Prof. Dr. rer. nat. Olaf Krause
Prodekan
- Advancements in refractory castables : enhancement of green-state and high-temperature performances of collodial spinel bonded castables
Abdelouhab, Sandra; Delmotte, Cathy; Mastroianni, Isabella et al. - Enhanced rheological characterisation of vibratable castables : a comparative study between conventional slump tests and 3D spread flow measurements
Kakavand, M.; Ibarra Plata, L. T.; Zoch, J. et al. - Formation of green strength in hydraulically bonded refractory castables at room temperature
Kasper, J.; Krause, O.; Dannert, C. - Influence of the ceramic matrix' specific surface area on the deflocculation and the first stiffening of ca cement bonded refractory castables
Waldstädt, Tim; Kasper, Johannes; Dannert, Christian et al. - Targeted formation of melting phases to improve the thermomechanical properties as well as the corrosion and erosion resistance of refractory castables
Klein, Lee; Hauke, Matthias; Krause, Olaf et al. - The Raman Spectra of α- and β-Si3N4 and Si2N2O Determined Experimentally and by Density Functional Theory
Kehren, Johannes T.; Fischer, Michael; Krause, Olaf - Adaption of the contour-crafting process to refractories and investigation of material properties after the 3D printing process
Holleyn, Florian; Klein, Lee; Zimmer, Sinje et al. - Bachelor of ceramic science (dual) at Koblenz University of Applied Sciences : an opportunity for the industry to overcome skills shortage
Krause, Olaf - How the composition of self-flowing refractory castables influences their rheological properties
Bastian, Marcel; Sollbach, Maren; Kasper, Johannes et al. - In situ high-temperature raman spectroscopy : a powerful toll for studying refractory materials
Zimmer, Sinje; Kehren, Johannes; Krause, Olaf - Influence of deflocculants on the cement hydrate phase formation and technological properties of CAC-bonded castables during the first heating process
Noll, B.; Stein, T.; Krause, O. et al. - Influence of sintering additives and sol-gel bonding agents on workability and flexural strength of cement influence of sintering additives free castables
Ibarra Plata, L. T.; Thiesen, M.; Krause, Olaf et al. - Investigation of the influence of impurities typical in secondary raw materials on the behavior of high alumina castables – Part 1: Design of the castables, setting properties and high temperature fracture behavior
Erbar, Laura; Sarnow, Katharina; Krause, Olaf et al. - Investigation of the milling route for the development of colloidal suspensions to be used as binder in refractory castables
Abdelouhab, S.; Lang, C.; Delmotte, C. et al. - Investigation of the role of impurities typical in secondary raw materials on the behaviour of high alumina castables - Part II: Influence on thermomechanical behaviour
Podwórny, Jacek; Dudek, Karolina; Kujawa, Magdalena et al. - Investigation of the simultaneous influence of mechanical loading and thermal gradient as occurring in recfractory linings on the refractory microstructure and physical properties
Brochen, Erwan; Kaminski, Michael; Dannert, Christian et al. - Knowledge about the carbon deposition in the microstructure of refractory materials
Koch, Alexandra; Krause, Olaf; Steffen, Tobias et al. - New method for the determination of the dynamic viscosity of castables
Bastian, Marcel; Kasper, Johannes; Dannert, Christian et al. - Online drying monitoring system for refractory castables
Stein, Thekla; Krause, Olaf; Taute, Wolfgang et al. - Rheology of refractory castables - part 1 : A novel 3D spread flow measuring device allows to determine more precisely the workability of refractory castables
Krause, Olaf; Pokhrel, A.; Ibarra Plata, L. T. et al. - Rheology of refractory castables - part 2 : Influence of the mixing energy input in terms of mixing time and velocity on the spread measured with a new 3D-spread-flow device with special regard towards the ambient working conditions
Krause, Olaf; Pokhrel, A.; Ibarra Plata, L. T. et al. - The influence of firing parameters on the formation of nitride phases in nitride bonded silicon carbides
