Fachaufsätze Hochtemperatur- und Funktionsschichten

R. Braun, M. Fröhlich, A. Ebach-Stahl, C. Leyens,

Investigation on the oxidation behaviour of gamma titanium aluminides coated with thermal barrier coatings,

ECF 57, Protective Systems for High Temperature Applications: From Theory to Industrial Implementation, M. Schütze, Ed., Maney Publishing, Leeds, UK, 2011, 248-264

R. Braun, M. Fröhlich, C. Leyens,

Intermetallic Ti-Al-Cr based layers and zirconia topcoats deposited on gamma titanium aluminides for environmental protection,

Materials Science Forum, 2011, in press.

C. Büttner, U. Schulz,

Shark Skin Inspired Riblet Coatings for Aerodynamically Optimized High Temperature Applications in Aeroengines,

Adv. Eng. Mater., 13, S. 288-295, 2011

P. Mechnich, W. Braue, U. Schulz,

High-Temperature Corrosion of EB-PVD Yttria Partially Stabilized Zirconia Thermal Barrier Coatings with an Artificial Volcanic Ash Overlay,

J. Am. Ceram. Soc., 94 [3] (2011) 925–931

M. Peters,

Titan in der Medizintechnik,

Metall 65 (2011) 205-210

R. Braun, F. Rovere, P.H. Mayrhofer, C. Leyens,

Environmental protection of γ-TiAl based alloy Ti-45Al-8Nb by CrAlYN thin films and thermal barrier coatings,

Intermetallics, 18, 479-486, 2010

R. Braun, M. Fröhlich, C. Leyens,

Oxidation behaviour of TiAl-based intermetallic coatings on γ-TiAl alloys,

International Journal of Materials Research, 101, 637-647, 2010

R. Braun, U. Schulz, C. Leyens, P. E. Hovsepian, A.P. Ehiasarian,

Oxidation and fatigue behaviour of γ-TiAl coated with HIPIMS CrAlYN/CrN nanoscale multilayer coatings and EB-PVD thermal barrier coatings,

International Journal of Materials Research, 101, 648-656, 2010

C. Büttner, U. Schulz,

Fabrication, oxidation and characterization of Shark Skin Inspired riblet structures as aerodynamically optimized high temperature coatings for blades of aeroengines,

Proceedings of the ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, September 28 – October 1, 2010, Philadelphia, Pennsylvania, USA, SMASIS2010-3626

T. Cosack, S. Troubat, U. Schulz,

The Future of EB-PVD TBCs - Operational Side and Potentials for Further Improvements,

Proceedings. Turbine Forum 2010, Nizza, 22.-24. 9. 2010

A. Donchev, R. Braun, M. Schütze,

Optimizing thermally grown oxide for thermal barrier coatings on TiAl components via fluorine treatment,

Journal of Metals, 62, 70-74, January 2010

M. Fröhlich, R. Braun, C. Leyens,

Ti-Al-Cr-based coatings for high temperature oxidation protection of γ-TiAl,

Materials Science Forum, 638-642, 1306-1311, 2010

R. Herzog, M. Beukenberg, M. Ernsberger, A. Ebach, U. Schulz, S. Chandra, N. Czech,

Thermal Cycling Evaluation of TBCs with overaluminized MCrAlY Bond Coats on HP Blades, Proceedings.

Turbine Forum 2010, Nizza, 22.-24. 9. 2010

P. Eh. Hovsepian, A.P. Ehiasarian, R. Braun, J. Walker, H. Du,

Novel CrAlYN/CrN nanoscale multilayer PVD coatings produced by the combined high power impulse magnetron sputtering/unbalanced magnetron sputtering technique for environmental protection of γ-TiAl alloys,

Surface & Coatings Technology, 204, 2702-2708, 2010

M. Hübner, A. Yuece, G.C. Mondragón Rodríguez, B. Saruhan, N. Barsan, U. Weimar,

BaTi0,95Rh0,05O3 catalytic filter layer - a promising candidate for the selective detection of CO in the presence of H2,

