Helmut Clemens

(Former)

Research output

  1. 2009
  2. Published

    Entwicklung und Eigenschaften intermetallischer Titanaluminide für Flugzeugtriebwerke

    Clemens, H., 2009, Gefüge und Bruch. p. 177-187

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

  3. Published

    Experimental Studies and Thermodynamic Simulations of Phase Transformations in Ti-(41-45) Al-4Nb-1Mo-0.1B Alloys

    Clemens, H., Böck, B., Wallgram, W., Schmölzer, T., Drössler, L. M., Zickler, G., Leitner, H. & Otto, A., 2009, Experimental Studies and Thermodynamic Simulations of Phase Transformations in Ti-(41-45) Al-4Nb-1Mo-0.1B Alloys. Materials Research Society : MRS, p. 115-120

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

  4. Published

    High carbon solubility in a y-TiAl-based Ti-45Al-5Nb-0.5C alloy and its effect on hardening

    Scheu, C., Stergar, E., Schober, M., Cha, L., Clemens, H., Bartels, C., Schimansky, F.-P. & Cerezo, A., 2009, In: Acta materialia. 57, p. 1504-1511

    Research output: Contribution to journalArticleResearchpeer-review

  5. Published

    Hot-die Forging of a beta-stabilized gamma-TiAl Based Alloys

    Wallgram, W., Kremmer, S., Clemens, H., Otto, A. & Güther, V., 2009, Hot-die Forging of a beta-stabilized gamma-TiAl Based Alloys. Materials Research Society : MRS, p. 109-114

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

  6. Published

    Initial Stages of Lamellae Formation in High Nb Containing gamma-TiAl Based Alloys

    Cha, L., Scheu, C., Dehm, G., Schnitzer, R. & Clemens, H., 2009, Initial Stages of Lamellae Formation in High Nb Containing gamma-TiAl Based Alloys. Materials Research Society : MRS, p. 153-158

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

  7. Published

    In Situ Characterization of a Nb and Mo Containing y-TiAl Based Alloy Using Neutron Diffraction and High-Temperature Microscopy

    Watson, B. I. J., Liss, K.-D., Clemens, H., Wallgram, W., Schmölzer, T., Hansen, T. C. & Reid, M., 2009, In: Advanced engineering materials. 11, p. 932-937

    Research output: Contribution to journalArticleResearchpeer-review

  8. Published

    In situ study of dynamic recrystallization and hot deformation behavior of a multiphase titanium aluminide alloy

    Liss, K.-D., Schmölzer, T., Yan, K., Reid, M., Peel, M., Dippenaar, R. & Clemens, H., 2009, In: Journal of applied physics. 106, p. 1-10

    Research output: Contribution to journalArticleResearchpeer-review

  9. Published

    Intermetallische Werkstoffe, Flugzeugtriebwerke, Nano und Klimaschutz - ein Widerspruch

    Clemens, H., 2009, Werkstoff- und Nanotechnologien - Rohstoff für Innovationen. p. 19-21

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

  10. Published

    Microstructure and Tensile Ductility of a Ti-43Al-4Nb-1Mo-0.1B Alloy

    Drössler, L. M., Schmölzer, T., Wallgram, W., Cha, L., Das, G. & Clemens, H., 2009, Microstructure and Tensile Ductility of a Ti-43Al-4Nb-1Mo-0.1B Alloy. Materials Research Society : MRS, p. 121-126

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

  11. Published

    Microstructure and Texture Formation During Near Conventional Forging of an Intermetallic Ti-45Al-5Nb Alloy

    Stark, A., Bartels, A., Clemens, H., Kremmer, S., Schimansky, F.-P. & Gerling, R., 2009, In: Advanced engineering materials. 11, p. 976-981

    Research output: Contribution to journalArticleResearchpeer-review

  12. Published
  13. Published

    New sample environments for in-situ materials science synchrotron radiation studies

    Lippmann, T., Fischer, T., Staron, P., Zickler, G., Schnitzer, R., Martins, R. V., Stark, A., Oehring, M., Bergmann, L., dos Santos, J., Pyczak, F., Müller, M., Clemens, H. & Schreyer, A., 2009.