Kehren, J.T.; Steffen, T.; Hauke, M. et al. - The influence of the gas permeability of refractory materials on carbon deposition in co containing atmospheres
Steffen, T.; Dannert, C.; Koch, A. et al. - Developing Setting Models for PCE-dispersed and CA-Cement-bonded Refractory Castables
Kasper, Johannes; Krause, Olaf; Quirmbach, Peter - Development of a boehmite colloidal suspension as new binder for refractory castables
Abdelouhab, Sandra; Delmotte, Cathy; Lang, Charlotte et al. - Growth and development of carbon nanotubes in cement bonded refractory materials
Koch, A.; Krause, Olaf; Steffen, T. et al. - Influence of deflocculants on the cement hydrate phase formation and their impact on the technological properties of cac bonded castables
Noll, B.; Stein, T.; Krause, Olaf et al. - Influence of deflocculants on the drying behaviour of calcium aluminate bonded refractory castables
Simmat, R.; Dannert, C.; Noll, B. et al. - Investigation of fracture behavior of typical refractory materials up to service temperatures
Brochen, Erwan; Dannert, Christian; Paul, Juliane et al. - Investigations of alkali corrosion in a temperature gradient by a unique corrosion test setup
Hauke, K.; Simmat, R.; Kaminski, M. et al. - Measurement of the dynamic viscosity of refractory castables : interaction between slurry and aggregates
Bastian, M.; Kasper, J.; Dannert, C. et al. - Raman-Spektroskopie ermöglicht neue Einblicke in die keramische Welt
Zimmer, Sinje; Kehren, Johannes; Klein, Lee et al. - Research and development of new 3D printing technologies and adaptation of the contour-crafting process to refractories - Part I : Basics of the printing process and contour-crafting setup
Klein, Lee; Holleyn, Florian; Zimmer, Sinje et al. - Research and development of new 3D printing technologies and adaptation of the contour-crafting process to refractories - Part II : Castable development
Holleyn, Florian; Klein, Lee; Zimmer, Sinje et al. - Research and development of new 3D printing technologies and adaptation of the contour-crafting process to refractories - Part III : In situ raman spectroscopy of refractory castables
Zimmer, Sinje; Klein, Lee; Holleyn, Florian et al. - Testing the co resistance of refractory materials : a new technological approach to deliver reliable results in shorter testing times
Steffen, T.; Dannert, C.; Fischer, J. et al. - The informative value of crucible tests for alkali corrosion in refractory castables
Paul, J.; Krause, Olaf; Erbar, L. et al. - 3DK Competence Center Investigates the Potentials of Contour Crafting
Klein, Lee; Holleyn, Florian; Zimmer, Sinje et al. - Dispersion and stiefening behavior of matrixsuspensions of refractory castables in the presence of impurieties
Kasper, J.; Dannert, C.; Koch, A. et al. - Kompetenzzentrum 3DK erforscht Potenziale des Contour-Craftings
Klein, Lee; Holleyn, Florian; Zimmer, Sinje et al. - Oxidation of SI3N4 bonded SiC : how chemical composition and pore parameters influence the oxidation behaviour
Bastian, M.; Dannert, C.; Kehren, J. et al. - Proper mixing is a still undervalued key issue for targeted development and fabrication of refractory monolithics for reproducible material properties
Holleyn, F.; Klein, L.; Krause, Olaf - Setting properties of refractory model castables : influence of impurities on coagulation and hydration. A case study based on the addition of traces of MgCl2
Kasper, J.; Dannert, C.; Koch, A. et al. - Cement free refractory castables for waste and biomass incineration : silicon carbide raw material characterization, fabrication process and properties
Holleyn, F.; Krause, Olaf; Erbar, L. et al. - Correlation between the high temperature thermal shock resistance of cement and colloidal silica bonded high alumina refractory castables and their thermomechanical properties
Brochen, E.; Dannert, C.; Holleyn, F. et al. - Influence of Additives on the Crystallization and Dehydration of Calcium-Aluminate-Hydrate Phases in Refractory Castables
Simmat, R.; Dannert, C.; Erbar, L. et al. - Influence of recycled refractory raw materials on the coagulation and setting behavior of CAC-bonded refractory castables
Koch, A.; Krause, Olaf; Kasper, J. et al. - Novel insights into the oxidation mechanism of NSiC – Influence of pore characteristics
