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Author

  • Wolfgang Sprengel
2011

Atomic Defects in Ultrafine-Grained Metals: Direct and Specific Studies for their Characterization and their Kinetics

Sprengel, W., Oberdorfer, B., Steyskal, E-M., Puff, W., Hugenschmidt, C., Pikart, P., Zehetbauer, M., Pippan, R. & Würschum, R., 3 Jul 2011.

Research output: Contribution to conference(Old data) Lecture or Presentation

Grain boundary excess volume in metals determined by dilatometry

Steyskal, E-M., Oberdorfer, B., Sprengel, W., Zehetbauer, M., Pippan, R. & Würschum, R., 2011, p. 441-441.

Research output: Contribution to conference(Old data) Lecture or Presentation

In-situ probing of fast defect annealing in Cu and Ni with a high-intensity positron beam

Oberdorfer, B., Steyskal, E-M., Sprengel, W., Puff, W., Pikart, P., Hugenschmidt, C., Zehetbauer, M., Pippan, R. & Würschum, R., 2011, Verhandlungen der Deutschen Physikalischen Gesellschaft. ., p. 441-441

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

Recrystallization kinetics of ultrafine-grained Ni studied by dilatometry

Oberdorfer, B., Steyskal, E-M., Sprengel, W., Pippan, R., Zehetbauer, M., Puff, W. & Würschum, R., 2011, In : Journal of Alloys and Compounds. 509, p. 5309-5311

Research output: Contribution to journalArticle

2012

Absolute concentration of free volumes and related properties of ultrafine grained metals studied by time-dependent dilatometry

Oberdorfer, B., Steyskal, E-M., Sprengel, W., Zehetbauer, M., Pippan, R. & Würschum, R., 26 Mar 2012.

Research output: Contribution to conference(Old data) Lecture or Presentation

Defect investigations of an ironnickel meteorite

Parz, P., Puff, W., Sprengel, W. & Leitner, M., 2012.

Research output: Contribution to conferencePoster

Defects in an iron-nickel meteorite examined with positrons

Parz, P., Puff, W., Sprengel, W. & Leitner, M., 2012.

Research output: Contribution to conferencePoster

Dilatometry: a powerful tool for the study of defects in ultrafine grained metals

Sprengel, W., Oberdorfer, B., Steyskal, E-M. & Würschum, R., 2012, In : Journal of Materials Science. 47, p. 7921-7925

Research output: Contribution to journalArticle

Dilatometry – A Powerful Tool for the Study of Defects in Ultrafine Grained Metals

Sprengel, W., Oberdorfer, B., Steyskal, E-M. & Würschum, R., 12 Mar 2012.

Research output: Contribution to conference(Old data) Lecture or Presentation

Direct experimental determination of grain boundary excess volume in metals

Steyskal, E-M., Oberdorfer, B., Sprengel, W., Zehetbauer, M., Pippan, R. & Würschum, R., 2012, In : Physical Review Letters. 108, p. 055504/1-055504/5

Research output: Contribution to journalArticle

Direct measurements of reversible free-volume formation in bulk Zr56Al7Cu24Ni10Co3 glass below the glass transition temperature

Luckabauer, M., Wunderlich, R., Fecht, H-J. & Sprengel, W., 18 Sep 2012.

Research output: Contribution to conference(Old data) Lecture or Presentation

Element-specific study of local segmental dynamics of polyethylene terephthalate upon physical aging

Sato, K. & Sprengel, W., 2012, In : The Journal of Chemical Physics. 137, p. 104906/1-104906/7

Research output: Contribution to journalArticle

Free volumes in bulk nanocrystalline metals studied by the complementary techniques of positron annihilation and dilatometry

Würschum, R., Oberdorfer, B., Steyskal, E-M., Sprengel, W., Puff, W., Pikart, P., Hugenschmidt, C. & Pippan, R., 2012, In : Physica / B. 407, p. 2670-2675

Research output: Contribution to journalArticle

2013

Comprehensive defect characterization of different iron samples after severe plastic deformation

Puff, W., Zhou, X., Oberdorfer, B., Scherwitzl, B. R., Parz, P., Sprengel, W. & Würschum, R., 2013, In : Journal of Physics / Conference Series. 443, 1, p. 012033-012033

Research output: Contribution to journalArticle

Dilatometric studies of volume-type atomic defects and their kinetics in ultrafine-grained and amorphous metals

Sprengel, W. & Luckabauer, M., 24 Jun 2013.

Research output: Contribution to conference(Old data) Lecture or Presentation

Open Access
File

Dilatometric studies of volume-type atomic defects and their kinetics in ultrafine-grained and amorphous metals

Sprengel, W. & Luckabauer, M., 7 Oct 2013.