Proc. Eurosensors XXIV, September 5-8, 2010, Linz, Austria

G.C. Mondragón Rodríguez, B. Saruhan,

H2-selective catalytic reduction of NOx activity and microstructural analysis of new BaTi0.95Pd0.05O3 catalyst,

Applied Catalysis B: General 387 (2010) 173

G.C. Mondragón Rodríguez, B. Saruhan,

Effect of Fe/Co ratio on the phase composition of Pd-integrated perovskites and its H2-SCR of NOx performance,

Applied Catalysis B: Environmental. 93 (2010) 304-313

M. Peters, H. Clemens,

Titan, Titanlegierungen und Titanaluminide,

BHM 155 (2010) 402-408

U. Schulz, P. Mechnich, W. Braue,

Degradation of thermal barrier coatings by volcanic ash particles in comparison to regular CMAS- attack by dust particles,

Proceedings Turbine Forum 2010, Nizza, 22.-24. 9. 2010

W. Braue

Environmental stability of the YSZ layer and the YSZ/TGO interface of an in-service EBPVD coated high-pressure turbine blade

J. Mat. Sci. 44, 7 (2009) 1664-1675

R. Braun, M. Fröhlich, C. Leyens, D. Renusch,

Oxidation behaviour of TBC systems on γ-TiAl based alloy Ti-45Al-8Nb,

Oxidation of Metals, 71, 295-318, 2009

R. Braun,

Stress corrosion cracking behaviour of alloy 7050-T7451 plate in an aqueous chloride-nitrate solution,

Effects of Hydrogen on Materials, B. Somerday, P. Sofronis, R. Jones, Eds., ASM International, Materials Park, 2009, 251-258

R. Braun, W. Braue, M. Fröhlich, C. Leyens, P. Eh. Hovsepian,

Thermally grown oxide scales on γ-TiAl coated with thermal protection systems,

Materials at High Temperatures, 26, 305-316, 2009

A. Donchev, R. Braun, M. Schütze,

Fluorine treatment for improved adherence of EB-PVD thermal barrier coating on TiAl alloys,

TMS 2009, 138th Annual Meeting & Exhibition, San Francisco, California, Collected Proceedings, CD, Supplemental Proceedings, Volume 1: Fabrication, Materials, Processing and Properties, The Minerals, Metals & Materials Society, Warrendale, 2009, 211-218

T. Dudziak, H.L. Du, P.K. Datta, A. Wilson, I.M. Ross, M. Moser, R. Braun,

Sulphidation/oxidation behaviour of TiAlCr and Al2Au coated Ti45Al8Nb alloy at 750°C,

Corrosion Science, 51, 1189-1196, 2009.

A. Ebach-Stahl, M. Fröhlich, C. Leyens,

Influence of different annealing processes on the oxidation behaviour of γ-TiAl,

Materials at High Temperatures, 26 (2009) 91-98

M. Fröhlich, R. Braun and Ch. Leyens,

Ti-Al-Cr based Coatings for high Temperature Oxidation Protection of γ-TiAl,

Proc. International Conference on Processing & Manufacturing of Advanced Materials „Thermec'2009“, August 25-29, 2009, Technical University-Berlin

P. Eh. Hovsepian, A.P. Ehiasarian, Y. P. Purandare, R. Braun, I.M. Ross,

Effect of high ion irradiation on the structure, properties and high temperature tribology of nanoscale CrA1YN/CrN multilayer coating deposited by HIPIMS-HIPIMS technique,

Plasma Processes and Polymers, 6, S118-S123, 2009

J. Manara, M. Arduini-Schuster, H.-J. Rätzer-Scheibe, U. Schulz,

Infrared-optical properties and heat transfer coefficients of semitransparent thermal barrier coatings,

Surface and Coatings Technology 203 (2009) 8, 1059-1068

M.T. Hernandez, A.M. Karlsson, M. Bartsch,

On TGO creep and the initiation of a class of fatigue cracks in thermal barrier coatings,

Surface and Coatings Technology 203 (23) (2009) 3549-3558

 

M. Peters, B. Saruhan-Brings, U. Schulz,

Advanced Coatings for Blades of Future Aero Engines,

Proc. CEAS 2009 European Air and Space Conference, 26-29 October 2009, Manchester, UK

