Multifunction high temperature coating system based on aluminium particle technology (2008)
Kolarik, V., Juez-Lorenzo, M., Anchustegui, M., Fietzek, H.
Spherical Al particles sized in the range of 2 to 5 pin were deposited with an organic binder by brushing on the austenitic steel X6 CrNi 18-10 (Alloy 304H). The coated samples, were annealed in air...
Projection maskless lithography (PML2): Proof-of-concept setup and first experimental results (2008)
Klein, C., Platzgummer, E., Loeschner, H., Gross, G., Dolezel, P., Tmej, M., ...
Projection Mask-Less Lithography (PML2) is a potentially cost-effective multi electron-beam solution for the 32nm-node and beyond. PML2 is targeted on using hundreds of thousands of individually...
Kodjamanova, P., Fietzek, H., Juez-Lorenzo, M., Kolarik, V., Hattendorf, H.
In order to contribute to a better understanding of the processes, which occur in the structure of FeCrAl alloys during oxidation, in situ - studies by two-dimensional high temperature X-ray...
Garcia-Vargas, M.J., Lelait, L., Kolarik, V., Fietzek, H.
Several stainless steels have been developed for the use as interconnect materials in solid oxide fuel cells in order to reduce costs, while maintaining the required performance. The materials...
Influence of nano-particle size on the oxidation behaviour of Al, Fe and Cu (2005)
Eisenreich, N., Fietzek, H., Juez-Lorenzo, M., Kolarik, V., Weiser, V., Koleczko, A.
The addition of ultra-fine and nano-sized particles in composite materials influences their proper I ties. In order to understand the influence of the nano-size of metal particles on the oxidation...
Krukovsky, P., Tadlya, K., Rybnikov, A., Kolarik, V., Stamm, W.
Calculational and experimental approach was developed for life time analysis of MCrAlY coatings for industrial gas turbine blades. This approach based on the model that describes the main diffusion...
On the mechanism of low temperature oxidation for aluminum particles down to the nano-scale (2004)
Eisenreich, N., Fietzek, H., Juez-Lorenzo, M., Kolarik, V., Koleczko, A., Weiser, V.
The oxidation of Al-particles down to nano-scale was investigated by TG, SEM and in-situ X-ray diffraction. Al particles are usually coated by a 2 - 4 nm layer of Al2O3 which can be derived from the...
Mechanisms of low temperature oxidation for metal particles to nano-size (2004)
Eisenreich, N., Weiser, V., Fietzek, H., Juez-Lorenzo, M., Kolarik, V., Koleczko, A.
Oxidation of aluminum as an example for reactions of nanoparticles (2004)
Eisenreich, N., Fietzek, H., Juez-Lorenzo, M., Kolarik, V., Koleczko, A., Weiser, V.
Vargas, M.J.G., Lelait, L., Kolarik, V., Fietzek, H., Juez-Lorenzo, M.
Chomia forming steels are potential candidates for the use as low cost interconnectors in solid oxide fuel cells (SOFC) for electric power generation. The materials however, are subjected to humid...
In situ investigation of the oxide scale formation and recrystallization of a FeCrAl foil (2004)
Rol, L., Kolarik, V., Juez-Lorenzo, M., Fietzek, H., Eisenreich, N.
For practically all alumina formers like the FeCrAl alloys for automotive catalyst Support foils a critical temperature interval exists, in which metastable phases like theta-Al2O3 are formed, that...
Lifetime prediction for MCrAlY coatings by means of inverse problem solution (IPS) (2004)
Krukovsky, P., Kolarik, V., Tadlya, K., Rybnikov, A., Kryukov, I., Mojaiskaya, N., ...
High Temperature Sulphidation of an HVOF NiCrAlY Bond Coat (2001)
Zurek, Z., Formanek, B., Kowalski, K., Jedlinski, J., Kolarik, V., Gil, A.
In situ measurement of stresses in alumina scales by high temperature x-ray diffraction (2001)
Kolarik, V., Fietzek, H., Juez-Lorenzo, M., Groß, M.
High temperature X-ray diffraction with parallel beam geometry was used for the in situ measurement of growth and residual stresses in the alpha -Al2O3 scale on PM 2000 during the growth of the oxide...
Verfahren und Vorrichtung zum Erzeugen von Waerme (2001)
Bossmann, H., Kranzmann, A., Schmutzler, H., Eisenreich, N., Heiberger, U., Kelzenberg, S., ...
