Helmut Clemens

(Former)

Research output

  1. 2018
  2. Published

    High-resolution characterization of the martensite-austenite constituent in a carbide-free bainitic steel

    Hofer, C., Bliznuk, V., Verdiere, A., Petrov, R., Winkelhofer, F., Clemens, H. & Primig, S., 10 Jul 2018, In: Materials characterization. 144.2018, October, p. 182-190 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

  3. Published

    Effect of Morphological Differences on the Cold Formability of an Isothermally Heat-Treated Advanced High-Strength Steel

    Weißensteiner, I., Suppan, C., Hebesberger, T., Winkelhofer, F., Clemens, H. & Maier-Kiener, V., 10 Apr 2018, In: JOM. 70.2018, 8, p. 1567-1575 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

  4. E-pub ahead of print

    Intermetallics: Tailoring microstructure and chemical composition of advanced γ-TiAl based alloys for improved creep resistance

    Kastenhuber, M., Klein, T., Clemens, H. & Mayer, S., 2 Apr 2018, (E-pub ahead of print) In: Intermetallics. 97.2018, June, p. 27-33 7 p.

    Research output: Contribution to journalArticleResearchpeer-review

  5. E-pub ahead of print

    Pathways of phase transformation in β-phase-stabilized σ/γ-TiAl alloys subjected to two-step heat treatments

    Klein, T., Holec, D., Clemens, H. & Mayer, S., 9 Mar 2018, (E-pub ahead of print) In: Scripta materialia. 149.2018, May, p. 70-74 5 p.

    Research output: Contribution to journalArticleResearchpeer-review

  6. E-pub ahead of print

    Pulvermetallurgische Herstellung von innovativen Hochtemperaturwerkstoffen

    Clemens, H., Mayer, S. & Heilmaier, M., 5 Feb 2018, (E-pub ahead of print) In: Berg- und hüttenmännische Monatshefte : BHM. 166.2021, 5, p. 270-276 7 p.

    Research output: Contribution to journalArticleResearchpeer-review

  7. Published

    How grain boundary chemistry controls the fracture mode of molybdenum

    Leitner, K., Scheiber, D., Jakob, S., Primig, S., Clemens, H., Povoden-Karadeniz, E. & Romaner, L., 9 Jan 2018, In: Materials and Design. 142.2018, 15 March, p. 36-43 8 p.

    Research output: Contribution to journalArticleResearchpeer-review

  8. Published

    Advanced Titanium Aluminides - How to Improve the Creep Resistance via Compsitional and Microstructural Optimization

    Mayer, S., Kastenhuber, M. & Clemens, H., 2018, Materials Science Forum. Vol. 941.2018. p. 1484-1489 6 p. (Materials Science Forum).

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  9. Published

    Aspects of Powder Characterization for Additive Manufacturing

    Wimler, D., Kardos, S., Lindemann, J., Clemens, H. & Mayer, S., 2018, In: Practical metallography = Praktische Metallographie. 55.2018, 9, p. 620-636 17 p.

    Research output: Contribution to journalArticleResearchpeer-review

  10. Published

    Aspekte der Pulvercharakterisierung für die additive Fertigung

    Wimler, D., Kardos, S., Lindemann, J., Clemens, H. & Mayer, S., 2018, Praktische Metallographie Sonderband: Fortschritte in der Metallographie. 1 ed. Vol. 52. p. 219-228

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

  11. Published

    Ausgewählte Methoden der quantitativen Phasenanalyse einer additiv gefertigten TNM-Titanaluminid-Legierung

    Wartbichler, R., Bürstmayr, R., Clemens, H. & Mayer, S., 2018, Praktische Metallographie Sonderband: Fortschritte in der Metallographie. 1 ed. Vol. 52. p. 327-332

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

  12. Published

    Beryllium - Eine Herausforderung für Präparation und mechanische Charakterisierung

    Siller, M., Kappacher, J., Rolli, R., Clemens, H. & Maier-Kiener, V., 2018, Praktische Metallographie Sonderband: Fortschritte in der Metallographie. 1 ed. Vol. 52. p. 183-188

