who run do not return back to the bank. Our results help understand the underlying dynamics of bank runs and hold impor

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4

Sun, Shuo, Bo Su, and Wei Shi. "Electroless Nickel-Phosphorus Plating on TiB₂ Powder." Advanced Materials Research 690-693 (May 2013): 2149–54. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.2149.

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Electroless deposition technique was used to coat Ni-P on TiB2 particles by activating the TiB2 powder in a furnace at 400 ◦C for 1 h. Scanning electron microscopy images and EDS spectra before and after electroless nickel plating confirm that nickel is deposited on the surface of TiB2 particles. With the increase of heat treatment temperature, coating weight is increased firstly and then decreased, and reached the maximum value at 400 ◦C. XRD results show that the Ni-P deposit was predominantly amorphous. However, after heat treatment, the metallic deposits can easily transform into crystalli

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5

Pei, Dian Fei, Sheng Jun Miao, Guan Lin Huang, and Han Chen. "Study on Lognormal Distribution Characteristics of a Hydrothermal Gold Deposit Mineralization in Jiaodong Peninsula, China." Advanced Materials Research 803 (September 2013): 289–94. http://dx.doi.org/10.4028/www.scientific.net/amr.803.289.

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As one of the most important type of gold deposits, hydrothermal gold deposit has become the hot research area of mineral deposits at present and for a long time to come because of its great economic value and ore-prospecting potentials. Mathematical statistics on mineralization abundance, including grade and linear productivity, of a hydrothermal gold deposit in Jiaodong Peninsula, were done. The results show that mineralization abundance of the hydrothermal gold deposit follows lognormal distribution which is consistent with traditional research findings, which have academic significance for

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6

Yue, Wei Hao, and Jian Guo Gao. "The Deposit Features and Comprehensive Information Prospecting Model of Mengyejing Potash Deposits in Yunnan Province." Advanced Materials Research 588-589 (November 2012): 2136–39. http://dx.doi.org/10.4028/www.scientific.net/amr.588-589.2136.

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Mengyejing potash deposit lies in brown-red and variedness salting-in nagelfluh formation of Cenozoic Mengyejing formation which is located at the back-foreland basin of Lanping-Simao bidirectional arc zone, and it is one of the few large-scale solid potash deposits in China. By integrated study systematically, Mengyejing Potash Deposit’s different scales of mineralization geological anomalies information:geological, geophysical, geochemical, and salt spring chemistry and remote sensing were extracted. A comprehensive information prospecting model of Mengyejing potash deposit is established. T

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7

Peng, Zi Long, Zhen Long Wang, and Bai Dong Jin. "Micro-Forming Process and Microstructure of Deposit by Using Micro EDM Deposition in Air." Key Engineering Materials 375-376 (March 2008): 153–57. http://dx.doi.org/10.4028/www.scientific.net/kem.375-376.153.

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Based on analysis of the mechanism of Electrical Discharge Machining (EDM) and the characteristics of deposition processing, the processing conditions of micro EDM Deposition (micro EDD) are determined. Micro EDD is a new EDM method taking air as machining medium, using narrow pulse width, long pulse interval, low discharge current and connecting the tool electrode with the anode of pulse generator. Using EDM shaping machine and brass, tungsten and steel as tool electrode respectively, micro cylinders are deposited on high-speed steel surface. And then the microstructure of deposit is analyzed

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8

Chubenko, Eugene, Alexey Klyshko, Vitaly Bondarenko, Marco Balucani, Anatoly I. Belous, and Victor Malyshev. "ZnO Films and Crystals on Bulk Silicon and SOI Wafers: Formation, Properties and Applications." Advanced Materials Research 276 (July 2011): 3–19. http://dx.doi.org/10.4028/www.scientific.net/amr.276.3.

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In present work the investigation of the electrochemical and chemical hydrothermal deposition processes of ZnO on silicon is presented. The influence of the electrochemical process parameters on the characteristics and morphology of the ZnO deposits is analyzed. Electrochemical deposition from non aqueous DMSO solutions on porous silicon buffer layer is also discussed. The details of the chemical hydrothermal deposition from the nitrate bath of high-quality ZnO crystals on silicon substrate are presented. It was shown that morphology and size of synthesized ZnO crystals depends on the temperat

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9

Fu, Xianghui, Zezong Chen, Xiangyang Xu, Lihua He, and Yunfeng Song. "Deposits in Gas-fired Rotary Kiln for Limonite Magnetization-Reduction Roasting: Characteristics and Formation Mechanism." Metals 9, no. 7 (2019): 764. http://dx.doi.org/10.3390/met9070764.