DE 10015620 A UPAB: 20020524 NOVELTY - The method involves burning at least one organic fuel (7) in supercritical water (9K) with a defined quantity of air at a predetermined temperature of at least...
Design of self-checking fully differential circuits and boards (2000)
Lubaszewski, M., Mir, S., Kolarik, V., Nielsen, C., Courtois, B.
A design methodology for on-line testing analog linear fully differential (FD) circuits is presented in this work. The test strategy is based on concurrently monitoring via an analog checker the...
Diffraction par RX fonction de la température, Complémentarité avec l'analyse thermique (2000)
Engel, W., Eisenreich, N., Fietzek, H., Herrmann, M., Kolarik, V., Broll, N.
Design of self-checking fully differential circuits and boards (1999)
Lubaszewski, M., Mir, S., Kolarik, V., Nielsen, C., Courtois, B.
A design methodology for on-line testing analog linear fully differential (FD) circuits is presented in this work. The test strategy is based on concurrently monitoring via an analog checker the...
Studies of the bond-coat oxidation and phase structure of TBCs (1999)
Czech, N., Fietzek, H., Juez-Lorenzo, M., Kolarik, V., Stamm, W.
Wagner, M., Kolarik, V., Michelfelder, B., Juez-Lorenzo, M., Hirth, T., Eisenreich, N., ...
Die Oxidation von Schadstoffen in überkritischem Wasser (SCWO - Supercritical Water Oxidation) ist ein vielversprechendes Verfahren für die zukünftige Entsorgung von schwer abbaubaren oder...
Temperature resolved X-ray diffraction as a tool of thermal analysis (1997)
Engel, W., Eisenreich, N., Herrmann, M., Kolarik, V.
Time and temp. resolved X-ray diffraction was used for thermal anal. Series of diffraction patterns were measured, while the samples are heated/cooled stepwise or isothermally with freely selectable...
High-temperature oxidation of Fe-Al alloys studied by in situ x-ray diffraction (1997)
Kolarik, V., Fietzek, H., Engel, W., Eltester, B., Grabke, H.J.
The high-temp. oxidn. of Fe-Al alloys with Al contents of 5-30% was studied at 900.degree. by high-temp. x-ray diffractometry. The technique allowed the in-situ identification of the oxidn. products...
Corrosion of nickel-base alloy under the conditions of supercritical water oxidation (SCWO) (1997)
Gonzalez, V., Michelfelder, B., Kolarik, V., Juez-Lorenzo, M., Hirth, T., Eisenreich, N.
Automatic test generation for maximal diagnosis of linear analog circuits (1996)
Courtois, B., Kolarik, V., Lubaszewski, M., Mir, S.
A fault-based multifrequency test generation and fault diagnosis procedure is proposed in this work. The procedure selects a minimal set of test measures and generates the minimal set of frequency...
Fault-based testing and diagnosis of balanced filters (1996)
Courtois, B., Kolarik, V., Lubaszewski, M., Mir, S.
The test and diagnosis of fully differential analogue filters are addressed in this paper. Full coverage of hard/soft faults affecting circuit behaviour can be achieved by adjusting the tolerance...
Fault-based testing and diagnosis of balanced filters (1996)
Mir, S., Lubaszewski, M., Kolarik, V., Courtois, B.
The test and diagnosis of fully differential analogue filters are addressed in this paper. Full coverage of hard/soft faults affecting circuit behaviour can be achieved by adjusting the tolerance...
Automatic Test Generation for Maximal Diagnosis of Linear Analogue Circuits (1996)
Mir, S., Courtois, B., Lubaszewski, M., Kolarik, V.
A fault-based multifrequency test generation and fault diagnosis procedure is proposed in this work. The procedure selects a minimal set of test measures and generates the minimal set of frequency...
Automatic test generation for maximal diagnosis of linear analog circuits (1996)
Mir, S., Lubaszewski, M., Kolarik, V., Courtois, B.
A fault-based multifrequency test generation and fault diagnosis procedure is proposed in this work. The procedure selects a minimal set of test measures and generates the minimal set of frequency...
Automatic Test Generation for Maximal Diagnosis of Linear Analog Circuits (1996)
S. Mir, M. Lubaszewski, V. Kolarik, B. Courtois
A fault-based multifrequency test generation and fault diagnosis procedure isproposed in this work. The procedure selects a minimal set of test measures and generates the minimal set of frequency...
