FH Upper AustriaResearch & Development

Measuring and Testing Technology Research Center Wels Campus

Publications

Photothermal Porosity Estimation in CFRP by the Time-of-Flight of Virtual Waves

H. Plasser, G. Mayr, G. Thummerer, G. Hendorfer, P. Burgholzer, Z. Major - Photothermal Porosity Estimation in CFRP by the Time-of-Flight of Virtual Waves - JOURNAL OF NONDESTRUCTIVE EVALUATION, Vol. 39, No. 74, 2020, pp. 13
Porosity is an unavoidable defect in carbon fiber reinforced polymers and has noticeable effects on mechanical properties since gas filled voids weaken the…   mehr
  • Journal
  • Measuring and Testing Technolgy

Additive manufacturing and non-destructivetesting of topology-optimised aluminiumcomponents

S. Senck, M. Happl, M. Reiter, M. Scheerer, M. Kendel, J. Glinz, J. Kastner - Additive manufacturing and non-destructivetesting of topology-optimised aluminiumcomponents - Nondestructive Testing and Evaluation, Vol. 35, No. 3, 2020, pp. 315-327
Additive manufacturing (AM) unlocks novel industrial possibilities in relation to design optimisation for lightweight structures, e.g. in aero-space…   mehr
  • Journal
  • Measuring and Testing Technolgy

Analysis and comparison of algorithms for the tomographic reconstruction of curved fibres

B. Fröhler, T. Elberfeld, T. Möller, H. Hege, J. De Beenhouwer, J. Sijbers, J. Kastner, C. Heinzl - Analysis and comparison of algorithms for the tomographic reconstruction of curved fibres - Nondestructive Testing and Evaluation, Vol. 35, No. 3, 2020, pp. 328-341
We present visual methods for the analysis and comparison of the results of curved fibre reconstruction algorithms, i.e., of algorithms extracting…   mehr
  • Journal
  • Measuring and Testing Technolgy

Characterization of mid-wavelength quantum infrared cameras using the photon transfer technique

S. Breitwieser, G. Zauner, G. Mayr - Characterization of mid-wavelength quantum infrared cameras using the photon transfer technique - INFRARED PHYSICS & TECHNOLOGY, Vol. 106, No. 103283, 2020, pp. 6
Noise plays a fundamental role in connection with theoretical limits in the field of inverse thermal problems, since the solution accuracy for such inverse…   mehr
  • Journal
  • Measuring and Testing Technolgy

X-ray computed tomography in bonded aircraft repairs for composites

F. Röper, B. Plank, J. Glinz, M. Wolfahrt, G. Kucher, G. Pinter - X-ray computed tomography in bonded aircraft repairs for composites - Proceedings of 10th Conference on Industrial Computed Tomography (iCT) 2020, Wels, Austria, 2020, pp. 1-6
As bonded composite repairs are gaining importance for modern civil aircraft, it is necessary to investigate such repairs in detail under relevant…   mehr
  • Proceedings
  • Measuring and Testing Technolgy
  • Materials and Production Engineering

Photothermal porosity estimation in carbon fiber reinforced plastics based on the virtual wave concept

H. Plasser, G. Mayr, G. Thummerer, G. Hendorfer, P. Burgholzer - Photothermal porosity estimation in carbon fiber reinforced plastics based on the virtual wave concept - Proc. SPIE 11409, Thermosense: Thermal Infrared Applications XLII, Online Only, United States, United States of America, 2020, pp. 11
High strength and light weight, justify the frequent use of carbon fibre reinforced plastics for aeronautical applications. The manufacturing process of such…   mehr
  • Proceedings
  • Measuring and Testing Technolgy

Dynamic Volume Lines: Visual Comparison of 3D Volumes through Space-filling Curves

J. Weissenböck, B. Fröhler, E. Gröller, J. Kastner, C. Heinzl - Dynamic Volume Lines: Visual Comparison of 3D Volumes through Space-filling Curves - IEEE Transactions on Visualization and Computer Graphics (TVCG), Vol. 25, No. 1, 2019, pp. 1040-1049
The comparison of many members of an ensemble is difficult, tedious, and error-prone, which is aggravated by often just subtle differences. In this paper, we…   mehr
  • Journal
  • Measuring and Testing Technolgy

