Search Results - "Žagar, G."

Fracture toughness testing of nanocrystalline alumina and fused quartz using chevron-notched microbeams by Mueller, M.G., Pejchal, V., Žagar, G., Singh, A., Cantoni, M., Mortensen, A.

“…We show that chevron-notched samples offer an attractive approach to the measurement of fracture toughness in micron-scale samples of brittle materials and use…”
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In-situ strength of individual silicon particles within an aluminium casting alloy by Mueller, M.G., Žagar, G., Mortensen, A.

“…Measurements of local strength are performed in-situ on individual silicon particles that constitute the second phase of aluminium alloy A356. Particles are…”
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Microscopic strength of silicon particles in an aluminium–silicon alloy by Mueller, M.G., Fornabaio, M., Žagar, G., Mortensen, A.

“…A microscopic three-point bending test that measures the strength of faceted particles of high aspect ratio is developed and used to probe individual coarsened…”
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Processing and micro-mechanical characterization of multi-component transition MC carbides in iron by Deillon, L., Fornabaio, M., Zagar, G., Michelet, L., Mortensen, A.

“…We prepare multi-component transition monocarbides of chosen composition by arc-melting together a pre-alloy of the transition metals and cast iron. Based on…”
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Estimation of Tissue Attenuation from Ultrasonic B-Mode Images-Spectral-Log-Difference and Method-of-Moments Algorithms Compared by Brandner, Dinah Maria, Cai, Xiran, Foiret, Josquin, Ferrara, Katherine W, Zagar, Bernhard G

“…We report on results from the comparison of two algorithms designed to estimate the attenuation coefficient from ultrasonic B-mode scans obtained from a…”
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Analysis and Validation of a Planar High-Frequency Contactless Absolute Inductive Position Sensor by Aschenbrenner, Bernhard, Zagar, Bernhard G.

“…This paper presents a low cost precise and reliable inductive absolute position measurement system. It is suitable for rough industrial environments, offers a…”
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Noncontacting strain measurements at high temperatures by the digital laser speckle technique by ANWANDER, M, ZAGAR, B. G, WEISS, B, WEISS, H

“…This paper presents a newly developed laser-based noncontacting strain sensor suitable for temperatures up to 1200 deg C, which was adapted to a commercial…”
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Application of impedance spectroscopy and tomography to monitor calcite deposits in drainage pipes by Affortunati, Sabrina, Zagar, Bernhard G.

“…The determination of calcite deposits in drainage pipes plays an important role in tunnel construction as well as in ongoing operation. If these deposits are…”
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Estimation of the surface normal velocity of high frequency ultrasound transducers by Rupitsch, S.J., Kindermann, S., Zagar, B.G.

“…This paper is concerned with the characterization of the true locally resolved surface normal velocity of an assumed piston-type ultrasonic transducer. Instead…”
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Modeling, Preparation and Characterization of a Pressure Measurement System With Customizable High-Pass Characteristic by Wiesner, Thomas, Zagar, Bernhard G.

“…We present a measurement system, capable of measuring a small changing pressure component additional to a much larger static average pressure. It comprises a…”
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Development of a low-cost measurement system for cutting edge profile detection by Gregor Gerstorfer Bernhard G. Zagar

“…The use of a compact disk （CD） pickup head as a displacement measurement system is described. The components contained in a pickup head are explained and how…”
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Deconvolution of High-Resolution Magnetic Field Scans for Improved Current Density Imaging by Holzl, Patrick Alexander, Zagar, Bernhard G.

“…Inverse problems are gaining more and more importance in the field of nondestructive testing (NDT). Magnetic imaging is an NDT method, which leads to an…”
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Komponenten der Messunsicherheit eines Faraday-Magnetometers by Piepgras, Ruben, Zagar, Bernhard G.

“…Zusammenfassung In diesem Beitrag wird ein magneto-optischer Sensor auf Basis des Faraday-Effekts vorgestellt. Hiermit können anhand der Messung einer…”
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Visualization of spatial conductivity irregularities within conductive rubber sheets by Wernick, Helmut, Hoelzl, Patrick, Zagar, Bernhard G

“…Purpose – The purpose of this paper is to present a fast and contactless measurement method to determine the spatial conductivity distribution within an…”
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Optical tomography imaging based on higher order Born approximation of diffuse photon density waves by Scherleitner, E., Zagar, B.G.

“…In this paper, we introduce a tomographical system suitable for imaging absorbers in strongly scattering media using a single light source-detector pair. Their…”
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Schätzung der Gewebeabsorption aus medizinischen Ultraschall-Bildern by Brandner, Dinah Maria, Zagar, Bernhard G.

“…Zusammenfassung Ultraschall ist eine sich im Gewebe ausbreitende mechanische Welle, die von den lokal vorherrschenden akusto-mechanischen Gegebenheiten in…”
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Improving the Spatial Resolution of Magneto Resistive Sensors via Deconvolution by Holzl, Patrick Alexander, Zagar, Bernhard G.

“…State-of-the-art GMR sensors are becoming increasingly popular for a variety of applications, due to of the progress in the area of magnetic field sensor…”
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Acoustic Microscopy Technique to Precisely Locate Layer Delamination by Rupitsch, S.J., Zagar, B.G.

“…In this paper, the synthetic aperture focusing technique (SAFT) is applied to extend the depth of focus for spherically focused ultrasound transducers. This…”
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Measurement of Paint Coating Thickness by Thermal Transient Method by Maier, F., Zagar, B.G.

“…This paper is concerned with the accurate laminary determination of the thickness of coatings on metallic surfaces. The development goal was to devise a system…”
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Iteration Methods to Precisely Locate Edges of Hot Objects Using Simple Infrared-Sensing Elements by Rupitsch, Stefan J, Zagar, Bernhard G

“…This paper deals with novel mathematical methods to locate the edges of heated planar objects employing simple photodiodes. Thereby, both the lateral edge…”
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