Analog checkers with absolute and relative tolerances (1995)
Courtois, B., Kolarik, V., Lubaszewski, M., Mir, S.
The design of checkers aimed at the concurrent test of analog and mixed-signal circuits is considered in this paper. These checkers can on-line test duplicated and fully differential analog circuits....
Analog checkers with absolute and relative tolerances (1995)
Kolarik, V., Mir, S., Lubaszewski, M., Courtois, B.
The design of checkers aimed at the concurrent test of analog and mixed-signal circuits is considered in this paper. These checkers can on-line test duplicated and fully differential analog circuits....
Mixed-signal circuits and boards for high safety applications (1995)
Lubaszewski, M., Kolarik, V., Mir, Salvador, Nielsen, C., Courtois, B.
A design methodology for analogue on-line test is presented by means of a real circuit implementation. The test strategy is based on monitoring via a very small analogue checker the inputs of all...
Built-in self-test and fault diagnosis of fully differential analogue circuits (1994)
Courtois, B., Kolarik, V., Lubaszewski, M., Mir, S., Nielsen, C.
An approach to the test and diagnosis of fully differential analogue circuits is described in this paper. The test approach is based on off-line monitoring via an analogue BIST observer the inputs of...
Designing self-exercising analogue checkers (1994)
Kolarik, V., Lubaszewski, M., Courtois, B.
The design of checkers suitable for concurrent error detection in analogue and mixed-signal circuits is addressed in this paper. These checkers can on-line test duplicated and fully differential...
Built-in self-test and fault diagnosis of fully differential analogue circuits (1994)
Mir, S., Kolarik, V., Lubaszewski, M., Nielsen, C., Courtois, B.
An approach to the test and diagnosis of fully differential analogue circuits is described in this paper. The test approach is based on off-line monitoring via an analogue BIST observer the inputs of...
Stabilized Ammonium Nitrate for Applications in Gas Generators (1994)
Herrmann, M., Engel, W., Eisenreich, N., Kolarik, V.
Ammonium nitrate can be used as oxidizer in gas generator systems, when the difficulties caused by its polymorphism are overcome. This can be reached by using absolutely dry ammonium nitrate or by...
High temperature corrosion kinetics by a fast X-ray diffraction method applied to nickel (1993)
Kolarik, V., Juez-Lorenzo, M., Eisenreich, N., Engel, W.
Temperature and time resolved X-ray diffraction was used as an in situ method, which allows the determination of kinetic data combined with the identification of the corrosion products. The...
Juez-Lorenzo, M., Kolarik, V., Eisenreich, N., Engel, W., Criado, A.
Temperature and time resolved X-ray diffraction was applied to studies of the high temperature oxidation of iron in air in isothermal measurements between 700 and 920 °C. With the measured series of...
Towards self-checking mixed-signal integrated circuits (1993)
Kolarik, V., Lubaszewski, M., Courtois, B.
In this paper, we address the design of analogue sections of mixed-signal integrated circuits which comply with existing self-checking digital sections. Fully differential analogue functional blocks...
Der Einsatz der zeit- und temperaturaufgelösten Röntgenbeugung zur Untersuchung der Hochtemperaturkorrosion ermöglicht eine Identifizierung der Korrosionsprodukte in situ und die Bestimmung der...
Kolarik, V., Juez-Lorenzo, M., Engel, W., Eisenreich, N.
The formation of alpha-Fe2O3 on Fe3O4 during the oxidation of iron below 570 deg. C occurs very slowly and the scales are so thin that they cannot be detected by microscopy. X-ray diffraction with...
Kinetics of growing oxide layers studied by means of X-ray diffraction. (1993)
Kolarik, V., Engel, W., Eisenreich, N.
The growth of oxide scales on Ni at high temperatures was observed by means of X-ray diffraction using a diffractometer combined with a high temperature device for temperatures between 20 and 1700...
Kolarik, V., Eisenreich, N., Engel, W., Juez-Lorenzo, M.
Time and temperature resolved X-ray diffraction was applied as an in situ method to the investigation of high-temperature corrosion. Series of diffraction patterns are recorded during the reaction...
Application of X-ray diffraction to studies of high temperature corrosion of iron (1993)
Juez-Lorenzo, M., Kolarik, V., Eisenreich, N., Engel, W., Criado, A.J.
Temperature resolved X-ray diffraction was applied to studies of high temperature oxidation of steel between 100 and 1400 degree Celsius in air. With the measured series of diffraction patterns the...