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

  13. Published

    Characterization of anisotropic pores and spatially oriented precipitates in sintered Mo-base alloys using small-angle neutron scattering

    Karge, L., Lang, D., Schatte, J., Gilles, R., Busch, S., Leibenguth, P., Clemens, H. & Petry, W., 2018, In: Journal of applied crystallography. 51.2018, p. 1706-1714 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

  14. Published

    Deformation behaviour of γ-TiAl based sheets studied by means of in situ synchrotron X-ray diffraction

    Erdely, P., Maawad, E., Staron, P., Schell, N., Clemens, H. & Mayer, S., 2018.

    Research output: Contribution to conferencePosterResearch

  15. Published
  16. Published
  17. Published

    Interaction of precipitation, recovery and recrystallization in the Mo-Hf-C alloy MHC studied by multipass compression tests

    Siller, M., Lang, D., Schatte, J., Knabl, W., Clemens, H. & Maier-Kiener, V., 2018, In: International journal of refractory metals & hard materials. 73.2018, June, p. 199-203 5 p.

    Research output: Contribution to journalArticleResearchpeer-review

  18. Published
  19. Published

    Kombination von Nanoindentation und Mikroskopie zur Untersuchung von Aluminium-Legierungen im grob- und ultrafeinkörnigen Zustand

    Kappacher, J., Leitner, A., Clemens, H. & Maier-Kiener, V., 2018, Praktische Metallographie Sonderband: Fortschritte in der Metallographie. 1 ed. Vol. 52. p. 177-182

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

  20. Published

    Kornfeinung ausscheidungsverfestigter Hochtemperaturferrite mittels Ce-haltiger Einschlüsse

    Godor, F. R., Mayerhofer, A., Presoly, P., Clemens, H., Mayer, S. & Bernhard, C., 2018, Praktische Metallographie Sonderband: Fortschritte in der Metallographie. 1 ed. Vol. 52. p. 319-324

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

  21. Published
  22. Published

    Mikrostrukturelle Charakterisierung einer pulvermetallurgisch hergestellten mehrphasigen TiAl-Legierung

    Burtscher, M., Pürstl, F., Schloffer, M., Mayer, S. & Clemens, H., 2018, Praktische Metallographie Sonderband: Fortschritte in der Metallographie. 1 ed. Vol. 52. p. 151-156

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

  23. Published

    Mikrostrukturelle Charakterisierung von Molybdän- Korngrenzen mittels Mikrosäulen-Druckversuchen und Atomsondenuntersuchungen

    Jakob, S., Lorich, A., Eidenberger-Schober, M., Knabl, W., Clemens, H. & Maier-Kiener, V., 2018, Praktische Metallographie Sonderband: Fortschritte in der Metallographie. 1 ed. Vol. 52. p. 171-176

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

  24. Published
  25. Published

    Skalenübergreifende Gefügechatakterisierung - Die Rolle der klassischen und hochauflösenden Metallographie bei der Entwicklung moderner Hochleistungswerkstoffe

    Schnitzer, R., Hofer, C., Mayer, S., Panzenböck, M., Holec, D. & Clemens, H., 2018, Praktische Metallographie Sonderband: Fortschritte in der Metallographie. 1 ed. Vol. 52. p. 23-34

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

  26. Published

    Strain-induced martensitic transformation in a Co-Cr-W-Mo alloy probed by nanoindentation

    Weißensteiner, I., Voigt, P., Clemens, H. & Maier-Kiener, V., 2018, Proceedings of the International Conference on Martensitic Transformations. p. 247-250

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

  27. Published

    Synchrotron X-rays in the development of multi-phase intermetallic TiAl alloys

    Erdely, P., Staron, P., Stark, A., Maawad, E., Schell, N., Clemens, H. & Mayer, S., 2018.