B. Saruhan, R. Ochrombel , V. Ryukhtin,

A. WiedenmannAnalysis of Anisotropic Void System in Electron-Beam Physical-Vapour-Deposited (EB-PVD) Thermal-Barrier Coatings,

Advanced Engineering Materials, Vol. 11 Issue 6 (2009) 488-292

U. Schulz, B. Saint- Ramond, O. Lavigne, P. Moretto, A. vanLieshout, A. Börger,

Low thermal conductivity ceramics for Turbine blade Thermal Barrier Coating application,

Progress in Thermal Barrier Coatings, ACERS, John Wiley & Sons, New Jersey, 2009, ISBN 9780470408384. S. 25-30

U. Schulz, B. Saruhan, K. Fritscher, Ch. Leyens,

Review on Advanced EB-PVD Ceramic Topcoats for TBC Applications,

Progress in Thermal Barrier Coatings, ACER, John Wiley & Sons, New Jersey 2009, ISBN 9780470408384

S. Tang, U. Schulz,

Gas flow sputtering- An approach to coat complex geometries and Non Line of Sight areas,

Surface and Coatings Technology, 2009. 204(6-7): p. 1087-1091

M. Stranzenbach and B. Saruhan,

Equivalent circuit analysis on NOx impedance-metric gas sensors,

Online available in Sensors and Actuators B (presented at IMCS12 conference, July 13-16, 2008 in Ohio/USA)

R. Braun, D. Müßner, M. Moser, F. Rovere, P. H. Mayrhofer, C. Leyens,

Oxidation behaviour of the γ-TiAl based alloy Ti-45AI-8Nb coated with TiAIYN and CrAIYN thin films in: Strctural Aluminides for Elevated Temperatures,

The Minerals, Metals & Materials Society, Warrendale, 2008, S. 289-296

                                                                                                               

R. Braun, D. Müßener, C. Leyens, P.Eh. Hovsepian, C. Reinhard, A.P. Ehiasarian,

Environmental protection of γ-TiAl alloys coated with CrAlYN/CrN nanoscale multilayer coatings and EB-PVD thermal barrier coatings in: Structural Aluminides for Elevated Temperatures, Y.-W. Kim, D. Morris, R. Yang, C. Leyens, Eds.,

The Minerals, Metals & Materials Society, Warrendale, 2008, S. 341-348

R. Braun, M. Fröhlich, A. Ebach-Stahl, C. Leyens,

Investigations on the oxidation behaviour of gamma titanium aluminides coated with thermal barrier coatings,

Materials and Corrosion 59, 2008, S. 539-546

R. Braun, C. Leyens, M. Fröhlich,

Performance of thermal barrier coatings on γ-TiAl in: Novel approaches to improving high temperature corrosion resistance, M. Schütze, W. J. Quadakkers,

Eds., 2008, Woodhead Publishing Ltd., Cambridge, UK, S. 249-263

Donchev, R. Braun, M. Schütze,

Fluorine treatment for improved adherence of EB-PVD thermal barrier coating on TiAl alloys,

Proc. 138th Annual Meeting & Exhibition, San Francisco, California, Volume 1: Fabrication, Materials, Processing and Properties, pp. 211-218, The Minerals, Metals & Materials Society, Warrendale, PA, USA, 2008

A. Ebach-Stahl, M. Fröhlich, R. Braun, C. Leyens,

Improvement of the high-temperature oxidation resistance of γ-TiAl by selectively pre-treated Si-based Coatings,

Advanced Engineering Materials 10, 2008, S. 675-677 2008

M. Fröhlich, R. Braun, C. Leyens,

Ti-Al-Cr-X Coatings for High Temperature Oxidation Protection of Gamma Titanium Aluminides n: Structural Aluminides for Elevated Temperatures, Y.-W. Kim, D. Morris, R. Yeng, C. Leyens, Eds.,