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The formation mechanism of deposits in commercial gas-fired magnetization-reduction roasting rotary kiln was studied. The deposits ring adhered on the kiln wall based on the bonding of low melting point eutectic liquid phase, and the deposit adhered on the air duct head by impact deposition. The chemical composition and microstructure of the deposits sampled at different locations varied slightly. Besides a small amount of quartz and limonite, main phases in the deposits are fayalite, glass phase and magnetite. The formation of the deposits can be attributed to the derivation of low melting po

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10

Madsen, Steven J., Phillip S. DiGiacomo, Yitian Zeng, et al. "Correlative Microscopy to Localize and Characterize Iron Deposition in Alzheimer’s Disease." Journal of Alzheimer's Disease Reports 4, no. 1 (2020): 525–36. http://dx.doi.org/10.3233/adr-200234.

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Background: Recent evidence suggests that the accumulation of iron, specifically ferrous Fe2+, may play a role in the development and progression of neurodegeneration in Alzheimer’s disease (AD) through the production of oxidative stress. Objective: To localize and characterize iron deposition and oxidation state in AD, we analyzed human hippocampal autopsy samples from four subjects with advanced AD that have been previously characterized with correlative MRI-histology. Methods: We perform scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and electron energy loss spect

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11

Meng, Fan Tao, Shan Yi Du, and Yu Min Zhang. "Characterization of Silicon Carbide Films Prepared by Chemical Vapor Deposition." Advanced Materials Research 177 (December 2010): 78–81. http://dx.doi.org/10.4028/www.scientific.net/amr.177.78.

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Silicon carbide prepared by chemical vapor deposition (CVD) is one of the important candidate materials for space mirror and high-power mirror such as laser mirror, because of its superior performances such as low density, high melting point and homogeneity. In this paper, the SiC coatings were deposited on the substrates of reaction bonded silicon carbide (RB-SiC) by CVD process. Then, the morphologies of the deposits were examined with scanning electron microscopy. The crystalline phase of the as-deposited films was confirmed with X-ray diffractometry. And the adhesion between the CVD film a

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12

Chakaroun, M., A. Saleh, and M. El-Khatib. "Effect of Ion Beam Assisted Deposition technology on the cathode of solar cells." MATEC Web of Conferences 281 (2019): 03009. http://dx.doi.org/10.1051/matecconf/201928103009.

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We realized organic solar cells on ITO anode based on small – molecular materials (CUPC:C60) to be easy to fabricate, cost price, production on large surfaces, efficiency, flexibility and large market of solar panels, but the organic materials are limited by their lifetime. Then, on the ITO we deposited the organic materials by using the vacuum co-evaporation deposition. Cathode is a silver layer to protect the organic layer from the humidity. The penetrations of humidity from the cathode to the organic layer give to organic electronic components a short lifetime, and limit the fabrication of

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13

Wang, Xi Ran, Hui Lu, Ying Wei Zhang, Xin Gang Hu, and Jing Wu. "The Influence of Plating Temperature on the Properties of Electroless Ni-Cu-P Alloys on Aluminum." Advanced Materials Research 189-193 (February 2011): 1096–99. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.1096.

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In this work, the effect of plating temperature on the electroless plating rate and the properties of the electroless Ni-Cu-P deposits was studied. The corrosion resistance, hardness, surface morphology and components of the coating were studied by using electrochemical workstation, digital micro-hardness SEM and EDS. The results show that the optimum plating temperature is 75°C. The deposition rate, hardness and corrosion resistance are all good when the optimal temperature is 75°C. The adhesion between the deposits and the matrix is better. The deposits is smooth and uniformity, smooth by SE

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14

Rodríguez, Hugo H., Gregorio Vargas, and Dora A. Cortés-Hernández. "Electrophoretic Deposition of Wollastonite on 316L Stainless Steel from Different Dispersing Media." Key Engineering Materials 314 (July 2006): 231–36. http://dx.doi.org/10.4028/www.scientific.net/kem.314.231.

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Natural wollastonite was electrophoretically deposited on 316L stainless steel in order to promote a bioactive surface. The effect of the disperse media and the deposition time on the deposit weight and microstructure of the wollastonite coatings was evaluated. The disperse media were methanol, acetone, ethanol, propyl alcohol and the deposition time was in the range of 1 to 180 s. Suspensions were prepared by using wollastonite powder with a mean particle size of 2 μm at a concentration of 1 g/L. The deposition was performed under a DC field of 800 V. The coated substrates were sintered at te

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15

Ryu, Jeong Ho, Soon Yong Kweon, Jung Il Lee, and Sung Lim Ryu. "Quantum Confinement of GaAs Nanocrystals Deposited on PMMA Microspheres Using Pulsed Laser Ablation." Advanced Materials Research 660 (February 2013): 3–9. http://dx.doi.org/10.4028/www.scientific.net/amr.660.3.

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A modified pulsed laser deposition (PLD) was employed to deposit GaAs nanocrystals on the surface of PMMA microspheres. This novel approach is distinguished by the fact that laser ablated materials are deposited uniformly onto the surface of spherical particles that are held constantly in a particle fludization unit. The XRD, SEM, EDX, TEM, EDP and PL results confirmed that cubic structured GaAs nanocrystals were deposited uniformly on the surface of PMMA microspheres with an average diameter of about 15 nm.

