Results 21 to 30 of about 226,462 (213)

Preparation and Properties of Sn-TiO2 nanocomposite coatings [PDF]

MATEC Web of Conferences, 2022
Sn-TiO2 nanocomposite coatings were prepared by sol-gel enhanced electrodeposition technique and the effect of c concentration on the performance of the composite coatings was investigated by adding different volumes of TiO2 sol to the electrolyte.
Zhang Shengping
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Enhancement of wear properties of a polyether ether ketone polymer by incorporation of carbon and glass fibers [PDF]

, 2019
Some properties of polymers can be improved through the incorporation of carbon and glass fibers into the polymer matrix. In this research, the wear resistance of two polymer composites CF-polyether ether ketone (PEEK) and GF-PEEK were compared with the ...
Davim J. P., Davim J. P., Gupta R. K., Ho J. W., James M. N., LeMaster R., Li E. Z., Lu Z. P., Prevéy P. S., Prevéy P. S., Shaw B. A., Suh N. P., Tang L., Unal H., Vanarotti P., Wang Z.   +15 more
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Effects of Brushing Simulation on the Surface Roughness, Microhardness and Colour Stability of Indirect Composite Resin and Polyetheretherketone Polymer: An In-vitro Study [PDF]

Journal of Clinical and Diagnostic Research
Introduction: Indirect composite and Polyetheretherketone (PEEK) are widely used in restorative dentistry due to their favourable mechanical and aesthetic properties. However, their durability under simulated brushing conditions, which mimic routine oral
Bhavini Nahata, Vaishnavi Rajaraman, Amrutha Shenoy, Smiline AS Girija, Kannika Parameshwari Kannan   +4 more
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QUANTITATIVE EVALUATION OF EXPERIMENTAL BONE REGENERATION USING INDENTATION TESTS [PDF]

Acta Ortopédica Brasileira, 2017
Objectives: To determine whether the macroindentation test can be applied to quantitatively assess bone regeneration. Methods: A 3.2 mm diameter transverse monocortical defect was created on the medial aspect of both proximal metaphyses of the tibia ...
Valéria Trombini Vidotto, Nilza Alzira Batista, José Ricardo Lenzi Mariolani, William Dias Belangero   +3 more
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Development of nickel phosphorus coatings containing micro particles of talc phyllosilicates [PDF]

, 2013
The present work aims to characterized nickel phosphorus coatings co-deposited with talc particles on steel. The NiP-talc composite deposits were developed to serve as hard coatings with a lubricating effect at 600 C.
Alexis, Joël, Bonino, Jean-Pierre, Etcheverry, Bernard, Gaussens, Clélia   +3 more
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Depth-sensing indentation tests in studying plastic instabilities [PDF]

, 2004
This review surveys the phenomenon of plastic instabilities occurring in depth-sensing indentation measurements. Investigations presented focus on the characterization of Portevin-Le Chatelier type instabilities observed in different metal alloys during ...
Bobji, Cahn, Chinh, Chinh, Cook, Gouldstone, J. Gubicza, J. Lendvai, Jiang, Kim, Krell, N.Q. Chinh, Neuhäuser, Tabor, Zs. Kovács   +14 more
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Evaluation of Mechanical Characteristics of Tribofilm Formed on the Surface of Metal Material Due to Friction under Lubrication with Automatic Transmission Fluid

Tribology Online, 2021
In this study, nano-scratch tests were conducted using atomic force microscope (AFM) to clarify the hardness of a tribofilm derived from an additive (Fluid A or Fluid B in automatic-transmission fluid) formed on an SKS3 cold work tool steel substrate ...
Takayuki Tokoroyama, Takashi Nishimoto, Yasuhiro Murakami, Akiyuki Honda, Hideaki Mitsui, Yusuke Terai, Motoyuki Murashima, Woo-Young Lee, Noritsugu Umehara   +8 more
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Radiation Hardness tests with neutron flux on different Silicon photomultiplier devices

, 2017
Radiation hardness is an important requirement for solid state readout devices operating in high radiation environments common in particle physics experiments. The MEGII experiment, at PSI, Switzerland, investigates the forbidden decay $\mu^+ \to \mathrm{
Cattaneo, P. W., Cervi, T., Menegolli, A., Oddone, M., Prata, M., Prata, M. C., Rossella, M.   +6 more
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Effect of incorporating bioactive glass filler in resin infiltrant on the microhardness of demineralized enamel [PDF]

Journal of Dental Materials and Techniques
Objective: This study aimed to evaluate the effect of incorporating different concentrations of 45S5 bioactive glass (BAG) as a filler into a resin infiltrant on the microhardness of demineralized enamel.Methods: Forty bovine enamel samples were ...
Hila Hajizadeh, Hossein Bagheri, Aboubakr Azizzadeh, Maryam Valizadeh, Kimia Jafarpour   +4 more
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A new approach to local hardness

, 2011
The applicability of the local hardness as defined by the derivative of the chemical potential with respect to the electron density is undermined by an essential ambiguity arising from this definition. Further, the local quantity defined in this way does
Ayers, Ayers, Ayers, Ayers, Becke, Becke, Berkowitz, Borgoo, Broadus, Cedillo, Chattaraj, Chattaraj, Chattaraj, Chermette, Clarke, De Proft, De Proft, F. De Proft, Frisch, Fuentealba, Galván, Garza, Geerlings, Geerlings, Ghanty, Ghosh, Ghosh, Gál, Gál, Gál, Gál, Gál, Gál, Gál, Gál, Gázquez, Harbola, Hehre, Koenig, Langenaeker, Lee, Levedev, Liu, Liu, M. Torrent-Sucarrat, Melin, Meneses, Meneses, Mignon, Mignon, Mulliken, Nagy, Nagy, Olasz, Ozen, P. Geerlings, Parr, Parr, Parr, Parr, Pearson, Pearson, Pearson, Pearson, Perdew, Roy, Saha, Saha, Saha, Sanderson, Slater, T. Gál, Thomas, Torrent-Sucarrat, Torrent-Sucarrat, Torrent-Sucarrat, Torrent-Sucarrat, Torrent-Sucarrat, Torrent-Sucarrat, Torrent-Sucarrat, Torrent-Sucarrat, Uline, Uline, Vargas, Yang, Zhou   +85 more
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