    Research output: Contribution to conferencePosterResearchpeer-review

  14. Published

    On the Recrystallization Behavior of Technically Pure Molybdenum

    Primig, S., Leitner, H., Rodriguez Chavez, A., Clemens, H., Lorich, A., Knabl, W. & Stickler, R., 2009, proc. in 17 th Plansee Seminar. p. 15/1-15/9

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

  15. Published

    Revealing deformation mechanisms in small dimensions with micro-compression and nanoindentation tests

    Rester, M., Kirchlechner, C., Motz, C., Pippan, R., Clemens, H. & Dehm, G., 2009.

    Research output: Contribution to conferencePosterResearchpeer-review

  16. Published
  17. Published

    Technology and mechanical properties of advanced y-TiAl based alloys

    Wallgram, W., Schmölzer, T., Cha, L., Das, G., Güther, V. & Clemens, H., 2009, In: International journal of materials research : IJMR ; Zeitschrift für Metallkunde. 100, p. 1021-1029

    Research output: Contribution to journalArticleResearchpeer-review

  18. Published
  19. Published
  20. Published

    Triebwerke von morgen: effizient, leicht, leiste

    Clemens, H., 2009, Stoffe aus denen die Zukunft ist. p. 9-9

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

  21. Published

    Werkstoffe als Motor des Fortschritts

    Clemens, H., 2009, Stoffe aus denen die Zukunft ist. p. 15-15

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

  22. Published

    Werkstoffwissenschaft

    Clemens, H., 2009, In: Berg- und hüttenmännische Monatshefte : BHM. 154 Jg., p. 342-345

    Research output: Contribution to journalArticleResearchpeer-review

  23. 2008
  24. Published

    54. Metallkunde-Kolloquium - Abstractband

    Clemens, H. (Editor) & Kneißl, A. (Editor), 2008, Eigenverlag.

    Research output: Book/ReportAnthologyResearch

  25. Published

    A beta-stabilized gamma-TiAl Based Alloy for improved processing performance

    Clemens, H., Chladil, H., Wallgram, W., Böck, B., Kremmer, S., Otto, A., Güther, V. & Bartels, A., 2008, Structural Aluminides for Elevated Temperatures. TMS, p. 217-228

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

  26. Published

    Characteristics of the tensile flow behavior of Nb-46Al-9Nb sheet material – analysis of thermally-activated processes of plastic deformation

    Bystrzanowski, S., BARTELS, A., Clemens, H. & Gerling, R., 2008, In: Intermetallics. 16, p. 717-726

    Research output: Contribution to journalArticleResearchpeer-review

  27. Published

    Characterization of Phospholipid Bilayers on Ti-6Al-4V and Ti-6Al-7Nb

    Pressl, D., Teichert, C., Hlawacek, G., Clemens, H., Iliev, P. P., Schuster, A., Feyerabend, F. & Willumeit, R., 2008, In: Advanced engineering materials. 10, p. B47-B52

    Research output: Contribution to journalArticleResearchpeer-review

  28. Published

    Computational Analysis of the Precipitation Kinetics in a Complex Tool Steel

    Sonderegger, B., Kozeschnik, E., Leitner, H., Clemens, H., Svoboda, J. & Fischer, F. D., 2008, In: International journal of materials research : IJMR ; Zeitschrift für Metallkunde. 99, p. 410-415

    Research output: Contribution to journalArticleResearchpeer-review

  29. Published

    Design of Novel ß-solidifying TiAl Alloys with Adjustable ß/B2-phase Fraction and Excellent Hot-Workability

    Clemens, H., Wallgram, W., Kremmer, S., Güther, V., Otto, A. & Bartels, A., 2008, In: Advanced engineering materials. 10, p. 707-713

