Results 31 to 40 of about 952,551 (308)

Cr2C3–NiCr VPS thermal spray coatings as candidate for chromium replacement [PDF]

, 2013
The present investigation has been carried out with the aim of determining the tribological behavior of a VPS chromium carbide coating both in the as-deposited and heat-treated conditions. A commercial powder of Cr2C3–25% NiCr was sprayed employing a VPS
Chicot, Didier, Iost, Alain, Lesage, Jacky, Puchi-Cabrera, E.S., Staia, M.H., Suarez, M.   +5 more
core   +8 more sources

Study program to develop and evaluate die and container materials for the growth of silicon ribbons [PDF]

, 1979
The development and evaluation of proprietary coatings of pure silicon carbide, silicon nitride, and aluminum nitride on less pure hot pressed substrates of the respective ceramic materials, is described.
Addington, L. A., Barsoum, M. W., Ownby, P. D., Romero, H. V., Yu, B. B., Zealer, B. G.   +5 more
core   +2 more sources

Fourier Transform Infrared Spectroscopy and Scanning Electron Microscopy Characterization of Adhesive Produced From Polystyrene Waste [PDF]

, 2020
In this study, the optimized adhesive formulated from polystyrene waste was characterized for Fourier transform infrared (FTIR) spectra, Scanning Electron Microscopy (SEM) / Energy Dispersive X-ray (EDX) spectroscopy, solubility, density and water ...
Aroke, Umar Omeiza, Hamidu, Lucas Albert Jerome, Muhammad, Idris Misau, Osha, Odeh Adey   +3 more
core   +2 more sources

Characterization and Treatment Study of A handcraft Brass Trumpet From Dhamar Museum, Yemen

Archeomatica, 2018
Brass is more malleable and has better acoustic properties than pure copper or zinc; consequently, it is used in a variety of musical instruments, including trumpets, trombones, bells, and cymbals.
Mohamed Megahed, Mohamed M. Abdelbar
doaj   +1 more source

Influence of intensity of ultrasound on morphology and hardness of copper coatings obtained by electrodeposition

Journal of Electrochemical Science and Engineering, 2022
The influence of various intensities of ultrasound applied for the electrolyte stirring on morphological and mechanical characteristics of electrolytically produced copper coatings has been investigated. The copper coatings produced by the galvanostatic
Ivana Mladenović, Jelena Lamovec, Dana Vasiljević Radović, Vesna Radojević, Nebojša D. Nikolić   +4 more
doaj   +1 more source

Ergodic properties of sum- and max-stable stationary random fields via null and positive group actions

, 2013
We establish characterization results for the ergodicity of stationary symmetric $\alpha$-stable (S$\alpha$S) and $\alpha$-Frechet random fields. We show that the result of Samorodnitsky [Ann. Probab.
Roy, Parthanil, Stoev, Stilian A., Wang, Yizao   +2 more
core   +1 more source

Physical Properties and Characterization of Cassava Peel Waste Modified by Esterification [PDF]

Journal of Pure and Applied Chemistry Research, 2017
Cassava starch (Manihot esculenta) is polysaccharide compound which comprises of amylose and amylopectin. This paper demonstrated the characterization result of cassava peel waste modified by esterification with acetic acid and oleic acid.
Suci Susanti, Denis Al Karoma, Dian Mulyani, Masruri Masruri   +3 more
doaj   +1 more source

Intermolecular Characterization of Chitosan from the Exoskeleton of Windu Prawn (Penaeus monodon) and Mangrove Crab (Scylla sp.)

Indonesian Journal of Chemical Research
Chitosan (C6H11NO4)n is a chitin-derived polymer that has good biocompatibility, biodegradability, and bioabsorbability properties. This compound can be obtained from exoskeleton waste such as mangrove crabs and Windu prawn.
Rini Anggi Arista, Dian Nugraheni, Eka Nurul Qomaliyah, Yayuk Mulyati, Jibril Maulana, Kadek Risa Rivana Dewi, Shahira Qistan A'yuni   +6 more
doaj   +1 more source

Synthesis and Characterization of Boehmites Obtained from Gibbsite in Presence of Different Environments [PDF]

Materials Research, 2016
In this study, results related to boehmite synthesis by hydrothermal processes starting from a Bayer commercial gibbsite are reported. The processes have been conducted from aqueous suspensions with initial acidic or alkaline pH, without or with acetate ...
Ricardo Wilson Nastari Denigres Filho, Gisele de Araujo Rocha, Célia Regina Montes, Antonio Carlos Vieira-Coelho   +3 more
doaj   +2 more sources

Application of Convolution-deconvolution voltammetry for investigation of 4,4’-bipyridine with benzoquinone derivatives

International Journal of Electrochemical Science, 2021
Convolution, deconvolution cyclic voltammetry, chronoamperometric, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were employed for clarifying the characterization of charge transfer complex (CT) of 4,4’-bipyridine with ...
A.A. Al-Owais, I.S. El-Hallag, E.H. El-Mossalamy   +2 more
doaj   +1 more source