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16

Shafura, A. K. S., N. D. Md Sin, Mohamad Hafiz Mamat, S. Ahmad, and Mohamad Rusop Mahmood. "Humidity Sensor Using CVD Deposited SnO₂ Thin Film." Advanced Materials Research 667 (March 2013): 415–20. http://dx.doi.org/10.4028/www.scientific.net/amr.667.415.

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In this paper we address sensitivity of SnO2 thin film deposited by thermal chemical vapor deposition in terms of its behavior towards humidity variations. The structural, optical and electrical properties of SnO2 thin film deposit at different substrate temperature grown by thermal chemical vapor deposition (CVD) are also reviewed. FESEM image reveal smallest particle size of SnO2 at substrate temperature 500°C. Pl measurement shows red shift of SnO2 at substrate temperature 500°C. All thin film performing slightly linear sensitivities towards relative humidity (RH%).

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17

Wu, Shen Jiang, Wei Shi, Jun Hong Su, and Wen Qi Wang. "A Study on the Process of ZnO Thin Films Prepared by Ion Beam Sputtering." Advanced Materials Research 233-235 (May 2011): 2399–402. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.2399.

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Based on the ion beam sputtering deposition technology, we adopted the reactive sputtering deposition method to accomplish the coating on the glass substrata with ZnO thin films. We used the four-factor and three-level L9(34) orthogonal experiment to obtain the best technological parameters of deposited ZnO thin films: discharge voltage 3.5KV, oxygen current capacity 8SCCM, the coil current 8A, the distance between target and substrata 140mm. The purity of the deposited ZnO thin film is 85.77%, and it has the good crystallization in orientation. The experimental results show that research and

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18

Chen, Zhi Gang, Hou Cai Liu, Wen Hui Liu, Zhen Sheng Wang, and Zhen Hua Chen. "Some Studies on Preparation of Large Spray Deposited Aluminium Alloy Tube Preform." Advanced Materials Research 535-537 (June 2012): 964–68. http://dx.doi.org/10.4028/www.scientific.net/amr.535-537.964.

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In this paper, preparation of large spray deposited aluminum alloy tube was investigated. The shape and particle size distribution of over-sprayed powders together with structure of deposits were analyzed. The results show that the over-sprayed powders resulted from particles missing, spurting and rebounding. The particle size distribution was non-standard normal distribution, the particle size of the great majority was within 150μm and the average size was 50μm. The residual pores in deposits came into being when inter-particle space could not be filled with enough liquid during spray deposit

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19

Matzain, Ahmadbazlee, Mandar S. Apte, Hong-Quan Zhang, Michael Volk, James P. Brill, and J. L. Creek. "Investigation of Paraffin Deposition During Multiphase Flow in Pipelines and Wellbores—Part 1: Experiments." Journal of Energy Resources Technology 124, no. 3 (2002): 180–86. http://dx.doi.org/10.1115/1.1484392.

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Results are presented from two-phase flow wax deposition tests using a state-of-the-art, high-pressure, multiphase flow test facility. Wax deposition was found to be flow pattern specific and dependent on the flow velocities of the two-phase fluids. Wax deposition occurs only along the pipe wall in contact with a waxy crude oil. An increase in mixture velocity results in harder deposits, but with a lower deposit thickness. The wax buildup trend at low mixture velocities is similar to that observed in laminar single-phase flow tests. The wax buildup trend at high mixture velocities is similar t

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20

Szymański, Krzysztof, Marek Góral, Tadeusz Kubaszek, and Paulo Cyhlar Monteiro. "Microstructure of TBC Coatings Deposited by HVAF and PS-PVD Methods." Solid State Phenomena 227 (January 2015): 373–76. http://dx.doi.org/10.4028/www.scientific.net/ssp.227.373.

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High velocity air fuel (HVAF) is one of the high velocity flame spraying process (HVFS). The HVAF method employs a combination of liquid fuel mixed in a chamber with compressed air to obtain high velocity flows. This technology can provide high deposition levels, adequate bond strength as well as high dense coating structure. The working principle of Plasma Spray – Physical Vapor Deposition (PS-PVD) is based on evaporation of the ceramic powder, which enables advanced microstructure of the deposits. In this paper, microstructure of Thermal Barrier Coating (TBC) deposited by HVAF and PS-PVD met

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21

Jin, Bai Dong, Wan Sheng Zhao, Guo Hui Cao, Zhen Long Wang, and Kai Xiao. "Fabrication of Micro Structure Using EDM Deposition." Materials Science Forum 532-533 (December 2006): 305–8. http://dx.doi.org/10.4028/www.scientific.net/msf.532-533.305.