    Research output: Contribution to journalArticleResearchpeer-review

  30. Published

    Diffraction-based Residual Stress Analysis Applied to Problems in the Aircraft Industry

    Staron, P., Cihak, U., Clemens, H., Stockinger, M., Bayraktar, F. S., Vaidya, V. V., Kocak, M. & Schreyer, A., 2008, Neutrons and Synchrotron Radiation in Engineering Materials Science from Fundamentals to Material and Component Characterization. p. 389-412

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  31. Published

    Directional Atomic Rearrangements during Transformations between the apha- and gamma-phases in TiAl”

    Liss, K.-D., Stark, A., BARTELS, A., Clemens, H., Buslaps, T., Phelan, D. & Yeoh, L., 2008, In: Advanced engineering materials. 10, p. 389-392

    Research output: Contribution to journalArticleResearchpeer-review

  32. Published

    In- and Ex-situ Investigation of the beta-phase in a Nb and Mo Containing gamma-TiAl Based Alloy

    Clemens, H., Chladil, H., Wallgram, W., Zickler, G., Gerling, R., Liss, K.-D., Kremmer, S., Güther, V. & Smarsly, W., 2008, In: Intermetallics. 16, p. 827-833

    Research output: Contribution to journalArticleResearchpeer-review

  33. Published

    Influence of aluminium nitride on the high-temperature ductility of continuous cast slabs

    Winkelhofer, F., Parteder, E., Clemens, H., Leitner, H., Spiradek-Hahn, K. & Kozeschnik, E., 2008, In: Practical metallography = Praktische Metallographie. 45, p. 159-172

    Research output: Contribution to journalArticleResearchpeer-review

  34. Published

    Influence of C and Nb Concentration on the High Temperature Deformation Behaviour of Nb-rich Gamma-TiAl Alloys

    Stark, A., Bartels, A., Schimansky, F.-P., Gerling, R. & Clemens, H., 2008, Ti-2007 Science and Technology. p. 685-688

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

  35. Published

    INFLUENCE OF OXIDATION PROTECTIVE COATINGS ON THE DUCTILITY OF A gamma-TiAl BASED ALLOY

    Moser, M., Mayrhofer, P. H. & Clemens, H., 2008,

    The Minerals, Metals & Materials Society, 137th annual meeting proceedings

    .
    TMS, p. 305-313

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

  36. Published

    In-situ Characterization of Phase Transformations and Microstructure Evolution in a gamma-TiAl Based Alloys

    Liss, K.-D., BARTELS, A., Clemens, H., Stark, A., Buslaps, T., Phelan, D. & Yeoh, L. A., 2008, Structural Aluminides for Elevated Temperatures. TMS, p. 137-144

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

  37. Published

    In-situ high-temperature characterisation of phase transformations in intermetallic γ-TiAl alloys

    Zickler, G., Drössler, L., Clemens, H., Klaus-Dieter, L. & Hölzel, M., 2008

    Research output: Book/ReportCommissioned reportTransferpeer-review

  38. Published

    In-situ High-Temperature SAXS Studies of the Precipitation Kinetics in a Fe-Co-Mo Alloy

    Zickler, G., Eidenberger, E., Stergar, E., Leitner, H., Clemens, H., Lippmann, T., Staron, P., Fischer, T., Schreyer, A. & Novak, R., 2008

    Research output: Book/ReportCommissioned reportTransferpeer-review

  39. Published

    In-situ small-angle X-ray scattering study of the precipitation behavior in a Fe-25 at.%Co-9 at.%Mo alloy

    Zickler, G., Eidenberger, E., Leitner, H., Stergar, E., Clemens, H., Staron, P., Lippmann, T. & Schreyer, A., 2008, In: Materials characterization. 59, p. 1809-1813

    Research output: Contribution to journalArticleResearchpeer-review

  40. Published

    Intermetallische Werkstoffe für Anwendungen in Automobil- und Flugzeugtriebwerken

