Characterization of Thin Films and Coatings

Baer, Donald R.; Thevuthasan, Suntharampillai

doi:10.1016/b978-0-8155-2031-3.00016-8

Cited by 25 publications

(14 citation statements)

References 114 publications

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“…On the other hand, increasing temperatures help the cleavage of chemical bonds on the surface. In any case, the degradation occurs at an optimum temperature [64] . In the present work, we performed at 20 kHz all experiments at constant temperature of 20 ± 1 °C.…”

Section: Methodsmentioning

confidence: 99%

Study on the influence of advanced treatment processes on the surface properties of polylactic acid for a bio-based circular economy for plastics

Sourkouni

Kalogirou

Moritz

et al. 2021

Ultrasonics Sonochemistry

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Section: Methodsmentioning

confidence: 99%

Study on the influence of advanced treatment processes on the surface properties of polylactic acid for a bio-based circular economy for plastics

Sourkouni

Kalogirou

Moritz

et al. 2021

Ultrasonics Sonochemistry

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“…Elastic scattered radiation at the wavelength corresponding to the laser line (Rayleigh scattering) is filtered out, while the remaining radiation is dispersed onto a detector. 22 All the samples were tested using Raman spectroscopy. In principle, infrared spectroscopy and Raman spectroscopy complement each other in their information content.…”

Section: Raman Spectroscopymentioning

confidence: 99%

“…Photon energy is shifted up or down according to the energy of the laser which in turn provides information concerning the vibrational modes in a system. Elastic scattered radiation at the wavelength corresponding to the laser line (Rayleigh scattering) is filtered out, while the remaining radiation is dispersed onto a detector …”

Section: Fourier Transform Infra‐red (Ftir) Spectroscopymentioning

confidence: 99%

Infrared spectral analysis of low concentration magnetoactive polymers

Prem

Sindersberger

Monkman

2019

J of Applied Polymer Sci

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This work concerns an area of magnetoactive polymer (MAP) research seldom considered. Traditionally only MAP with high concentrations of magnetic filler (typically between 10 and 90 wt%) have been investigated. This article deals with a hitherto neglected aspect of research, namely MAP containing lower magnetic filler concentrations (1 to 3 wt%). This article utilizes a range of spectroscopic analysis methods (Raman and FTIR) and their applicability to MAP characterization at wavelengths ranging from 2.5 to 25 μm. Particular attention is paid to low carbonyl iron particle (CIP) concentrations in MAP for which the emergence of capillary doublets at a critical 2 wt% concentration is revealed. This results in measurable magnetic field-dependent changes in IR absorption at a wavelength of 4.255 μm together with a detectable CO 2 susceptibility.

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“…Spot measurements of the coating thickness can be performed by an operator on the line, using portable coating thickness analyzer (CTA) or on randomly selected samples in a laboratory. Usually, such portable CTAs are based on eddy currents, magnetic induction, or beta scattering [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Industrial X-ray Fluorescence Analyzer for Real-Time Thickness Measurements of Aluminium Coatings on Rolled Steel

Sokolov

Hasikova

Pecerskis³

et al. 2019

Coatings

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Aluminium coatings that are formed by physical vapour deposition (PVD) on rolled steel products are more resistant to atmospheric and seawater corrosion than zinc coatings. We developed a coating thickness analyzer (CTA) with an X-ray fluorescence (XRF) measuring head, that is integrated into the PVD pilot line. In this study, to conduct measurements of elements with atomic numbers less than 20 while avoiding the problem of registration of light elements, the measuring head was integrated into a process vacuum chamber to maintain a vacuum during the measurements. To validate the proposed tool, cold-rolled steel strips of different grades are used as substrates, and aluminium was deposited on the surface via PVD in thicknesses ranging from 1 to 20 g/m2. The thin-film thickness measurements during a pre-acceptance test were found to have a relative accuracy of less than 5% and a relative precision of less than 1% – 2%. The proposed CTA can be readily integrated in the factory’s automatic process control system and the real-time measurements in operating and calibration modes, and the status of all spectrometric equipment (X-ray tube, detector etc.) can be transmitted to the upper-level computer. Thus, the process engineer can properly control the deposition process.

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Characterization of Thin Films and Coatings

Cited by 25 publications

References 114 publications

Study on the influence of advanced treatment processes on the surface properties of polylactic acid for a bio-based circular economy for plastics

Study on the influence of advanced treatment processes on the surface properties of polylactic acid for a bio-based circular economy for plastics

Infrared spectral analysis of low concentration magnetoactive polymers

Industrial X-ray Fluorescence Analyzer for Real-Time Thickness Measurements of Aluminium Coatings on Rolled Steel

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