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A new deposition method is described using EDM to deposit tool electrode material on workpiece in air. Then by exchanging the polarities the deposited material can be removed selectively, thus micro structure can be fabricated. First, the EDD realized conditions are predicted. Then with ordinary brass, steel and tungsten electrodes and high-speed steel workpiece, EDD experiments are carried out to obtain micro structure in air. With continuous deposition strategy of single cylinder, a HIT character type array made up of 15 micro cylinders is deposited. And micro three-dimensional spiral struct

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22

Lin, Bing Xia, Ming Guo Deng, and Xu Wen Liang. "Characteristic Analysis of Texture and Structure of Ores and Genesis of Luziyuan Pb-Zn Polimetallic Deposit in Zhenkang, Yunnan, China." Advanced Materials Research 734-737 (August 2013): 311–15. http://dx.doi.org/10.4028/www.scientific.net/amr.734-737.311.

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The main ore structure of the deposit include: disseminated structure, emulsion droplet-like structure, banded structure, vein-like structure, the massive structure, brecciated structure, etc.; The main ore texture include: crystalline granular texture, the replacement texture, solid solution separation texture, interstitial texture, etc. According to the ore fabric characteristics and metal minerals and gangue mineral combination, type and shape since the degree and mineral in space analysis of characteristics of the relationship, the mining area can be roughly divided into three periods: sed

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23

Li, Wen Po, Xiu Li Zuo, Jin Hu Liang, Jia Hong He, and Sheng Tao Zhang. "Effect of Acetate on Electrodeposition of Manganese from Chloride Electrolyte with SeO₂ Additives." Advanced Materials Research 937 (May 2014): 193–99. http://dx.doi.org/10.4028/www.scientific.net/amr.937.193.

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This paper deals with manganese electrodeposition from an chloride electrolyte without and with acetate and the resultant deposit properties. The addition of acetate to the plating bath reduces the rate of manganese deposition abserved under cyclic voltammetry and in situ Spectroscopic ellipsometry. The addition of acetate improves the corrosion resistance of the manganese deposits. The XRD pattern obtained for electrodeposited manganese show a pure α-Mn with polycrystalline nature no matter with or without acetate. A uniform and pore free surface was observed under SEM analysis in the two pla

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24

Ennis, Huberto M., and Todd Keister. "Bank Runs and Institutions: The Perils of Intervention." American Economic Review 99, no. 4 (2009): 1588–607. http://dx.doi.org/10.1257/aer.99.4.1588.

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We study ex post efficient policy responses to a run on the banking system and the ex ante incentives these responses create. We show that the efficient response to a run is typically not to freeze all remaining deposits, since doing so imposes heavy costs on some individuals. Instead, once a run is underway, (benevolent) government institutions would allow additional deposit withdrawals, placing further strain on the banking system. When depositors anticipate these extra withdrawals, their incentive to participate in the run increases. In fact, ex post efficient interventions can generate the

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25

Ye, Zhi Guo, Xian Liang Zhou, Hui Min Meng, Xiao Zhen Hua, Ying Hu Dong, and Ai Hua Zou. "The Electrochemical Characterization of Electrochemically Synthesized MnO₂-Based Mixed Oxides for Supercapacitor Applications." Advanced Materials Research 287-290 (July 2011): 1290–98. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.1290.

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Nanostructured elements, including: manganese-molybdenum (Mn-Mo) oxide, manganese-molybdenum-tungsten (Mn-Mo-W) oxide, manganese-molybdenum-iron (Mn-Mo-Fe) oxide, manganese-molybdenum-cobalt (Mn-Mo-Co) oxide, manganese-vanadium-tungsten (Mn-V-W) oxide, manganese-vanadium-iron (Mn-V-Fe) oxide and manganese-iron (Mn-Fe) oxide, have been anodically deposited onto titanium substrates by employing an iridium dioxide interlayer (Ti/IrO2anode). The electrochemical characteristics of the resultant oxide deposits have been investigated by cyclic voltammetry (CV) in an aqueous 0.1 M Na2SO4solution. The

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26

Ju, Yong Tao, Hao Liu, Hui Yong Li, and Yu Han Shi. "Depositional Characteristics and Distribution of Lake-Floor Fan of Paleogene Lower Member 3 of Shahejie Formation in Northwestern Part of Huanghekou Sag, Bohai Bay Basin." Advanced Materials Research 347-353 (October 2011): 1299–305. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.1299.

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The lake-floor fan, as an important deposition of Paleogene in Huanghekou Sag, is characterized with both good physical character of reservoir and oil-bearing property, thus it has higher values for petroleum exploration. The lower Member 3 of Shahejie Formation, rich in sandstone, can be divided into lowstand system tract, extensive system tract and highstand system tracts based on seismic reflection signature, and core and logging data clearly. The sand bodies in the study area belonged to two kinds of lake-floor fan deposition formed under semi-deep-lake to deep-lake environment: deposition

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27

Theerakittayakorn, K., and T. Bunprasert. "Spontaneous Calcium Deposition in the Scaffolds from Human Dermal Solutions." Advanced Materials Research 506 (April 2012): 138–41. http://dx.doi.org/10.4028/www.scientific.net/amr.506.138.