Application of time and temperature resolved X-ray diffraction -TRXRD- to thermal analysis (1993)
Engel, W., Eisenreich, N., Alonso, M., Kolarik, V.
The application of TRXRD for thermal analysis is demonstrated using examples of phase transitions, solid-state reactions and high-temperature corrosion. The measuring system produces a series of...
Ammonium nitrate, a less polluting oxidizer. (1993)
Engel, W., Eisenreich, N., Deimling, A., Herrmann, M., Juez-Lorenzo, M., Kolarik, V.
Oxidizers based on ammonium nitrate can be used for the development of insensitive, low signature and less polluting propellants. Therefore NH4NO3, NH4NO3/KNO3, NH4NO3/CsNO3, NH4NO3/Diammine-Nickel,...
High temperature corrosion kinetics by a fast X-ray diffraction method applied to nickel (1993)
Kolarik, V., Juez-Lorenzo, M., Eisenreich, N., Engel, W.
Temperature and time resolved X-ray diffraction was used as an in situ method, which allows the determination of kinetic data combined with the identification of the corrosion products. The...
Juez-Lorenzo, M., Kolarik, V., Eisenreich, N., Engel, W., Criado, A.
Temperature and time resolved X-ray diffraction was applied to studies of the high temperature oxidation of iron in air in isothermal measurements between 700 and 920 °C. With the measured series of...
High temperature corrosion kinetics by a fast X-ray diffraction method applied to nickel (1993)
Kolarik, V., Juez-Lorenzo, M., Eisenreich, N., Engel, W.
Temperature and time resolved X-ray diffraction was used as an in situ method, which allows the determination of kinetic data combined with the identification of the corrosion products. The...
Juez-Lorenzo, M., Kolarik, V., Eisenreich, N., Engel, W., Criado, A.
Temperature and time resolved X-ray diffraction was applied to studies of the high temperature oxidation of iron in air in isothermal measurements between 700 and 920 °C. With the measured series of...
Kolarik, V., Eisenreich, N., Engel, W., Juez-Lorenzo, M.
Temperature resolved X-ray diffraction using a diffractometer equipped with a high temperature device was applied to the study of the oxidation of Fe-ARMCO below 570 degree C. The oxidation products...
Study of non-isothermal oxidation kinetics using a fast X-ray diffraction method (1991)
Eisenreich, N., Engel, W., Juez-Lorenzo, M., Kolarik, V.
The surface structure of Fe samples was followed by X- ray diffraction during heating from 50 to 550degreeC. The oxidation products could be identified in situ. The difference method yields curves...
In-situ-Untersuchung der Hochtemperaturkorrosion von Stählen mittels Röntgenbeugung (1991)
Criado, A.J., Eisenreich, N., Engel, W., Juez-Lorenzo, M., Kolarik, V.
Röntgenbeugung ermöglicht eine in-situ-Beobachtung der Hochtemperaturkorrosion. Das Meßsystem besteht aus einem Röntgengoniometer mit aufmontierter Temperaturkammer, die ein Aufheizen der Probe...
Eisenreich, N., Engel, W., Juez-Lorenzo, M., Kolarik, V.
Ein schnelles Röntgenbeugungsverfahren wurde eingesetzt, um die Hochtemperaturoxidation von Stählen in situ zu untersuchen. Das Meßsystem setzt sich zusammen aus einem Siemens-Röntgengoniometer...
Hochtemperaturkorrosions-Untersuchung an Stählen (1990)
Eisenreich, N., Engel, W., Juez-Lorenzo, M., Kolarik, V.
Ein schnelles Röntgenbeugungsverfahren wurde eingesetzt, um die Hochtemperaturoxidation von Stählen in situ zu untersuchen. Das Meßsystem setzt sich zusammen aus einem Siemens-Röntgengoniometer...
Juez-Lorenzo, M., Kolarik, V., Eisenreich, N., Engel, W.
Ein schnelles Röntgenbeugungsverfahren wurde eingesetzt, um die Bildung von Oxiden an der Oberfläche von Fe-C-Legierungen in Abhängigkeit von der Temperatur zu untersuchen. Die Proben wurden bei...
Eisenreich, N., Engel, W., Kolarik, V.
Ein Meßsystem wurde vorgestellt, mit dem kristalline Materialien frei wählbaren Temperaturzyklen unterworfen werden und die Strukturänderungen mit der Röntgenbeugung registriert werden können....