Bastian, M.; Dannert, C.; Kehren, J. et al. - The effect of permeability enhancement on dry-out behavior of CA- and microsilica gel-bonded castables as determined by NMR
Barakat, A.J.; Pel, L.; Adan, O.C.G. et al. - The influence of open porosity and Si3N4 morphology on the oxidation resistance of nitride bonded silicon carbides (NSiC) – studied by scanning electron microscopy
Kehren, J.; Zimmer, S. U.; Krause, Olaf et al. - Anomalous thermo-mechanical behaviour of sol-gel bonded alumina castables under cyclic heating and cooling conditions
Krause, Olaf; Podwórny, J.; Dudek, K. et al. - Direct observation of the moisture distribution in calcium aluminate cement and hydratable alumina‐bonded castables during first‐drying : An NMR study
Barakat, Ahmed J.; Pel, Leo; Krause, Olaf et al. - Impact of Ca2+ dissolution from cac on the stability of matrix suspensions of deflocculated refractory castables : from mixing to the first setting
Krause, Olaf; Kasper, J.; Dannert, C. et al. - Impact of cubic-shaped grain fractions on the explosion resistance of high-alumina castables
Krause, Olaf; Erbar, L.; Steffen, T. et al. - In situ hyperspectral raman imaging of the time-dependent mineral phase evolution in calcium aluminate cements (cac) after the addition of water
Krause, Olaf; Zimmer, Sinje; Hauke, Kerstin et al. - Influence of Additives on the Crystallization and Dehydration of Calcium-Aluminate-Hydrate Phases – Part I: The Change of Hydrate Phase Formation as a Function of Surface-active Substances in Refractory Castables Investigated by Field Emission Scanning Electron Microscopy
Krause, Olaf; Erbar, Laura; Ulbrich, C. et al. - Influence of Additives on the Crystallization and Dehydration of Calcium-Aluminate-Hydrate Phases in Refractory Castables : Part II ; Dehydration Observed by Monotonic Heating
Krause, Olaf; Simmat, R.; Dannert, C. et al. - Influence of the particle shape on the thermomechanical properties of high alumina castables at high temperature
Krause, Olaf; Brochen, E.; Dannert, C. et al. - Koblenz University of Applied Science, Department of Materials Engineering, Glass and Ceramics Launched a Praxis-integrated Bachelor-degree Programme
Krause, Olaf; Schwarz, B. - Matrix design in high alumina refractory castables : Part II ; Assessment of the brittle-ductile transition temperature and ways to influence it
Krause, Olaf; Brochen, Erwan; Dannert, Christian et al. - Matrix design in high-alumina refractory castables : Part I ; Enhanced sintering at low temperatures in service, long-term investigations and microstructure evolution
Krause, Olaf; Holleyn, Florian; Brochen, Erwan et al. - Microstructure evolution and enhanced sintering of high-alumina refractory castables with a smart matrix at service conditions
Krause, Olaf; Holleyn, F.; Brochen, E. et al. - New Insights into the Nature of Bond in Refractory Materials Using Soft X-Ray Emission Spectroscopy for SEM Applications
Krause, Olaf; Kehren, J. - Radar Based Investigation of the Decomposition of Hydrate Phases in Calcium Alumina Concrete
Krause, Olaf; Stein, T. - Recycled Raw Materials in Refractory Castables – Part 1/3 : Water Soluble Ions from Recycled Refractory Raw Materials in Alkaline Solution
Krause, Olaf; Kasper, Johannes; Dannert, Christian et al. - Recycled Raw Materials in Refractory Castables – Part 2/3 : Influence of Water Soluble Ions from Recycled Refractory Raw Materials on the Dispersion and Coagulation of the Matrix Suspension of CAC-bonded Refractory Castables
Krause, Olaf; Kasper, Johannes; Dannert, Christian et al. - Recycled Raw Materials in Refractory Castables – Part 3/3 : Influence of Watersoluble Ions from Recycled Refractory Raw Materials on the Coagulation and
Hydration Velocity of CAC-bonded Refractory Castables
Krause, Olaf; Koch, Alexandra; Dannert, Christian et al. - Splintered versus Cubic Gains in High Alumina Castables – Part I : Examination of the Impact of the Particle Shape on the Explosion Resistance
Krause, Olaf; Erbar, Laura; Steffen, Tobias et al. - Splintered versus Cubic Grains in High Alumina Castables – Part II : Influence of Aggregate Shapes on Thermomechanical and Microstructural Changes during the Initial Heat-up