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Human dermis was used as a new source of raw material for tissue engineering scaffold fabrication. Three human dermal solutions were prepared from different fractions after centrifugation and denoted as DS-1, DS-2 and DS-3. Approximately, the ratios of sulfated GAGs to collagen were 0.03, 0.02 and 0.04 for DS-1, DS-2 and DS-3, respectively. Scaffolds from the human dermal solutions and the commercial bovine type I collagen (Sigma®, St. Louis, MO, USA) were fabricated. The scaffolds were submerged in the normal culture medium and the calcium depositions were determined at day 1, 7 and 21. The h

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28

COLLINS, A. BERNARD, EVELINE E. SCHNEEBERGER, MANUEL A. PASCUAL, et al. "Complement Activation in Acute Humoral Renal Allograft Rejection." Journal of the American Society of Nephrology 10, no. 10 (1999): 2208–14. http://dx.doi.org/10.1681/asn.v10102208.

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Abstract. The distinction between acute humoral rejection (AHR) and acute cellular rejection (ACR) in renal allografts is therapeutically important, but pathologically difficult. Since AHR is probably mediated by antibodies to the donor endothelium that activate the classical complement pathway, it was hypothesized that peritubular capillary C4d deposition might distinguish this group. Renal biopsies (n = 16) from 10 patients with AHR who had acute graft dysfunction, neutrophils in peritubular capillaries, and a concurrent positive crossmatch were stained for C4d by immunofluorescence. Control

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Borra, Jean Pascal, A. Valt, Farzaneh Arefi-Khonsari, and Michael Tatoulian. "Polymer Surface Processing by Atmospheric Pressure DBD for Post-Discharge Grafting of Washing-Resistant Functional Coatings." Materials Science Forum 638-642 (January 2010): 524–29. http://dx.doi.org/10.4028/www.scientific.net/msf.638-642.524.

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We present a process for rapid post-discharge deposition of liquid monomer to form functional coatings at atmospheric pressure. The post-discharge polymerization of dense polyacid and polyether coatings is first depicted versus the energy density deposited by the preliminary surface treatment of polyethylene and polystyrene substrates in air Dielectric Barrier Discharge (DBD) with respect to SEM, to XPS and FTIR-ATR analysis and to polymerization yield determined by mass measurements. The paper focuses on the effect of the filamentary air DBD on surface of the polymer substrates and on post-di

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Liu, Yu De, Bo Quan Jiang, and Zheng Qiang Xiao. "Electroless Ni-P-Zn Alloy Deposition on Surface of Low Carbon Steel." Advanced Materials Research 366 (October 2011): 482–85. http://dx.doi.org/10.4028/www.scientific.net/amr.366.482.

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Electroless plating technique was used to deposit Ni-Zn-P alloy on low carbon steel surface. The optimal process conditions for the Ni-Zn-P deposition rate were determined and under which the bath remained stable and the maximum deposition rate reached 14.5×10-5mol/(cm2•h). The optimal technical conditions for the Ni-Zn-P alloy corrosion resistance performance were also determined and under which the ternary alloy obtained the longest corrosion time. The SEM image and XRD pattern showed that the deposited Ni-Zn-P coating exhibited good smoothness, high density, free of defects and was proven t

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31

Wang, Xiao Ming, Sheng Zhu, Qing Chang, Xue Qiang Feng, and Yu Xiang Liu. "Number Modeling of Deformation Behavior for Al-Based Powders Coated on Magnesium Alloy by Supersonic Particles Deposition." Advanced Materials Research 721 (July 2013): 29–32. http://dx.doi.org/10.4028/www.scientific.net/amr.721.29.

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Deposition behavior of Al-Si particles coated on magnesium alloy by Supersonic Particles Deposition (SPD) was investigated by numerical stimulation. The results demonstrated that critical velocity for Al-Si particle to deposit successfully on ZM5 magnesium alloy was about 700m/s; At collision interface, the temperature gradient increased, effective plastic strain change suddenly and stress reduce rapidly to zero. The compression ratio of deposited particles increased. Contacting area at interface enlarged with particle initial velocity increasing. Meanwhile, experimental observation of surface

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Li, Ning, Wei Zeng Chen, Bao De Jing, and Hong Xu. "Preparations and Properties of Amorphous/Nanocrystalline Ni-Mo Alloy Coating Obtained by Electrodeposition." Advanced Materials Research 148-149 (October 2010): 674–78. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.674.

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The amorphous/nanocrystalline Ni-Mo alloys were deposited in alkaline nickel carbonate solution in this paper. It is found that the molybdenum content in the deposit obtained in carbonate solution is to 21.76 at.% with amorphous and nanocrystalline phase structure. Under the same conditions, the amorphous/nanocrystalline alloys are more accessible to be obtained in carbonate solution as the sulfate solution. And the deposits with a tiny internal stress and tiny granules and well-proportioned grains at the substrate were relatively better and easy to be controlled with a better mechanical perfo

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33

Santos, Edson Costa, Katsuyuki Kida, Phil Carroll, and Rui Vilar. "Optimization of Laser Deposited Ni-Based Single Crystal Superalloys Microstructure." Advanced Materials Research 154-155 (October 2010): 1405–14. http://dx.doi.org/10.4028/www.scientific.net/amr.154-155.1405.