    Clemens, H., 2008, In: Berg- und hüttenmännische Monatshefte : BHM. 153, p. 337-341

    Research output: Contribution to journalArticleResearchpeer-review

  41. Published

    Isothermal aging kinetics of NiAl precipitates in a secondary hardening steel

    Erlach, S., Siller, I., Leitner, H. & Clemens, H., 2008, In: International journal of microstructure and materials properties (IJMMP). 3, p. 373-382

    Research output: Contribution to journalArticleResearchpeer-review

  42. Published

    Kurzzeitkriechverhalten eines Warmarbeitsstahls

    Wurmbauer, H., Scheu, C., Panzenböck, M., Stergar, E., Leitner, H., Clemens, H. & Caliskanoglu, Z. D., 2008, Herausforderungen neuer Werkstoffe an die Forschung und Werkstoffprüfung. p. 251-256

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

  43. Published

    Microstructure and corresponding tensile properties of As-cast, beta-solidifying, gamma-TiAl based TNM alloys

    Güther, V., Otto, A., Klose, J., Rothe, C., Clemens, H., Kachler, W., Winter, S. & Kremmer, S., 2008, Structural Aluminides for Elevated Temperatures. TMS, p. 249-256

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

  44. Published

    Microstructure and Mechanical Properties of a Hot-work Tool Steel

    Mayer, S., Scheu, C., Leitner, H., Siller, I. & Clemens, H., 2008.

    Research output: Contribution to conferencePosterResearchpeer-review

  45. Published

    Microstructure and Mechanical Properties of Ti-45Al-5Nb + (0 - 0.5C) Sheets

    Gerling, R., Schimansky, F. P., Stark, A., BARTELS, A., Kestler, H., Cha, L., Scheu, C. & Clemens, H., 2008, In: Intermetallics. 16, p. 689-697

    Research output: Contribution to journalArticleResearchpeer-review

  46. Published

    Microstructure and Properties of Engineering Materials

    Clemens, H. & Scheu, C., 2008, Neutrons and Synchrotron Radiation in Engineering Materials Science from Fundamentals to Material and Component Characterization. p. 3-20

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  47. Published

    Nanometer-scaled lamellar microstructures in Ti–45Al–7.5Nb–(0; 0.5)C alloys and their influence on hardness

    Cha, L., Scheu, C., Clemens, H., Chladil, H., Dehm, G., Gerling, R. & BARTELS, A., 2008, In: Intermetallics. 16, p. 868-875

    Research output: Contribution to journalArticleResearchpeer-review

  48. Published

    Near Conventional Forging of Titanium Aluminides

    Kremmer, S., Chladil, H., Clemens, H., Otto, A. & Güther, V., 2008, Ti-2007 Science and Technology. p. 989-992

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

  49. Published

    Neutrons and Synchrotron Radiation in Engineering Materials Science

    Reimers, W. (Co-editor), Pyzalla, A. (Co-editor), Schreyer, A. (Co-editor) & Clemens, H. (Co-editor), 2008, Weinheim: Wiley-VCH .

    Research output: Book/ReportBookResearch

  50. Published

    Observation of the precipitation behaviour of Fe-25Co-15Mo by SANS and 3DAP

    Eidenberger, E., Stergar, E., Staron, P., Leitner, H. & Clemens, H., 2008.

    Research output: Contribution to conferencePosterResearchpeer-review

  51. Published

    On the Formation of Ordered w-phase in High Nb Containing γ-TiAl Based Alloys”

    Stark, A., BARTELS, A., Clemens, H. & Schimansky, F.-P., 2008, In: Advanced engineering materials. 10, p. 929-934

    Research output: Contribution to journalArticleResearchpeer-review

  52. Published

    On the influence of coating and oxidation on the mechanical properties of a gamma-TiAl based alloy

    Moser, M., Mayrhofer, P. H. & Clemens, H., 2008, In: Intermetallics. 16, p. 1206-1211

    Research output: Contribution to journalArticleResearchpeer-review