Horst-Hannes Cerjak

Em.Univ.-Prof. Dipl.-Ing. Dr.mont.

1990 …2018

Research output per year

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Research Output

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Conference contribution
2018

Extending the lifetime of the penstock of a Pumped Storage Plant by surface mechanical treatment of the welded joint

Cerjak, H-H., Chanzy, B. & Akrout, M., 2018, The International Journal on Hydropower & Dams.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2017

Auswirkungen einer falschen Spannungsarmglühung beim Schweißen höchstfester Stähle

Enzinger, N. & Cerjak, H-H., 18 Oct 2017, Schadensanalyse 2017: Schäden an geschweißten Bauteilen. p. 211-221

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2016

Effect of RTE treatment on toughness of HSS weld metal

Cerjak, H-H., Enzinger, N., Caliskanoglu, O., Figner, G., Pudar, M., Mendez Martin, F. & Domankova, M., 10 Oct 2016, Proceedings 10th International Conference on Trends in Welding Research. Tokyo, p. 213-216 S11-1

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Versprödung von hochfestem Schweißgut beim Spannungsarmglühen

Cerjak, H-H., Caliskanoglu, O., Enzinger, N., Figner, G. & Pudar, M., 2015, DVS Congress 2015. Düsseldorf: ., p. 824-827

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2014

Development, experiences and qualification of steel grades for hydropower conduits

Cerjak, H-H., Enzinger, N. & Pudar, M., 2014, 18. Internationales Seminar Wasserkraftanalgen - Innovation und Entwicklungsbedarf für eine nachhaltige Entwicklung der Wasserkraft. ., p. 139-150

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metallographic investigation of a fatigue event on a hydropower penstock made from high strength steel

Cerjak, H-H., Enzinger, N., Stöfan, G. & Vallant, R., 2014, Sonderbände der Praktischen Metallographie - Forstschritte in der Metallographie. Bonn, Deutschland: Inventum GmbH, Vol. 46. p. 321-326

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2013

Development, Experiences and Qualification of Steel Grades for Hydro Power Conduits

Cerjak, H-H., Enzinger, N. & Pudar, M., 2013, High Strength Steels for Hydropower Plants Design Concepts - Pressure Conduits. Graz: Verlag der Technischen Universität Graz, p. 1-18

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

Qualification Procedure of Thermomechanical Steel ALFORM 700 for Pressure Shaft Lining of Reisseck II Pumped Storage HPP

Mayrhuber, J., Kirilowitsch, C., Cerjak, H-H. & Enzinger, N., 2013, High Strength Steels for Hydropower Plants Design Concepts - Pressure Conduits. Graz: Verlag der Technischen Universität Graz, p. 251-262

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

Schweißen hochfester Stähle - Der Schadensfall Cleuson-Dixence

Enzinger, N. & Cerjak, H-H., 2013, Wasserstoff in metallischen Bauteilen. ., p. 1-29 (VDI Jahrestagung).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
2011

Boron strengthening in ferritic 9Cr3W3CoVNbBN steel with improved crosseld creep performance

Mayr, P., Holzer, I., Albu, M., Kothleitner, G., Cerjak, H-H. & Allen, S. M., 2011, Advances in Materials Technology for Fossil Power Plants. ., p. 640-653

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Friction stir welding of magnesium and steel in car body engineering

Figner, G., Weinberger, T., Schneider, C., Sommitsch, C., Enzinger, N. & Cerjak, H-H., 2011, Joining in Car Body Engineering 2011. ., p. 113-128

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2010

Aspects on the Joinability for Advanced Designs

Cerjak, H-H. & Enzinger, N., 2010, Innovative Technologies for Joining Advanced Materials. SUDURA Publishing House, p. 40-57

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Boron strengthening in ferritic 9Cr3W3CoVNbBN steel with improved crossweld creep performance

Mayr, P., Holzer, I., Albu, M., Kothleitner, G., Cerjak, H-H. & Allen, S. M., 2010, (Accepted/In press) International Conference on Advances in Materials Technology for Fossil Power Plants. .