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In this paper, results concerning the microstructure of Rene N4 alloy layers produced by laser cladding on oriented CMSX-4 single crystal substrates are presented. The microstructure of the deposits was analyzed in the solidification condition after different temperature/time ageing cycles in order to assess the possibility of improving high temperature strength of laser deposited superalloys. The present work demonstrates that single crystalline deposits of René N4 nickel superalloy can be obtained provided that the deposition direction and the processing parameters are properly selected. The

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Kim, Jiyoung, Chan Hee Lee, Ran Hee Kim, and Eun Jeong Shin. "Characterization of White and Black Deposits on the Surface of Korean Stone Cultural Heritages." Microscopy and Microanalysis 19, S5 (2013): 167–71. http://dx.doi.org/10.1017/s1431927613012580.

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AbstractWhite and black deposits have been frequently observed on the surface of Korean stone cultural heritages, and they are considered as damage factors in both conservation and esthetic points of view. In order to set up the appropriate conservation remedy, it is important to know their origins, characteristics, and compositions. In this study, optical and scanning electron microscopes (SEMs) equipped with an energy-dispersive spectrometer (EDS) and X-ray diffractometer were employed to determine the white and black deposits. It was found that both deposits consisted mainly of calcium carb

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Womac, Alvin Ray, Galina Melnichenko, Larry Steckel, Garrett Montgomery, Julie Reeves, and Robert M. Hayes. "Spray Tip Configurations with Pulse-Width Modulation for Glufosinate-Ammonium Deposits in Palmer Amaranth (Amaranthus palmeri)." Transactions of the ASABE 60, no. 4 (2017): 1123–36. http://dx.doi.org/10.13031/trans.12137.

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Abstract. A commercial sprayer operated at a field speed of 24 km h-1 simultaneously applied glufosinate-ammonium through seven spray tip treatments spaced along a 30.5 m boom for measured foliar deposits of herbicide in 35 cm tall Palmer amaranth weeds and spray deposits on foliar-mounted water-sensitive paper (WSP). The experiment followed one that found increased herbicide deposits for dual tips with an adjacent, fore-aft mount, downward-pointed pre-orifice tip (Extremely Coarse) operated with blended pulse-width modulation (bPWM) and a pre-orifice tip (Fine) operated constant (non-bPWM) un

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Kang, Chun Lei, Yan Xu, Kai Leung Yung, and Wei Chen. "Laser Induced Forward Transfer." Advanced Materials Research 591-593 (November 2012): 1135–38. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.1135.

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In this paper, we demonstrate using laser induced forward transfer (LIFT) technology to deposit Ti/Ni alloy on a glass substrate with high precision. Here the photonic feature of laser energy is used to move the Ti/Ni particles forward and deposit them on the glass, while the wave feature of laser is used to turn part of the Ti/Ni particles into ions. The characteristics of deposited films and their relations with the processing conditions are studied. A new method of depositing materials using photons instead of electrons in electric field may bring about a series of new technologies on surfa

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Wang, Zhen Long, Bai Dong Jin, Guo Hui Cao, Z. W. Wei, and Wan Sheng Zhao. "Technique of Brass Spiral Structure Deposition Using Micro EDM in Gas." Key Engineering Materials 329 (January 2007): 595–600. http://dx.doi.org/10.4028/www.scientific.net/kem.329.595.

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This paper proposes a new deposition method using micro electrical discharge machining (EDM) to deposit micro spiral structure in gas. First, the basic principles of micro electrical discharge deposition (EDD) are analyzed and the realized conditions are predicted. Then with an ordinary EDM shaping machine, brass as the electrode, high-speed steel as the workpiece, a lot of experiments are carried out on the micro spiral structure deposition in air. The effects of major processing parameters, such as the discharge current, discharge duration, pulse interval, gravity and working medium, are obt

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Hsu, Jui Me, Po Ching Ho, Chia Chiang Chang, and Ta Hsin Chou. "Ga-Doped ZnO Films Deposited by Atmospheric Pressure Plasma." Advanced Materials Research 939 (May 2014): 465–72. http://dx.doi.org/10.4028/www.scientific.net/amr.939.465.

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Deposition of gallium-doped zinc oxide (GZO) thin films using atmospheric pressure plasma jet (APPJ) system is presented in this work. High quality GZO films were demonstrated: The resistivity of as-deposited film achieves up to ~7×10-4ohm-cm, which is comparable to that deposited using vacuum process. Further, the optical transmission with optimized thickness is > 89 % at wavelength of 550 nm. The Hall mobility increased as GZO deposition thickness increase to 300 nm. In order to study thermal stability of GZO thin films, the effect of thermal annealing on the optical and electrical proper

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Bian, Ji Ming, Fu Wen Qin, and Miao Miao Zhong. "Influence of Nitridation Time on the Characteristics of GaN Films Deposited on Ni Metal Substrate by ECR-MOCVD." Advanced Materials Research 912-914 (April 2014): 210–13. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.210.