Krause, Olaf; Abdelouhab, Sandra; Pilate, Pascal et al. - Splintered versus cubic grains in high alumina castables : Part III ; Assessment of the tendency for failure in the wear lining of a modelled steel ladle using the Drucker-Prager failure criterion
Krause, Olaf; Brochen, Erwan; Sollbach, Maren et al. - Time-dependent Changes of the Mineral Population in Calcium Aluminate Cements (CAC) after the Addition of Water Studied In Situ with Hyperspectral Raman Imaging
Krause, Olaf; Zimmer, Sinje; Hauke, Kerstin et al. - Combining the uniaxial compression and diametrical compression tests to derive an improved failure criterion for refractories up to high temperatures
Krause, Olaf; Brochen, E.; Dannert, C. et al. - Flexibilitätsoptionen in der Grundstoffindustrie : Methodik, Potenziale, Hemmnisse
Krause, Olaf - High temperature phase transformations in the matrix of high-alumina monolithics
Krause, Olaf; Podwórny, J.; Dudek, K. et al. - How to Investigate the Setting Kinetics of Refractory Castables : A Review of Methods and Their Relevancy for Technical Use
Krause, Olaf; Tischer, D. - Impact of cubic-shaped grain fractions on the working properties and green strength of high-alumina castables
Krause, Olaf; Erbar, L.; Brochen, E. et al. - Improved sintering due to an intelligent matrix design of high-alumina refactory monolithics that is adjusted to the service conditions
Holleyn, F.; Krause, Olaf; Odziomek, M. et al. - Modification of the morphology of cement hydrate phases by using surface reactive substances
Krause, Olaf; Ulbrich, C.; Stein, T. et al. - Radar technology based investigation on the formation of hydrate phases in refractory concrete
Krause, Olaf; Ulbrich, C.; Stein, T. - A Contribution to the Understanding of the Failure Mechanism of High Alumina Refractory Castables under Practice-Oriented Thermal Shock Conditions
Brochen, Erwan; Dahlem, Emilie; Dannert, Christian et al. - CAC bond refractory castables : When does the hydraulic reaction take place in LC-castables?
Krause, Olaf; Holleyn, Florian; Kasper, Johannes et al. - Development of a fractography method to investigate the crack path induced during wedge splitting test of alumina-spinel castables
Pilate, P.; Preux, N.; Lardot, V. et al. - Evolution of the thermomechanical properties of spinel forming high alumina castables at elevated temperature : investigation of the complex interplay of the temperature and the duration of exposure to that temperature
Krause, Olaf; Brochen, E.; Dannert, C. et al. - How does the pH-value influence the setting kinetics of hydraulically bonded refractory castables?
Kasper, J.; Bastian, M.; Dannert, C. et al. - Improved high temperature thermal shock resistance of high alumina refractory monolithics thanks to in-situ spinel formation in a smart matrix
Holleyn, Florian; Krause, Olaf; Brochen, Erwan et al. - Integrating education concepts – The Koblenz region offers a one-of-a-kind infrastructure to localize and qualify future specialists in order to ensure reliable and continuous provision of best-skilled engineers to the Refractory Industry
Krause, Olaf; Quirmbach, Peter - Matrix Design for Improved Spinel Formation in High Alumina Refractory Monolithics that is Adjusted to the Service Conditions
Holleyn, Florian; Krause, Olaf; Rossdeutscher, Jan et al. - Monolithic Refractories Design with Improved Strength due to Smart Particle Distribution in Size and Shape
Erbar, Laura; Krause, Olaf; Holleyn, Florian et al. - Multiscale, Computer Aided Method for the Characterisation of Refractory Castables Microstructure
Preux, Nicolas; Pilate, Pascal; Lardot, Véronique et al. - Only Precise Documentation of the Preparation Conditions leads to reproducible and traceable Results in the Research of Refractory Castables
Krause, Olaf; Kasper, Johannes; Tischer, Daniel et al. - Automatic image analysis of the slump flow and comparison to rheometrical measurements with the ball measuring system
Krause, Olaf; Klein, L. - How does the spinel formation improve the flexibility of spinel forming alumina castables at elevated temperature?