Estimation of Material Parameters from Pulse Phase Thermography Data

B. Stotter, K. Gresslehner, G. Mayr, G. Hendorfer, J. Sekelja - Estimation of Material Parameters from Pulse Phase Thermography Data - AIP Conference Proceedings, Baltimore, Spain, 2019
  • Proceedings
  • Measuring and Testing Technolgy

Cure monitoring of thermosetting polymers and associated composites by means of active thermography

G. Mayr - Cure monitoring of thermosetting polymers and associated composites by means of active thermography - Master/Diploma Thesis, University of Applied Sciences Upper Austria, Austria, 2019
The polymerisation of thermosetting polymers is an essential part in the production of fibre reinforced composites in autoclaves. An accurate measurement of…   mehr
  • Report
  • Measuring and Testing Technolgy

BONDED COMPOSITE REPAIRS UNDER DRY/COLD AND HOT/WET ENVIRONMENTAL CONDITIONS

F. Röper, C. Hannesschläger, B. Plank, M. Wolfahrt, G. Kucher, G. Pinter - BONDED COMPOSITE REPAIRS UNDER DRY/COLD AND HOT/WET ENVIRONMENTAL CONDITIONS - Proceedings of the 22nd International Conference on Composite Materials, Melbourne, Australia, 2019, pp. 1-12
Composite structures are increasingly present in various types of structures, especially in the aircraft industry. As a result, suitable repair strategies have…   mehr
  • Proceedings
  • Measuring and Testing Technolgy
  • Materials and Production Engineering

Combining digital image correlation, passive thermography and acoustic emission to investigate damage initiation and propagation of out-of-plane fiber waviness

M. Thor, H. Plasser, M. Nagler, F. Maier, R. Hinterhölzl, M. Sause - Combining digital image correlation, passive thermography and acoustic emission to investigate damage initiation and propagation of out-of-plane fiber waviness - Proceedings of the 22nd International Conference on Composite Materials, Melbourne, Australia, 2019
The currently limited capability to predict material failure in composite materials in general and in wavy composite layers specifically has led to high…   mehr
  • Proceedings
  • Measuring and Testing Technolgy
  • Materials and Production Engineering

Improved Visualization of Polymer Foams using Talbot-Lau Grating Interferometry to Reduce Metal Artifacts

J. Glinz, S. Senck, M. Reiter, A. Schrempf, D. Fürst, J. Kastner - Improved Visualization of Polymer Foams using Talbot-Lau Grating Interferometry to Reduce Metal Artifacts - Proceedings of International Symposium on Digital Industrial Radiology and Computed Tomography (DIR2019), Fürth, Fürth, Germany, 2019, pp. 1-9
The sufficiency of bone fixation via ceramic or metallic implants largely depends on the osseointegration at the bone-implant interface and is of major…   mehr
  • Proceedings
  • Measuring and Testing Technolgy

Grating-based dark-field imaging of additively manufactured carbon fiber reinforced composite parts

S. Senck, J. Glinz, B. Plank, A. Schrempf, H. Andreas, J. Kastner - Grating-based dark-field imaging of additively manufactured carbon fiber reinforced composite parts - XNPIG 2019, Sendai (Japan), Japan, 2019, pp. 1-2
  • Proceedings
  • Measuring and Testing Technolgy

Exploration of Talbot-Lau Grating Interferometry Computed Tomography Data by Interactive Transfer Function Combination

L. da Cunha Melo, B. Fröhler, J. Glinz, J. Kastner, C. Heinzl - Exploration of Talbot-Lau Grating Interferometry Computed Tomography Data by Interactive Transfer Function Combination - XNPIG 2019, Sendai (Japan), Japan, 2019, pp. 2
For the analysis of Talbot-Lau Grating Interferometry X-ray Computed Tomography (TLGI-XCT), information from its three imaging modalities (absorption contrast,…   mehr
  • Proceedings
  • Measuring and Testing Technolgy

Model Based Design of Inductive Components - Thermal Simulation and Parameter Determination