Advanced Engineering Materials 10, 2008, S. 675-677 2008

C. Leyens, A. Kohns, T. Haubold, R. Braun,

Coatings for Aero Engine Applications,

SVC Bulletin, Fall 2008, S. 54-58

G. C. Mondragón Rodríguez, R. Ochrombel, B. Saruhan,

Meta-stability and microstructure of the LaFe0.65Co0.3Pd0.05O3 perovskite compound prepared by a modified citrate route,

Journal of European Ceramic Society, 28, 2611-2616 (2008)

I.M. Ross, W.M. Rainforth, Z. Zhou, J.C. Walker, C. Reinhard, A.P. Ehiasarian, P.Eh. Hovsepian, R. Braun, C. Leyens,

Oxidation characteristics of γ-TiAl-8Nb coated with a CrAlYN/CrN nanoscale multilayer coating in: Structural Aluminides for Elevated Temperatures, Y.-W. Kim, D. Morris, R. Yang, C. Leyens, Eds.,

The Minerals, Metals & Materials Society, Warrendale, USA, 2008, S. 315-322

I.M. Ross, W.M. Rainforth, Z. Zhou, J.C. Walker, C. Reinhard, A.P. Ehiasarian, P.Eh. Hovsepian, R. Braun,

Oxidation performance of nanoscale multilayer coatings on γ-TiAl,

Journal of Physics: Conference Series 126, 012022, 2008

Schulz U., Bernardi O., Ebach-Stahl A., Vassen R., Sebold D.,

Improvement of EB-PVD thermal barrier coatings by treatments of a vacuum plasma-sprayed bond coat,

Surface and Coatings Technology 203 (2008) 1-2, p. 160-170

Schulz U., Fritscher K., Ebach-Stahl A.,

Cyclic behavior of EB-PVD thermal barrier coating systems with modified bond coats coat,

Surface and Coatings Technology 203 (2008) 5-7, p. 449-455

W. Braue, P. Mechnich, K. Fritscher, L. Niewolak,

Compatibility of mixed zone constituents (YAG, YAP, YCrO3) with a chromia-enriched TGO phase during the late stage of TBC lifetime coat,

Surface and Coatings Technology 202 (2007), 670-675

M. Bartsch, B. Baufeld, S. Dalkilic, K. Lambrinou, I. Mircea, T. Leist, J. Yan, A.M. Karlsson,

Time-Economic Lifetime Assessment for High Performance Thermal Barrier Coating Systems,

Key Engineering Materials Vol. 333 (2007) pp.147-154

M. Bartsch, B. Baufeld, M. Heinzelmann, A. M. Karlsson, S. Dalkilic, L. Chernova,

Multiaxial thermo-mechanical fatigue on material systems for gas turbines coat,

Materialwissenschaft und Werkstofftechnik, 38(2007)9 p. 712-719

M. Bartsch, U. Fuchs, and J. Xu,

Elastic and Inelastic Deformation Properties of Free Standing Ceramic EB-PVD Coatings,

Ceramic Engineering & Science Proceedings (CESP), U. Schulz and H.-T. Lin (eds.), Vol. 28, Issue 3, 11-18, 2007

Baufeld, B. and U. Schulz,

Life time dependency on the pre-coating treatment of a thermal barrier coating under thermal cycling,

Surface and Coatings Technology, 2006. 201(6) p. 2667-2675

R. Braun, M. Fröhlich, W. Braue, C. Leyens,

Oxidation behaviour of gamma titanium aluminides with EB-PVD thermal barrier coatings exposed to air at 900°C,

Surface and Coatings Technology 202, 2007, S. 676-680

A. Flores Renteria, B. Saruhan, J. Ilavsky, and A.J. Allen,

Application of USAXS analysis and non-interacting approximation to determine the influence of process parameters and ageing on the thermal conductivity of electron-beam physical vapor deposited thermal barrier coatings,

Surface and Coatings Technology, 201(2007)8 p. 4781-4788

 

A. Flores Renteria, B. Saruhan, J. Ilavsky,

Relation of thermal conductivity with process induced anisotropic void systems in EB-PVD PYSZ thermal barrier coatings in Advanced Ceramic Coatings and Interfaces,