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Der Schadensfall Cleuson-Dixence - Schadensuntersuchungen und Qualifikationsprogramm für die Wiederherstellung

Cerjak, H-H. & Enzinger, N., 2010, Schweißtagung Böhler Welding Group Schweiz AG. ., p. 13.1-13.31

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2009

A Prominent Failure Case in Welding High Strength Steel: Hydropower Plant Cleuson-Dixence

Cerjak, H-H. & Enzinger, N., 2009, Innovative Technologies for Joining Advanced Materials. Timisoara: Sudura, p. 26-31

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Correlation of creep strength and microstructural evolution of a boron alloyed 9Cr3W3CoVNb steel in as-received and welded condition

Mayr, P., Mendez Martin, F., Albu, M. & Cerjak, H-H., 2009, Creep and Fracture in High Temperature Components - Design & Life Assessment Issues. Lancaster, Pa: DEStech Publications, Inc, p. 1029-1037

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Evolution of Microstructure and Properties for Friction Stir Welded Martensitic Precipitation-Hardening Steels

Weinberger, T., Führer, B., Khosa, S. U., Enzinger, N., Cerjak, H-H., Schröttner, H. & Mitsche, S., 2009, Proceedings: 8th International Conference on Trends in Welding Research Conference. ., p. 398-402

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Experience with 9Cr3W3CoVNbBN base material and crosswelds at 650°C for implementation in USC power plants

Mayr, P., Mendez Martin, F., Holzer, I., Agüero, A., González, V., Baumgartner, S. & Cerjak, H-H., 2009, (Accepted/In press) Proc. of the 3rd Symposium on Heat Resistant Steels and Alloys for High Efficiency USC Power Plants 2009. Tsukuba: .

Research output: Chapter in Book/Report/Conference proceedingConference contribution

INVESTIGATION OF FORMING, JOINING, COATING IN AUTOMOBILE INDUSTRY

Saberi, S., Vallant, R., Cerjak, H-H., Schröttner, H., Hinterdorfer, J. & Rauch, R., 2009, IDDRG 2009 International Conference. ., p. 845-857

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modelling the Orbital Friction Welding of Pearlitic Steel Bars

Maalekian, M. & Cerjak, H-H., 2009, (Accepted/In press) Trends in Welding Research. .

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Qualification Program for the Rehabilitation of Cleuson-Dixence: Requirements and Results

Cerjak, H-H., Chene, O., Enzinger, N. & Roos, E., 2009, Pre-prints of the Papers Conference High Strength Steels for Hydropower Plants. Takasaki: ., p. 2.1-2.6

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Welding of High Strength Steel in Hydropowre Applications - The Cleuson Dixence Case

Enzinger, N. & Cerjak, H-H., 2009, Proceedings: 8th International Conference on Trends in Welding Research Conference. ., p. 575-580

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2008

Application of a comprehensive R&D concept to improve long-term creep behaviour of martensitic 9-12% Cr steels

Cerjak, H-H., Holzer, I., Mayr, P., Pein, C., Sonderegger, B. & Kozeschnik, E., 2008, Advances in Materials Technology for Fossil Power Plants - Proceedings from the 5th International Conference. p. 627-644 18 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Basic Information for a reliable judgment of old hydropower plants

Enzinger, N., Heber, S-J., Cerjak, H-H., Gubeljak, N., Predan, J. & Mayrhuber, J., 2008, Wasserkraftanlagen im Zeichen des Klimawandels. Wien: Technische Universität Wien, p. 39-45

Research output: Chapter in Book/Report/Conference proceedingConference contribution

COMPUTATIONAL MODELING OF THE STRENGTH EVOLUTION DURING PROCESSING AND SERVICE OF 9-12% CR STEELS

Holzer, I., Kozeschnik, E. & Cerjak, H-H., 2008, The Fifth International Conference on Mathematical Modeling and Computer Simulation of Materials Technologies. ., p. 2-14-2-22

Research output: Chapter in Book/Report/Conference proceedingConference contribution

EXPERIMENTAL AND NUMERICAL INVESTIGATIONS OF CLINCHING PROCESSES FOR CPP COATED THIN STEEL SHEETS

Saberi, S., Cerjak, H-H., Vallant, R., Rauch, R. & Hinterdorfer, J., 2008, (Accepted/In press) Werkstofftagung. TU Graz: .

