نتایج جستجو برای: metal alloy
تعداد نتایج: 244616 فیلتر نتایج به سال:
In the present study, the corrosion behavior of AISI 347 austenitic stainless steel to ASTM A335 low alloy steel dissimilar joint was investigated. For this purpose, two filler metals, ER309L and ERNiCr-3, were selected to be used during the gas tungsten arc welding process. To investigate the corrosion behavior of the joints after welding, the specimens were tested in 3.5% sodium chloride solu...
The formation of oxides on the surface of the metal are proven to contribute to the formation of strong bonding. However, The base metal alloys are expected to exhibit more oxidation than high gold alloys, increase in oxide layer thickness due to repeated firing in them can reduce the bond strength. The aim of this study was to compare the effect of repeated porcelain firing on the bond strengt...
The first-ever peptide biomaterial discovery using an unconstrained engineered bacterial display technology is reported. Using this approach, we have developed genetically engineered peptide binders for a bulk aluminum alloy and use molecular dynamics simulation of peptide conformational fluctuations to demonstrate sequence-dependent, structure-function relationships for metal and metal oxide i...
Large area fabrication of metal alloy nanoparticles with tunable surface plasmon resonances on low-cost substrates is reported. A UV excimer laser was used to anneal 5 nm thick Ag Au bilayer films deposited with different composition ratios to create alloy nanoparticles. These engineered surfaces are used to investigate how the wavelength of the surface plasmon resonance affects the optical det...
Articles you may be interested in Compact tool for deposition of composition spread alloy films Improved GaN film overgrown with a molybdenum nanoisland mask Appl. Spreading of thin-film metal patterns deposited on nonplanar surfaces using a shadow mask micromachined in Si (110) Preparation of ternary alloy libraries for high-throughput screening of material properties by means of thick film de...
This study was conducted to evaluate the biocompatibility of titanium-nickel shape memory alloy used as a medical implant material. The authors carried out the following electrochemical corrosion test and in vivo and in vitro biological tests for the alloy and some metal and alloys clinically used previously to compare the intensities concerned with the biological reactions, that is, (1) anodic...
The metal-insulator transition (MIT) caused purely by alloy disorder in a Zno 3Cdo 7Se semiconductor alloy has been probed by using persistent photoconductivity. Key parameters that describe the MIT, including the critical electron concentration n, and the energy tail states distribution parameter Eo, have been determined experimentally. Our results, together with those obtained for impurity-do...
objectives: the aim of this study was to assess the effect of tube current, kilovoltage peak (kvp), metal type, and the position of metal objects on metal artifacts in cone-beam computed tomography (cbct) images. materials and methods: titanium and cobalt-chromium rods were fabricated and placed in a dry human mandible. samples were scanned using a promax 3d cbct unit with different milli-amper...
The preparation of yttrium metal by the reduction of yttrium trifluoride with calcium is described. Alternate methods employing the formation of a low melting Y-Zn or Y-Mg intermediate alloy are evaluated and data on chemical and microscopic purity of the resulting metal are presented.
IPTME, Loughborough University of Technolom, LEI 1 3TU, UK " 9 7 z777$ __ Abstract P.9 F" Compositionally modulated alloy (CMA) coatings can be synthesised electrochemically The technique is performed by electrodeposition from a plating bath usually containing two different metal ions The alloy modulation is attained through pulsing the voltage or current between two or more pre-optimised level...
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