Krause, Olaf; Holleyn, F.; Brochen, E. et al. - Phase transformations and sintering in refractory materials identified by the method of monotonic heating (MMH)
Krause, Olaf; Simmat, R.; Rathaj, M. et al. - Spinel yield using magnesium oxide and magnesite in alumina-based refractory monolithics
Krause, Olaf; Holleyn, F.; Brochen, E. et al. - The influence of the water-to-cement ratio on the formation of ca hydrate phases in refractory castables after water addition
Krause, Olaf; Tischer, D.; Kasper, J. et al. - Detection of melt formation in a LCC spiked with sintering aids by the Method of Monotonic Heating (MMH)
Krause, Olaf; Rathaj, M.; Brochen, E. et al. - Determination of the rheological behavior of refractory castables by using the Ball Measurement System (BMS)
Stein, T.; Tischer, D.; Krause, Olaf - Effect of sintering aids on the thermo-mechanical properties of a LCC determined by wedge splitting tests at critical temperaturesidentified by the Method of Monotonic Heating (MMH)
Brochen, E.; Simmat, R.; Dannert, C. et al. - In-Situ determination of sintering processes in refractory materials by the Method of Monotonic Heating (MMH)
Simmat, R.; Brochen, E.; Dannert, C. et al. - The formation velocity of CA hydrate phases in refractory castables after water addition
Tischer, Daniel; Krause, Olaf; Kasper, Johannes et al. - Implementation of a standard test method for abrasion resistance of refractory materials for testing at elevated temperatures
Simmat, Ralf; Dannert, Christian; Krause, Olaf et al. - Integrating Education Concepts: The Koblenz region offers a one-of-a-kind infrastructure to identify and qualify specialists in order to ensure reliable and continious provision of best-skilled employees to the Refractory industry
Quirmbach, Peter; Krause, Olaf - Koblenz University of Applied Sciences, Department of Materials Engineering, Glass and Ceramics, playing a key role in the Science and Education network for the Refractory industry
Krause, Olaf; Quirmbach, Peter - Mixing Optimization of an Alumina Based LC-Castable by Applying Variable Power Inputs
Krause, Olaf; Kasper, J. - Refractory ceramics
Krause, Olaf - Refractory Industry Suffers Financial Damages Through Imprecise Test Procedures for the Determination of the Coresistance of Refractory Materials : Time to Review ISO 12676 and ASTM C 288
Krause, Olaf; Dannert, Christian; Redecker, Lisa - Setting velocity of cement pastes and monolithic : the impact of Mixing
Krause, Olaf; Klein, Tristan; Tischer, Daniel et al. - Wear of Monolithic Al₂O₃-SiC-C Refractories in the Slag Runner of a Cupola Furnace
Zimmermann, Jörg; Krause, Olaf; Quirmbach, Peter - Determination of Resistance to Abrasion at Ambient Temperature : in Order to Establish Better Comparability Between Laboratories, Existing Standards have to be Revised
Urbanek, Gerhard; Körber, Hartmut; Krause, Olaf - Jahresübersicht Feuerfeste Baustoffe : 26. Folge
Krause, Olaf - Neue Ergebnisse zum Verhalten von feuerfesten Erzeugnissen in CO-Atmosphäre : Vorschläge zur Verbesserung der aktuellen Prüfnormen ; Teil 2
Krause, Olaf; Dannert, Christian; Redecker, Lisa - Wear of Monolithic Al2O3–SiC–C Refractories in the Slag Runner of a Cupola Furnace
Krause, Olaf; Quirmbach, Peter; Zimmermann, Jörg - Investigation of the tendency of liquid steel to infiltrate purging plugs
Krause, Olaf; Schwarz, K. - Neue Ergebnisse zum Verhalten von feuerfesten Erzeugnissen in CO-Atmosphäre : Vorschläge zur Verbesserung der aktuellen Prüfnormen ; Teil 1