    Research output: Contribution to conferencePosterResearch

  28. Published

    Wie die Mikrostruktur von Hochleistungswerkstoffen deren mechanische Eigenschaften beeinflusst - eine skalenübergreifende Studie

    Maier-Kiener, V., Siller, M., Jakob, S., Leitner, K., Clemens, H., Lorich, A., Lang, D., Schatte, J., Eidenberger-Schober, M. & Knabl, W., 2018, Fortschritte in der Metallographie : Sonderbände der Praktischen Metallographie. 1 ed. DGM, Vol. 52. p. 3-13

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

  29. 2017
  30. Published
  31. Published

    Impact of Alloying on Stacking Fault Energies in γ-TiAl

    Dumitraschkewitz, P., Clemens, H., Mayer, S. & Holec, D., 17 Nov 2017, In: Applied Sciences : open access journal. 7.2017, 11, 11 p., 1193.

    Research output: Contribution to journalArticleResearchpeer-review

  32. Published

    Design and control of microstructure and texture by thermomechanical processing of a multi-phase TiAl alloy

    Spörk, P., Staron, P., Maawad, E., Schell, N., Klose, J., Clemens, H. & Mayer, S., 5 Oct 2017, In: Materials and Design. 131.2017, 5 October, p. 286-296 11 p.

    Research output: Contribution to journalArticleResearchpeer-review

  33. E-pub ahead of print

    On grain boundary segregation in molybdenum materials

    Leitner, K., Felfer, P. J., Holec, D., Cairney, J. M., Knabl, W., Lorich, A., Clemens, H. & Primig, S., 11 Sept 2017, (E-pub ahead of print) In: Materials and Design. 135.2017, 5 December, p. 204-212 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

  34. E-pub ahead of print

    Phase transformations in a β-solidifying γ-TiAl based alloy during rapid solidification

    Kastenhuber, M., Klein, T., Rashkova, B., Weißensteiner, I., Clemens, H. & Mayer, S., 1 Sept 2017, (E-pub ahead of print) In: Intermetallics. 91.2017, December, p. 100-109 10 p.

    Research output: Contribution to journalArticleResearchpeer-review

  35. Published

    Crack path identification in a nanostructured pearlitic steel using atom probe tomography

    Leitner, T., Sackl, S., Völker, B., Riedl, H., Clemens, H., Pippan, R. & Hohenwarter, A., 24 Aug 2017, In: Scripta Materialia. 142.2018, 1 January, p. 66-69 4 p.

    Research output: Contribution to journalArticleResearchpeer-review

  36. Published

    Insights into the deformation behavior of the CrMnFeCoNi high-entropy alloy revealed by elevated temperature nanoindentation

    Maier-Kiener, V., Schuh, B., George, E. P., Clemens, H. & Hohenwarter, A., 1 Jul 2017, In: Journal of materials research (JMR). 32.2017, 14, p. 2658-2667 10 p.

    Research output: Contribution to journalArticleResearchpeer-review

  37. E-pub ahead of print

    Internal friction and atomic relaxation processes in an intermetallic Mo-rich Ti-44Al-7Mo (γ+βo) model alloy

    Usategui, L., No, M. L., Mayer, S., Clemens, H. & Juan, J. S., 9 Jun 2017, (E-pub ahead of print) In: Materials science and engineering: A, Structural materials: properties, microstructure and processing. 700.2017, 17 July, p. 495-502 8 p.

    Research output: Contribution to journalArticleResearchpeer-review

  38. E-pub ahead of print

    Atom probe study of B2 order and A2 disorder of the FeCo matrix in an Fe-Co-Mo-alloy

    Turk, C., Leitner, H., Schemmel, I., Clemens, H. & Primig, S., 19 Mar 2017, (E-pub ahead of print) In: Micron. 98.2017, July, p. 24-33 10 p.

    Research output: Contribution to journalArticleResearchpeer-review

  39. E-pub ahead of print

    Intermetallic β-Solidifying γ-TiAl Based Alloys − From Fundamental Research to Application

    Mayer, S., Erdely, P., Fischer, F.-D., Holec, D., Kastenhuber, M., Klein, T. & Clemens, H., 23 Feb 2017, (E-pub ahead of print) In: Advanced engineering materials. 19.2017, 4, 27 p., 1600735.