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GaN films were deposited on metal Ni substrates using electron cyclotron resonance plasma-enhanced metal organic chemical vapour deposition system (ECR-PEMOCVD). The nitridation time dependent structural and morphological characteristics of GaN films were systematically investigated by reflection high energy electron diffraction (RHEED), X-ray diffraction (XRD), and scanning electron microscope (SEM) analysis. The results indicate that it is feasible to deposit GaN films on Ni metal substrate under the proper deposition procedures. The high quality GaN films with c-axis preferred orientation a

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Yee, Eric, Jongh Wi Lee, Dae Sung Lim, and Byung Sik Chun. "Magnetic Water Treatment to Inhibit Calcium Carbonate Scale Deposition in the Drainage System of an Old Tunnel in Seoul, South Korea." Advanced Materials Research 594-597 (November 2012): 2045–55. http://dx.doi.org/10.4028/www.scientific.net/amr.594-597.2045.

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Drainage inlets at the Namsan #3 traffic tunnel in Seoul, South Korea were found to be clogged with calcium carbonate scale deposits. Officials were concerned the clogged drains would further stress the already deteriorating traffic tunnel and wanted to see if there were any practical and economical solutions in removing or preventing scale deposits. A tunnel drainage simulator was constructed to determine the feasibility of using magnets to inhibit scale precipitation and deposition. Test results from the simulation show 6.0 and 4.4 g of deposited calcium carbonate in pipes inclined at 2° and

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Boulanger, A., J. Hutchinson, W. F. Ng, et al. "Experimental investigation of the onset of sand deposits on Hastelloy-X between 1,000°C and 1,100°C." Aeronautical Journal 121, no. 1242 (2017): 1187–99. http://dx.doi.org/10.1017/aer.2017.48.

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ABSTRACTDeposit formation on turbine hardware in propulsion turbine engines can occur in many arid regions globally. Characterising crystalline deposits on metallic substrates can aid in component resilience and health monitor algorithms during particle ingestion. This study has developed two statistical empirical models for prediction from acquired experimental data for the onset of deposits. The prediction models are for crystalline particulate (Arizona Road Test Dust) deposits on a flat rectangular Hastelloy-X test coupon. Particle impingement angles varied between 20° and 80° in experiment

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Rattanawaleedirojn, Pranee, Kanokwan Saengkiettiyut, Yuttanant Boonyongmaneerat, Nutthita Chuankrerkkul, and Sawalee Saenapitak. "Effects of Complexing Agent Concentration and Bath pH on Electroless Nickel Deposition for Tungsten Carbide Powders." Advanced Materials Research 970 (June 2014): 240–43. http://dx.doi.org/10.4028/www.scientific.net/amr.970.240.

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An elemental nickel (Ni) or cobalt (Co) is typically introduced to tungsten carbide (WC) prior to powder injection moulding process (PIM) for hard metal fabrication to enhance toughness and tool life. Mixing of powders is normally practiced, although it requires a long processing time for homogeneous mixing. In this study, as an alternative method, an addition of Ni via the electroless deposition method is investigated. The key process parameters, including the concentration of the complexing agent, namely sodium citrate, and bath pH, are systematically examined in relation to deposition rate

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Chang, Chin Chuan, Shu Ling Wang, Wen Chi Tseng, and Meng Jiy Wang. "Plasma Polymerized Thin-Films for Biosensors." Advanced Materials Research 47-50 (June 2008): 1367–70. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.1367.

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Plasma polymerization is an effective method to directly deposit ultra-thin film on substrates with advantageous properties such as good adhesion and biocompatibility. In this paper, the monomers containing amine groups with various unsaturated structures (propylamine, allylamine) are chosen to provide amine functionalities and to promote biocompatibilities for the polymerized thin films. The deposition rates revealed by measuring the thickness of thin films are characterized by profilometer under various plasma conditions. FTIR and AFM are used to study the chemical structures and morphology

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Kundrata, Ivan, Karol Fröhlich, Lubomír Vančo, Matej Mičušík, and Julien Bachmann. "Growth of lithium hydride thin films from solutions: Towards solution atomic layer deposition of lithiated films." Beilstein Journal of Nanotechnology 10 (July 18, 2019): 1443–51. http://dx.doi.org/10.3762/bjnano.10.142.