Ceram. Eng. & Sci. Proc., Eds. A. Wereszczak, E. Lara-Curzio, D. Zhu, Vol.: 27 (3), pp. 3-16, 2007, John Wiley&Sons. Inc., Hoboken, New Jersey

K. Fritscher, U. Schulz, and C. Leyens,

Lifetime-determining spalling mechanisms of NiCoCrAlRE / EB-PVD zirconia TBC systems,

Materialwissenschaft und Werkstofftechnik, 38(2007)9 p. 734-746

M. Fröhlich, A. Ebach-Stahl, R. Braun, C. Leyens,

Oxidation Protective Coatings for γ-TiAl – recent trends,

Materialwissenschaft und Werkstofftechnik (Materials Science and Engineering Technology) 38, 2007, WILEY-VCH Verlag GmbH, Weinheim, S. 667-673

M. Fröhlich, A. Ebach-Stahl, R. Braun, C. Leyens,

Improvement of the High Temperature Oxidation Resistance of γ-TiAl by means of Si-based Coatings, in: Ti – 2007,

Science and Technology, Volume II, M. Niinomi et al. (Hrsg.), The Japan Institute of Metals, 2007, S. 1233-1236

Y. Gaillard, E. Jiménez-Piqué, M. Bartsch, M. Anglada,

Nucleation of Shear Bands on EB-PVD Thermal Barriers Coatings under Hertzian Indentations,

Key Engineering Materials Vol. 333 (2007) pp.277-280

M. Moser, P.H. Mayrhofer, R. Braun,

Magnetron sputtered intermetallic Al2Au and Al-Zr-Y coatings for the oxidation protection of γ-TiAl in: Advanced Intermetallic-Based Alloys, J. Wiezorek, C.L. Fu, M. Takeyama, D. Morris, H. Clemens, Eds., Indentations,

Materials Research Society Symposium Proceedings Volume 980, Materials Research Society, Warrendale, USA, 2007, S. 431-436

M. Peters, U. Schulz, B. Saruhan-Brings, M. Fröhlich, R. Braun, A. Flores-Renteria, C. Leyens,

Advanced Coatings for Rotating Aero Engines Components,

Proc. 1st CEAS European Air and Space Conference, Berlin, 2007, S. 3055-306

H.-J. Rätzer-Scheibe and U. Schulz,

The effects of heat treatment and gas atmosphere on the thermal conductivity of APS and EB-PVD PYSZ thermal barrier coatings,

Surface and Coatings Technology, 201(2007)18 p. 7880-7888

Bilge Saruhan, Uwe Schulz, and Marion Bartsch,

Developments in Processing of Ceramic Top Coats of EB-PVD Thermal Barrier Coartings,

Key Engineering Materials Vol. 333 (2007) pp. 137-146

B. Saruhan, M. Stranzenbach, G. C. Mondragón Rodríguez,

An integrated solution for NOx-reduction and -control under lean-burn conditions,

In "Mat.-wiss. u. Werkstofftech.”, 38, No. 9, pp. 725-733, 2007.

M. Stranzenbach and B. Saruhan,

Planar, Impedance-metric NOx Sensor with NiO sensing electrode for high temperature applications, presented at the IEEE 14th Int. Conf. on Solid-State Sensors, Actuators and Microsystems, Lyon/France in June 2007, in “Proceedings CD: Transducers’07”,

Digest of Technical papers, ISBN: 1-4244-0842-3

M. Stranzenbach and B. Saruhan,

Planar impedance NOx-sensors with NiCr2O4 and NiO-sensing layers for high temperature applications,

Ceram. Sci. and Eng. Proc., Advances in Electronic Ceramics, Vol: 28 (8), Eds.: Jonathan Salem and Dongming Zhu, General Editors, Clive Randal, Hua-Tay Lin, Kunihito Koumoto, and Paul Clem, pp.: 141-148, 2007.

M. Stranzenbach, E. Gramckow and B. Saruhan,

Planar, impedance-metric NOx sensor with spinel-type SE for high temperature applications,

Sensors and Actuators, B, 127, 224-230, 2007.