    Research output: Contribution to journalArticleResearchpeer-review

  40. E-pub ahead of print

    Mechanical behavior and related microstructural aspects of a nano-lamellar TiAl alloy at elevated temperatures

    Klein, T., Usategui, L., Rashkova, B., Nó, M. L., San Juan, J. M., Clemens, H. & Mayer, S., 20 Feb 2017, (E-pub ahead of print) In: Acta materialia. 128.2017, 15 April, p. 440-450 11 p.

    Research output: Contribution to journalArticleResearchpeer-review

  41. Published

    The Use of Fluorine to Protect β-Solidifying γ-TiAl-Based Alloys against High-Temperature Oxidation

    Donchev, A., Galetz, M., Mayer, S., Clemens, H. & Schütze, M., 13 Feb 2017, In: MRS Advances. 2017, May, p. 1361-1367 7 p.

    Research output: Contribution to journalArticleResearchpeer-review

  42. E-pub ahead of print

    Impact of Mo on the ωo phase in β-solidifying TiAl alloys: An experimental and computational approach

    Klein, T., Schachermayer, M., Holec, D., Rashkova, B., Clemens, H. & Mayer, S., 1 Feb 2017, (E-pub ahead of print) In: Intermetallics. 85.2017, June, p. 26-33 8 p.

    Research output: Contribution to journalArticleResearchpeer-review

  43. Published

    Influence of Heat Treatment on Microstructure Stability and Mechanical Properties of a Carbide-Free Bainitic Steel

    Hofer, C., Primig, S., Clemens, H., Winkelhofer, F. & Schnitzer, R., 7 Jan 2017, In: Advanced engineering materials. 19.2017, 4, 5 p., 1600658.

    Research output: Contribution to journalArticleResearchpeer-review

  44. Published

    Advanced Intermetallic TiAl Alloys

    Clemens, H. & Mayer, S., 2017, Materials Science Forum. 879 ed. Vol. 2017. p. 113-118 6 p. (Materials Science Forum).

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  45. Published

    Application of Photons and Neutrons for the Characterization and Development of Advanced Steels

    Eidenberger-Schober, E., Schnitzer, R., Zickler, G., Eidenberger-Schober, M., Bischof, M., Staron, P., Leitner, H., Schreyer, A. & Clemens, H., 2017, Neutrons and Synchrotron Radiation in Engineering Materials Science : From Fundamentals to Applications. 2 ed. Wiley-VCH , p. 377-394

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  46. Published

    Atom probe study of prior austenite grain bounda-ries of zinc-coated press hardened steel

    Hofer, C., Kurz, T., Clemens, H. & Schnitzer, R., 2017, 2017 CHS2 Conference Proceedings. p. 383-390

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

  47. Published
  48. Published

    Contribution of High-Energy X-Rays and Neutrons to Characterization and Development of Intermetallic Titanium Aluminides

    Schmoelzer, T., Liss, K.-D., Staron, P., Stark, A., Schwaighofer, E., Lippmann, T., Clemens, H. & Mayer, S., 2017, Neutrons and Synchrotron Radiation in Engineering Materials Science: From Fundamentals to Applications. 2 ed. Wiley-VCH , p. 395-424

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  49. Published
  50. Published

    Deformation mechanisms and texture evolution in a multi-phase TiAl alloy investigated by means of synchrotron radiation

    Erdely, P., Staron, P., Maawad, E., Schell, N., Klose, J., Mayer, S. & Clemens, H., 2017.

    Research output: Contribution to conferencePosterResearch

  51. Published

    Effect of hot rolling and primary annealing on the microstructure and texture of a β-stabilised γ-TiAl based alloy

    Erdely, P., Staron, P., Maawad, E., Schell, N., Klose, J., Mayer, S. & Clemens, H., 2017, In: Acta materialia. 126.2017, March, p. 145-153 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

  52. Published

    Effect of microstructural instability on the creep resistance of an advanced intermetallic γ-TiAl based alloy

    Kastenhuber, M., Rashkova, B., Clemens, H. & Mayer, S., 2017, In: Intermetallics. 80.2017, January, p. 1-9 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

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