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Lithiated thin films are necessary for the fabrication of novel solid-state batteries, including the electrodes and solid electrolytes. Physical vapour deposition and chemical vapour deposition can be used to deposit lithiated films. However, the issue of conformality on non-planar substrates with large surface area makes them impractical for nanobatteries the capacity of which scales with surface area. Atomic layer deposition (ALD) avoids these issues and is able to deposit conformal films on 3D substrates. However, ALD is limited in the range of chemical reactions, due to the required volati

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Lin, Hong Yan, Chun Cai Wang, and Bing Sun. "Study on Ni Nanowires Prepared in AAO Template." Advanced Materials Research 557-559 (July 2012): 515–18. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.515.

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Order nanopore arrays were made by a two-step anodization process. The effect of temperature on the order of nanopore arrays was studied. The result shows that the order is bad when the temperature is too high or too low. Then deposit Ni nanowire arrays in nanopores of AAO templates by direct current deposition. Nanowires deposited in AAO template have uniform length and thickness and the shape of nanowires is the same with that of nanopores. And the growth of the nanowires is from the bottom of the nanopores. Finally, the effect of pore diameter on activation energy of nickel deposited in nan

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Lee, Sang Won, Karina Mees, Ho Seon Park, Monika Willert-Porada, and Chang Seop Lee. "Synthesis of Carbon Nanofibers on C-Fiber Textiles by Thermal CVD Using Fe Catalyst." Advanced Materials Research 750-752 (August 2013): 280–92. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.280.

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This research was conducted to synthesize carbon nanofibers on C-fiber textiles by thermal CVD using Fe catalyst. The substrate which was a carbon textile consisting of non woven carbon fibers and attached graphite particles, was oxidized by nitric acid before the deposition process. Hydroxyl groups were created on the C-fiber textile due to the oxidization step. Fe (III) hydroxide was subsequently deposited on the oxidized surface of the C-fiber textile. To deposit ferric particles two different methods were tested: i) deposition-precipitation, ii) dip-coating. For the experiments using both

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Ugur, Sule, Merih Sarıışık, Gizem Türkoğlu, Gökhan Erkan, and Emre Erden. "Layer by layer assembly of antibacterial inclusion complexes." International Journal of Clothing Science and Technology 28, no. 3 (2016): 368–77. http://dx.doi.org/10.1108/ijcst-03-2016-0032.

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Purpose – The purpose of this paper is to create a textile material which shows antibacterial activity with resistance to environmental conditions by using volatile active agent inclusion complex and self-assembly method. Design/methodology/approach – An inclusion complex of carvacrol and β-CD is generated by kneading method and deposited on the cotton fabrics by using a nanofabrication method named as layer-by-layer (LbL) deposition method. Three different concentration of CD and CD:Car aqueous solutions were deposited on cotton fabrics. Attenuated total reflectance Fourier transform infrared

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Scudeler, Fábio, and Carlos Gilberto Raetano. "Spray deposition and losses in potato as a function of air-assistance and sprayer boom angle." Scientia Agricola 63, no. 6 (2006): 515–21. http://dx.doi.org/10.1590/s0103-90162006000600001.

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Within the Brazilian agricultural scene, the potato crop plays a significant economic role. Modern equipment and the development of improved chemical product application techniques contribute toward the constant search for improved revenue from the potato as a crop. Field experiments were carried out in a random block design of a potato crop of the "Ágata" variety. The aim was to evaluate the effect of air assistance combined to different angles of spray application on the chemical deposition on the potato plant, as well as to assess spray losses to the soil. For this a sprayer with and withou

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Marita, Yusrini, and Ridwan. "Effect of Cobalt Concentration on the Microstructure of Nickel-Cobalt Alloy Deposits." Advanced Materials Research 887-888 (February 2014): 749–52. http://dx.doi.org/10.4028/www.scientific.net/amr.887-888.749.

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Nickel-cobalt alloy deposits were prepared on copper substrate by electrochemical deposition at various cobalt concentrations in electrolytic solution of 0, 6, 12, 18 and 24 g l-1. The deposition was performed at current density of 30 mA/cm2. X-ray diffraction measurements confirmed that all nickel-cobalt alloy films formed have face-centered cubic structure. EDS studies showed that Co content in Ni-Co alloys increased with the increase of cobalt sulfate concentration in the solution. It can be suggested that increasing concentration of co sulfate is the reason for an increase in activity of c

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Askari, Syed Jawid, and Fan Xiu Lu. "Nanocrystalline Diamond Film Produced by Argon Addition in the CH₄-H₂ Microwave CVD Plasmas." Advanced Materials Research 26-28 (October 2007): 615–18. http://dx.doi.org/10.4028/www.scientific.net/amr.26-28.615.

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Diamond coatings on pure titanium substrates are of interest for tribological and biomedical implants. However, due to the different thermal expansion coefficients of the two materials, the complex nature of the interlayer formed during diamond deposition, and the difficulty in achieving very high nucleation density, it is hard to deposit adherent thin diamond layers on titanium. The aim of the present research was to successfully produce smooth and well adherent nanocrystalline diamond (NCD) film on a pure Ti substrate using the microwave plasma chemical vapor deposition (MWPCVD) method. The

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