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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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 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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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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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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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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Effects of minor additions of ruthenium on the passivation of duplex stainless-steel corrosion in concentrated hydrochloric acid solutions by Sherif, El-Sayed M., Potgieter, J. H., Comins, J. D., Cornish, L., Olubambi, P. A., Machio, C. N.

“…The effects of minor additions of ruthenium (0.14%, 0.22%, and 0.28%) on the passivation of duplex stainless-steel (DSS, Fe–22%Cr–9%Ni–3%Mo) corrosion in 2 M…”
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The growth of the passive film on iron in 0.05 M NaOH studied in situ by Raman micro-spectroscopy and electrochemical polarisation. Part I: near-resonance enhancement of the Raman spectra of iron oxide and oxyhydroxide compounds by Nieuwoudt, M. K., Comins, J. D., Cukrowski, I.

“…Raman spectroscopy, in principle, is an excellent technique for the study of molecular species developed on metal surfaces during electrochemical…”
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High temperature surface Brillouin scattering study of mechanical properties of boron-doped epitaxial polysilicon by Mathe, B. A., Comins, JD, Every, A. G., Hobbs, L. W.

“…A study of the mechanical properties of a boron-doped epitaxial polysilicon layer deposited on a Si (100) substrate specimen has been carried out by surface…”
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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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Raman spectroscopic study of phase transitions in Li3PO4 by Popović, L., Manoun, B., de Waal, D., Nieuwoudt, M. K., Comins, J. D.

“…Although three forms of lithium phosphate are known, a complete structural description of the highest temperature polymorph has not yet been given. In the…”
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Elastic constants of titanium carbide films using surface Brillouin scattering by Sumanya, C, Wamwangi, DM, Jakata, K, Comins, JD

“…•Excitations are observed in surface Brillouin scattering of titanium carbide films.•Rayleigh surface acoustic waves, Sezawa waves and pseudo-Sezawa waves are…”
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Development of the Knee Numeric-Entity Evaluation Score (KNEES - ACL): A condition-specific questionnaire by Comins, J. D., Krogsgaard, M. R., Brodersen, J.

“…Patient‐related outcome measures (PROMs) are commonly used to gauge treatment effects in patients with anterior cruciate ligament (ACL) deficiency. Valid…”
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Studies of defects in photonic materials by Amolo, G.O., Comins, J.D., Erasmus, R.M., Derry, T.E.

“…Indium tin oxide (ITO) films have high optical transmission and infrared reflectance, good electrical conductivity, excellent substrate adherence, hardness and…”
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The growth of the passive film on iron in 0.05 M NaOH studied in situ by Raman microspectroscopy and electrochemical polarization. Part II: In situ Raman spectra of the passive film surface during growth by electrochemical polarization by Nieuwoudt, M. K., Comins, J. D., Cukrowski, I.

“…The composition of the passive film formed on iron in 0.05 M NaOH was analyzed in situ with Raman microspectroscopy with preresonance enhancement during its…”
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General methods for the determination of the stiffness tensor and mass density of thin films using brillouin light scattering: Study of tungsten carbide films by WITTKOWSKI, T, DISTLER, G, JUNG, K, HILLEBRANDS, B, COMINS, J. D

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Dimensionality of the Knee Numeric-Entity Evaluation Score (KNEES-ACL): A condition-specific questionnaire by Comins, J. D., Krogsgaard, M. R., Kreiner, S., Brodersen, J.

“…The benefit of anterior cruciate ligament (ACL) reconstruction has been questioned based on patient‐reported outcome measures (PROMs). Valid interpretation of…”
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