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Heat Generation in Friction Welding

Maalekian, M., Kozeschnik, E. & Cerjak, H-H., 2008, Thermal Forming and Welding Distortion. Bremen-Deutschland: BIAS, p. 375-384

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Houdremont Lecture: The Role of Welding in the Power Generation Industry

Cerjak, H-H., 2008, Safety and Reliability of Welded Components. Graz: Verlag der Technischen Universität Graz, p. 17-27

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Influence of plastic anisotropy on the mechanical behavior of clinched joint of different coated thin steel sheets

Saberi, S., Enzinger, N., Vallant, R., Cerjak, H-H., Hinterdorfer, J. & Rauch, R., 2008, (Accepted/In press) ESAFORM Conference on Material Forming. .

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lessons learned from a failure case in a hydropower pressurized shaft with respect to high strength steels

Cerjak, H-H. & Enzinger, N., 2008, IIW International Congress 2008. Kolkata: ., p. I003-I003

Research output: Chapter in Book/Report/Conference proceedingConference contribution

NEW APPROACH TO PREDICT THE LONG-TERM CREEP BEHAVIOUR AND EVOLUTION OF PRECIPITATE BACK-STRESS OF 9-12% CHROMIUM STEELS

Holzer, I., Kozeschnik, E. & Cerjak, H-H., 2008, 5th International Conference on Creep, Fatigue and Creep-Fatigue Interaction - Technical Proceedings. ., p. 1-12

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Prediction of the loss of precipitate back-stress in modern 9-12% Cr steels – a numerical approach

Holzer, I., Kozeschnik, E. & Cerjak, H-H., 2008, Verarbeitungs- und Gebraucheigenschaften von Werkstoffen - Heute und Morgen. Graz: ., p. 73-76

Research output: Chapter in Book/Report/Conference proceedingConference contribution

PREDICTION OF THE LOSS OF PRECIPITATION STRENGTHENING IN MODERN 9-12% CR STEELS – A NUMERICAL APPROACH

Holzer, I., Kozeschnik, E. & Cerjak, H-H., 2008, Advances in Materials Technology for Fossil Power Plants: Proceedings of the Fifth International Conference. ., p. 197-207

Research output: Chapter in Book/Report/Conference proceedingConference contribution

SIMULATION AND VALIDATION OF THE EVOLUTION OF PRECIPITATES DURING PRODUCTION AND FABRICATION OF A COMPLEX MARTENSITIC 9 WT.% CR STEEL

Holzer, I., Mayr, P., Sonderegger, B., Kozeschnik, E. & Cerjak, H-H., 2008, Proceedings of 17th International Conference Computer Technology in Welding and Manufacturing. ., p. 1-10

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Structural Integrity Assessment of Watergas Weld Shaft

Gubeljak, N., Heber, S-J., Enzinger, N., Predan, J., Mayrhuber, J., Tisma, Z. & Cerjak, H-H., 2008, Safety and Reliability of Welded Components in Energy nad Processing Industry. Graz: Verlag der Technischen Universität Graz, p. 539-543

Research output: Chapter in Book/Report/Conference proceedingConference contribution

The impact of welding on the creep properties of advanced 9-12% Cr steels

Mayr, P. & Cerjak, H-H., 2008, Creep, Fatigue and Creep-Fatigue Interaction. ., p. 1-12

Research output: Chapter in Book/Report/Conference proceedingConference contribution

The relation between microstructure and creep properties of martensitic 9-12%Cr steels

Cerjak, H-H., Holzer, I., Mayr, P., Pein, C., Sonderegger, B. & Kozeschnik, E., 2008, New Developments on Metallurgy and Applicactions of High Strength Steels - Buenos Aires 2008. Buenos Aires: Unknown Publisher, p. 247-265

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

The relationship between microstructure and mechanical properties of ferritic chromium steel weldments

Mayr, P., Toda, Y., Hara, T., Abe, F. & Cerjak, H-H., 2008, MPA-Seminar. Stuttgart: MPA Stuttgart, p. 71-89