U. Schulz, M. Peters, H. Voggenreiter,

Schutzschichten für hoch belastete Triebwerksbauteile,

Konstruktion, 7/8 (2007) IW10-IW11

U. Schulz, H.-J. Rätzer-Scheibe, B. Saruhan, and A.F. Renteria,

Thermal conductivity issues of EB-PVD thermal barrier coatings,

Materialwissenschaft und Werkstofftechnik, 38(2007)9 p. 659-666

Bartsch, M., Baufeld, B., Shi, J., Karlsson, A.M.,

Morphological instabilities of metallic oxidation protection coatings for gas turbine blades,

Proc. 7th ONERA-DLR Aerospace Symposium, Contrib. 9.5, 4.-6.10.2006, Toulouse

Flores Renteria, A.; Saruhan, B.; Ilavsky, J.,

Determination of the relation between the process controlled variations of anisotropic void system and thermal conductivity of electron beam physical vapour deposited (EB-PVD) PYSZ thermal barrier coatings Wereszczak, A.; Lara-Curzio, E.; Zu, D., Eds., in "Advanced Ceramic Coatings and Interfaces",

Ceramic Science and Engineering Proceeding, 27 (3), (2006) John Wiley&Sons, 30th Int. Conference on Advanced Coatings and Composites, Cocoa Beach, Orlanda, Florida

A. Flores Renteria and B. Saruhan,

Effect of ageing on microstructure changes in EB-PVD manufactured standard PYSZ top coat of thermal barrier coatings,

Journal of the European Ceramic Society, Vol. 26, 12 (2006) 2249-2255

Flores Renteria, A., Saruhan, B.; Schulz, U.; Raetzer-Scheibe, H.-J.; Haug, J.; Wiedenmann, A.,

Effect of morphology on thermal conductivity of EB-PVD PYSZ TBCs.,

Surface and Coatings Technology, 2006. 201(6): p. 2611-2620.

Haug, Jörg; Wiedenmann, A.; Flores Renteria, Arturo; Saruhan-Brings, Bilge; Strunz, Pavel (2006),

Evolution of pore microstructure in thermal barrier coatings studied by SANS.,

Physics B, 385-386 (1), S. 617 - 619

C. Leyens, R. Braun, M. Fröhlich, P. Eh. Hovsepian,

Recent Progress in the Coating Protection of Gamma Titanium Aluminides,

JOM 58, 2006, S. 17-21

M. Fröhlich, R. Braun, C. Leyens,

Oxidation resistant coatings in combination with thermal barrier coatings on γ-TiAl alloys for high temperature applications,

Surface Science and Technology 201, 2006, S. 3911-3917

H.-J, Rätzer-Scheibe, U. Schulz and T. Krell,

The effect of coating thickness on the thermal conductivity of EB-PVD PYSZ thermal barrier coatings,

Surface and Coatings Technology, 200, 18/19 (2006) 5636-5644

B. Saruhan, A. Flores Renteria, M. Keshmiri and T. Troczynski,

Liquid-phase-infiltration of EB-PVD-TBCs with ageing inhibitor,

Journal of the European Ceramic Society, Volume 26, Issues 1-2, 2006, Pages 49-58

M. Stranzenbach and B. Saruhan,

Planar, impedance-metric NOx-sensor with spinel-type SE for high temperature applications,

Journal of the European Proc. CD: XX EUROSENSORS, ISBN: 91-631-9281-0, 2006

U. Schulz, M. Fröhlich, R. Braun,

Hochtemperaturschutzschichten für Triebwerksanwendungen,

Proc. Workshop Leichtbautrends in der Luftfahrt, Cottbus, 2006

 

U. Schulz, O. Bernardi, B. Baufeld,

Influence of Bond Coat Treatments on Cyclic Life of EB-PVD TBCs with MCrAlY and PtAl Bond Coats,

Proc. Turbine Forum 2006, Advanced Coatings for High temperatures, Nice

J. Shi, A.M. Karlsson, B. Baufeld and M. Bartsch,

Evolution of surface morphology of thermo-mechanically cycled NiCoCrAlY bond coats,

Materials Science and Engineering: A, Volume 434, Issues 1-2, 2006, Pages 39-52