S. Merschak, M. Jungwirth, D. Hofinger, G. Ritzberger - Model Based Design of Inductive Components - Thermal Simulation and Parameter Determination - Computer Aided Systems Theory – EUROCAST 2019, Las Palmas, Gran Canaria, Spain, 2019, pp. 44-51
To ensure a faultless operation of an inductive component and to optimize the efficiency, the thermal behavior of the component has to be considered in an…   mehr
  • Proceedings
  • Measuring and Testing Technolgy
  • Automated Control Engineering and Simulation

Multimodal Transfer Functions for Talbot-Lau Grating Interferometry Data

L. da Cunha Melo, B. Fröhler, J. Weissenböck, J. Kastner, C. Heinzl - Multimodal Transfer Functions for Talbot-Lau Grating Interferometry Data - Proceedings of International Symposium on Digital Industrial Radiology and Computed Tomography (DIR2019), Fürth, Fürth, Germany, 2019, pp. 9
Talbot-Lau grating interferometry X-ray computed tomography (TLGI-XCT) generates three modalities depicting different features in the scanned specimen. The…   mehr
  • Proceedings
  • Measuring and Testing Technolgy

Multi-modal characterization of CFRP samples produced by resin infusion using phase contrast and dark-field imaging

S. Senck, J. Šleichrt, B. Plank, J. Glinz, J. Kastner, S. Ayalur-Karunakaran , D. Kytýř - Multi-modal characterization of CFRP samples produced by resin infusion using phase contrast and dark-field imaging - International Conference on Tomography of Materials & Structures, Cairns, Australia, 2019, pp. 1-2
In this work we present a multi-modal approach to characterize macro- and microstructural features in carbon fiber reinforced polymer samples produced by…   mehr
  • Proceedings
  • Measuring and Testing Technolgy

Multiscale and Multimodal Approaches for Threedimensional Materials Characterisation of Fibre Reinforced Polymers by Means of X-ray based NDT Methods

B. Plank, M. Schiwarth, S. Senck, J. Herr, S. Ayalur-Karunakaran , J. Kastner - Multiscale and Multimodal Approaches for Threedimensional Materials Characterisation of Fibre Reinforced Polymers by Means of X-ray based NDT Methods - Proceedings of International Symposium on Digital Industrial Radiology and Computed Tomography (DIR2019), Fürth, Fürth, Germany, 2019, pp. 1-11
Non-destructive testing (NDT) and three-dimensional materials characterisation of fibre reinforced polymers using X-ray based methods can be carried out at…   mehr
  • Proceedings
  • Measuring and Testing Technolgy
  • Materials and Production Engineering

Characterization of the microstructure of injection moulded fibre reinforced thermoplastics using high resolution X-ray computed tomography

J. Maurer, D. Salaberger, M. Jerabek, J. Kastner - Characterization of the microstructure of injection moulded fibre reinforced thermoplastics using high resolution X-ray computed tomography - DACH-Jahrestagung 2019, Friedrichshafen, Germany, 2019
  • Proceedings
  • Measuring and Testing Technolgy

Damage characterisation of short glass fibre reinforced polyamide with different fibre content by an interrupted in-situ X-Ray computed tomography test

J. Maurer, C. Hannesschläger, B. Plank, J. Kastner - Damage characterisation of short glass fibre reinforced polyamide with different fibre content by an interrupted in-situ X-Ray computed tomography test - Digital Industrial Radiology and Computed Tomography, Fürth, Germany, 2019
Short glass fibre reinforced polymers (SGFR) are increasingly used in automotive industry for the replacement of metals since they provide a significant…   mehr
  • Proceedings
  • Measuring and Testing Technolgy

An Interactive Visual Comparison Tool for 3D Volume Datasets represented by Nonlinearly Scaled 1D Line Plots through Space-filling Curves

J. Weissenböck, B. Fröhler, E. Gröller, J. Sanctorum, J. De Beenhouwer, J. Sijbers, S. Ayalur Karunakaran, H. Höller, J. Kastner, C. Heinzl - An Interactive Visual Comparison Tool for 3D Volume Datasets represented by Nonlinearly Scaled 1D Line Plots through Space-filling Curves - 9th International Conference on Industrial Computed Tomography (iCT) 2019, Padova, Italy, 2019, pp. 9
The comparison of many 3D volumes to find subtle differences is tedious, time-consuming and error-prone. Previously we presented Dynamic Volume Lines [1], a…   mehr
  • Proceedings
  • Measuring and Testing Technolgy

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