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Untersuchung neuartiger Werkzeugkonzepte für das Rührreibschweißen von AW-6063T6

Weinberger, T., Enzinger, N. & Cerjak, H-H., 2008, Tagungsband "Forum für Metallurgie und Werkstofftechnik 2008". ., p. 24-27

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2007

APPLICATION OF A COMPREHENSIVE R&D CONCEPT TO IMPROVE LONG-TREM CREEP BEHAVIOUR OF MARTENSITIC 9-12% Cr STEELS

Cerjak, H-H., Mayr, P., Holzer, I., Pein, C., Sonderegger, B. & Kozeschnik, E., 2007, Advances in Materials Technology for Fossil Power Plants. ., p. 1-19

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Development and improvement of 9-12%Cr steels by a holistic R&D concept

Cerjak, H-H., Dimmler, G., Holzer, I., Kozeschnik, E., Mayr, P., Pein, C. & Sonderegger, B., 2007, Supplement to THERMEC 2006, 5th International Conference on PROCESSING and MANUFACTURING OF ADVANCED MATERIALS, THERMEC 2006. PART 3 ed. Vol. 539-543. p. 2954-2959 6 p. (Materials Science Forum; vol. 539-543, no. PART 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Influence of weld metal creep strength on long term creep behaviour of welded joints of E911 heat resistant 9%Cr steel

Mayr, P., Cerjak, H-H., Jochum, C. & Pasternak, J., 2007, Integrity of High Temperature Welds. London: IOM Communications, p. 119-128

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inverse modelling of heat generation in friction welding

Maalekian, M., Kozeschnik, E., Brantner, H. P. & Cerjak, H-H., 2007, Mathematical modelling of weld phenomena 8. Verlag der Technischen Universität Graz, p. 881-890

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Long-term creep behaviour of E911 heat resistant 9%Cr steel weldments fabricated with filler metals of different creep strength

Mayr, P., Cerjak, H-H., Jochum, C. & Pasternak, J., 2007, ASME 2007 Pressure Vessels and Piping Conference and Eigth International Conference on Creep and Fatigue at Elevated Temperatures. ., p. 1-6

Research output: Chapter in Book/Report/Conference proceedingConference contribution

New steel grade to overcome Type IV cracking

Mayr, P. & Cerjak, H-H., 2007, 33. MPA-Seminar “Werkstoff- & Bauteilverhalten in der Energie- & Anlagentechnik“. ., p. 1-13

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Precipitation strengthening in modern 9-12% Cr steels - a numerical approach

Holzer, I., Kozeschnik, E. & Cerjak, H-H., 2007, Proceedings of Symposium on Heat Resistant Steels and Alloys for USC Power Plants 2007. ., p. 105-113

Research output: Chapter in Book/Report/Conference proceedingConference contribution

The heat-affected zone of boron-alloyed creep resistant 9% chromium steels and their susceptibility to Type-IV cracking

Mayr, P. & Cerjak, H-H., 2007, (Accepted/In press) International Conference on Advances in Materials Technology for Fossil Power Plants. .

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Weldability study of boron containing 9% chromium steels

Mayr, P., Holzer, I., Mendez Martin, F., Kozeschnik, E. & Cerjak, H-H., 2007, International Charles Parsons Turbine Conference - Power Generation in an Era of Climate Change. ., p. 417-426

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zum Einfluss des Schweißens auf das Kriechverhalten moderner Werkstoffe für die thermische Energieerzeugung

Mayr, P. & Cerjak, H-H., 2007, Schweißtechnik und Fügetechnik Schlüsseltechnologien der Zukunft. Aachen: Shaker-Verlag GmbH, p. 447-457

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2006

Abfall der Zeitstandfestigkeit bei langen Zeiten

Cerjak, H-H., Sonderegger, B., Kozeschnik, E., Rajek, H. J., Holzer, I., Mayr, P. & Pein, C., 2006, Die aktuellen Abwertungen bei hochwarmfesten Stählen und deren Konsequenzen für Auslegung und Bau hochmoderner Dampfkraftwerke. ., p. 1-1

Research output: Chapter in Book/Report/Conference proceedingConference contribution