Krause, Olaf; Redecker, Lisa; Dannert, Christian - Setting Kinetics of High-dispersed Refractory Castables
Cölle, Daniel; Schaffhauser, Holger; Krause, Olaf et al. - The electrical conductivity of refractory castables during setting : a simple and cost-effective measurement technique with considerations of reproducibility and applications
Krause, Olaf; Kasper, Johannes; Schwarz, Katharina - Correlation between solidification kinetic and strength development of high-dispersed LCC refractory castable systems at ambient temperature
Krause, Olaf; Cölle, Daniel; Schaffhauser, Holger et al. - Hardening Kinetics of refractory castables in terms of varying cement and disperging agens with reference to the expected drying behaviour
Krause, Olaf; Cölle, Daniel; Schaffhauser, H. et al. - Studies on wear of unshaped Al2O3-SiC-C materials by means of optical ca-thodoluminescence microscopy : A fast, powerful method to distinguish between refractory melt interactions and thermally and pO2 induced in situ material alteration
Krause, Olaf; Hemberger, Yannick; Presser, Volker et al. - Setting velocity of refractory castables in terms of varying cement and dispersant agents, derived by means of measurements of electrical conductivity and sonic velocity
Krause, Olaf; Cölle, Daniel; Jahn, Dana - Application of phosphate bonded castables in aluminium melting furnaces
Krause, Olaf; Simmat, R.; Brüggmann, C. - Development of monitoring tools to assist the drying of monolithic refractory materials
Krause, Olaf; Abdelouhab, S.; Cambier, M. et al. - Drying behaviour of hydraulic bonded unshaped refractory materialis subjected to the amount of calcium aluminate cement (CAC) used in the formulations
Krause, Olaf; Abdelouhab, S.; Cambier, F. et al. - Feuerfeste Baustoffe : 25. Folge
Krause, Olaf - Optical cathodoluminescence microscopy : a fast, powerful method to analyze refractories
Krause, Olaf; Hemberger, Y.; Presser, V. et al. - The impact of appropriate mixing treatment on the installation properties of unshaped refractory products
Krause, Olaf; Cölle, Daniel - Newest Developments in the Field of Testing Hot Properties of Refractory Products
Krause, Olaf; Simmat, Ralf; Pötschke, Jürgen et al. - Phase evolution of calcium aluminate cement in refractory castables at temperatures exeeding 1000°C
Krause, Olaf; Zimmermann, J. - Test procedures for unshaped refractories under the aspect of globalisation
Krause, Olaf; Krebs, R. - The predictability of CO-resistance of refractory materials by applying state of art standard test methods : a technical and scientific approach
Krause, Olaf; Pötschke, Jürgen - High temperature abrasion resistance of refractory products
Krause, Olaf; Simmat, Ralf; Brüggmann, Christian et al. - New strategies for advanced testing methods in the field of refractory products
Quirmbach, Peter; Krause, Olaf; Pötschke, Jürgen - Resistance of refractory products to carbon monoxide : kinetics of carbon deposition in consideration of apparent carbon modifications
Krause, Olaf; Pötschke, Jürgen - CO-resistance of unshaped refractory products
Krause, Olaf; Pötschke, Jürgen; Schmid, Christian - High temperature abrasion resistance of cement-based refractories
Brüggmann, Christian; Krause, Olaf; Pötschke, Jürgen et al. - Studies on the wear of submerged entry nozzles
Deinet, Thomas; Krause, Olaf; Pötschke, Jürgen - A new method for testing abrasion resistance of refractory material at elevated temperatures
Krause, Olaf; Blumenberg, Marcus; Pötschke, Jürgen