Search Results - "Comins, J.D."

In situ Raman spectroscopy and electrochemical techniques for studying corrosion and corrosion inhibition of iron in sodium chloride solutions by Sherif, El-Sayed M., Erasmus, R.M., Comins, J.D.

“…The corrosion of single crystal pure iron in 3.5% NaCl solutions and its inhibition by 3-amino-5-mercapto-1,2,4-triazole (AMTA) have been studied using in situ…”
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Effects of 3-amino-1,2,4-triazole on the inhibition of copper corrosion in acidic chloride solutions by Sherif, El-Sayed M., Erasmus, R.M., Comins, J.D.

“…Effects of 3-amino-1,2,4-triazole (ATA) on the inhibition of copper corrosion in 0.5 M HCl solutions have been studied using gravimetric, electrochemical, and…”
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Inhibition of copper corrosion in acidic chloride pickling solutions by 5-(3-aminophenyl)-tetrazole as a corrosion inhibitor by Sherif, El-Sayed M., Erasmus, R.M., Comins, J.D.

“…Inhibition of copper corrosion in acidic chloride pickling (0.5 M HCl) solutions by 5-(3-Aminophenyl)-tetrazole (APT) as a corrosion inhibitor has been studied…”
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Corrosion of copper in aerated acidic pickling solutions and its inhibition by 3-amino-1,2,4-triazole-5-thiol by Sherif, El-Sayed M., Erasmus, R.M., Comins, J.D.

“…Corrosion of copper in aerated acidic chloride pickling (0.5 M HCl) solutions and its inhibition by 3-amino-1,2,4-triazole-5-thiol (ATT) have been investigated…”
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The beneficial effect of ruthenium additions on the passivation of duplex stainless steel corrosion in sodium chloride solutions by Sherif, El-Sayed M., Potgieter, J.H., Comins, J.D., Cornish, L., Olubambi, P.A., Machio, C.N.

“…The effect of varying ruthenium contents of 0.00, 0.14, 0.22, and 0.28% on the corrosion of 22%Cr–9%Ni–3%Mo duplex stainless steel (DSS) after different…”
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Light scattering and computer simulation studies of superionic pure and La-doped BaF2 by Rammutla, K.E., Comins, J.D., Erasmus, R.M., Netshisaulu, T.T., Ngoepe, P.E., Chadwick, A.V.

“…[Display omitted] •Superionic behaviour of BaF2 with different LaF3 concentrations is reported.•Raman and Brillouin scattering with Molecular Dynamics (MD) are…”
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Bulk and surface acoustic wave phenomena in crystals: Observation and interpretation by Every, A.G., Maznev, A.A., Grill, W., Pluta, M., Comins, J.D., Wright, O.B., Matsuda, O., Sachse, W., Wolfe, J.P.

“…Crystal acoustics is a field that has engaged the attention of theoreticians and experimentalists alike for decades and more. Many striking effects have been…”
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Influence of substrate bias on the structure and properties of TiCN films deposited by radio-frequency magnetron sputtering by Saoula, N., Madaoui, N., Tadjine, R., Erasmus, R.M., Shrivastava, S., Comins, J.D.

“…The aim of this paper is to investigate the effects of the substrate bias on the structure and properties of the TiCN thin films. The TiCN films were grown…”
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Patient-reported outcome measures for patients with hand-specific impairments—A scoping review by Woythal, L., Comins, J.D., Brorson, S.

“…Patient-reported outcome measures (PROMs) are increasingly used to provide evidence for treatment effects and to guide rehabilitation. To our knowledge, no…”
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Micro-Raman and X-ray diffraction stress analysis of residual stresses in fatigue loaded leached polycrystalline diamond discs by Vhareta, M., Erasmus, R.M., Comins, J.D.

“…Polycrystalline diamond (PCD) cylindrical tool-bits used in oil well drilling are susceptible to fracture due to the hostile environment of randomly occurring…”
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Corrosion of copper in aerated synthetic sea water solutions and its inhibition by 3-amino-1,2,4-triazole by Sherif, El-Sayed M., Erasmus, R.M., Comins, J.D.

“…Corrosion of copper in aerated synthetic sea water (3.5% NaCl) solutions and its inhibition by 3-amino-1,2,4-triazole (ATA) have been studied using…”
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The application of photoluminescence and Raman spectroscopy of synthetic diamond by Fish, M.L., Massler, O., Reid, J.A., MacGregor, R., Comins, J.D.

“…The properties of the photoluminescent centres H3, 1.945 eV and their associated zero phonon lines (ZPLs) have been used to study various types of synthetic…”
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Surface Brillouin scattering in Titanium Carbide films by Sumanya, C., Comins, J.D., Every, A.G.

“…Simulations of surface Brillouin scattering (SBS) spectra of TiC hard films on several substrates have been carried out over a range of film thickness from…”
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Optimized determination of elastic constants of crystals and their uncertainties from surface Brillouin scattering by Every, A.G., Sumanya, C., Mathe, B.A., Zhang, X., Comins, J.D.

“…•Optimized determination of crystal elastic constants from L and SAW velocity data.•Analytical expressions for the L velocities and linearization of the SAW…”
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Investigation of fatigue-type processes in polycrystalline diamond tools using Raman spectroscopy by Vhareta, M., Erasmus, R.M., Comins, J.D.

“…Polycrystalline diamond (PCD) cylindrical tool-bits used in oil well drilling are susceptible to fracture due to the hostile environment of randomly occurring…”
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Application of Raman spectroscopy to determine stress in polycrystalline diamond tools as a function of tool geometry and temperature by Erasmus, R.M., Comins, J.D., Mofokeng, V., Martin, Z.

“…Polycrystalline diamond (PCD) tools commonly consist of a PCD layer sintered onto a cobalt-tungsten carbide (Co-WC) substrate. These tools are used in diverse…”
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Thermal dependence of elastic properties of polycrystalline TiC0.97 and TiC0.40N0.60 alloys studied by surface Brillouin scattering by Mathe, B.A., Comins, J.D., Every, A.G., Lengauer, W.

“…Transition metal carbides, nitrides and carbonitrides form an interesting class of compounds having an exceptional combination of physical properties including…”
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Thermally induced amorphous to crystalline transformation of argon ion bombarded GaAs studied with surface Brillouin and Raman scattering by Jakata, K., Wamwangi, D.M., Sumanya, C., Mathe, B.A., Erasmus, R.M., Naidoo, S.R., Comins, J.D.

“…Surface Brillouin scattering (SBS) and Raman spectroscopy have been used to investigate the recrystallisation of an amorphous layer of GaAs created on single…”
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Effect of the Plasma Deposition Parameters on the Properties of Ti/TiC Multilayers for Hard Coatings Applications by Saoula, N., Henda, K., Kesri, R., Shrivastava, S., Erasmus, R.M., Comins, J.D.

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Raman and optical absorption studies of proton bombarded CsI by Amolo, G.O., Erasmus, R.M., Comins, J.D., Derry, T.E.

“…CsI single crystals, which have the simple cubic structure, have been bombarded with 1MeV protons at a temperature close to 300K. Optical absorption and Raman…”
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