Research output: Contribution to conference(Old data) Lecture or Presentation

High-resolution laser dilatometry applied to reversible relaxation phenomena in a Zr-based bulk metallic glass

Luckabauer, M., Kühn, U., Eckert, J. & Sprengel, W., 2 Jul 2013.

Research output: Contribution to conference(Old data) Lecture or Presentation

Reaction diffusion and interdiffusion in some binary metallic systems

Mehrer, H. & Sprengel, W., 2013, In : Philosophical magazine (London) / Letters. 93, 16, p. 1971-1986

Research output: Contribution to journalArticle

Self- and Solute Diffusion, Interdiffusion and Thermal Vacancies in the System Iron-Aluminium

Mehrer, H., Luckabauer, M. & Sprengel, W., 2013, In : Defect and diffusion forum [Elektronische Resource]. 333, p. 1-25

Research output: Contribution to journalArticle

Vacancy-type and interface-related defects in ultrafine grained materials (Invited talk)

Würschum, R., Parz, P., Puff, W. & Sprengel, W., 2013, SLOPOS13 - Book of Abstracts. ., p. 24-24

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

2014

Assessment of and clinical experience with a novel system for 3D radiation treatment plan QA intended for independent dose calculation for VMAT

Winkler, P., Uller, A., Odreitz, S., Maier, K. & Sprengel, W., 7 Sep 2014.

Research output: Contribution to conference(Old data) Lecture or Presentation

Charging-induced defects in LiCo-oxide battery electrodes

Würschum, R., Sprengel, W., Reiner, M., Hugenschmidt, C., Fiedler, M. & Schmitz, G., 22 Aug 2014.

Research output: Contribution to conference(Old data) Lecture or Presentation

Defect Studies in Ultrafine-Grained and Amorphous Metals with Dilatometric Techniques

Sprengel, W., 2014, International Conference on Diffusion in Materials. ., p. I-10-x

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

Dilatometry as tool for measuring absolute concentrations of free volumes in SPD metals

Würschum, R., Sprengel, W., Kotzurek, J. A., Steyskal, E-M. & Oberdorfer, B., 30 Jun 2014.

Research output: Contribution to conference(Old data) Lecture or Presentation

Evaluation and implementation of the Acuros XB dose calculation algorithm for clinical radiation therapy treatment planning

Buschmann, M., Odreitz, S., Sprengel, W. & Winkler, P., 7 Sep 2014.

Research output: Contribution to conference(Old data) Lecture or Presentation

Free Volume in SPD-Ni: Influence of Deformation Method, Structure and Purity studied by Difference Dilatometry

Kotzurek, J. A., Trubel, S., Hohenwarter, A., Divinskiy, S., Sprengel, W., Wilde, G., Pippan, R. & Würschum, R., 30 Jun 2014.

Research output: Contribution to conference(Old data) Lecture or Presentation

Grain boundary excess volume and defect annealing of copper after high-pressure torsion

Oberdorfer, B., Setman, D., Steyskal, E-M., Hohenwarter, A., Sprengel, W., Zehetbauer, M., Pippan, R. & Würschum, R., 2014, In : Acta materialia. 68, p. 189-195

Research output: Contribution to journalArticle

High-resolution laser dilatometry: Volume equilibration in a bulk metallic glass

Luckabauer, M., Kühn, U., Eckert, J. & Sprengel, W., 3 Apr 2014.

Research output: Contribution to conference(Old data) Lecture or Presentation

Methodik zur verbesserten Datenerfassung bei der 4D-Computertomographie

Kupper, M., Sprengel, W., Winkler, P. & Zurl, B., 2014.

Research output: Contribution to conferencePoster

Specific volume in a bulk metallic glass studied with complementary techniques of dilatometry and in-situ Doppler broadening

Sprengel, W., Luckabauer, M., Hugenschmidt, C. & Reiner, M., 14 Sep 2014.

Research output: Contribution to conference(Old data) Lecture or Presentation

Specific volume study of a bulk metallic glass far below its calorimetrically determined glass transition temperature

Luckabauer, M., Kühn, U., Eckert, J. & Sprengel, W., 2014, In : Physical Review / B. 89, p. 174113-1-174113-6

Research output: Contribution to journalArticle

Von der Vermessung atomarer Freiräume zu neuen Materialien; From Measuring Open Spaces to Novel Materials

Sprengel, W. & Würschum, R., 2014, Graz: Medienfabrik Graz. (Forschungsjournal der TU Graz, 2014-1; vol. 11)

Research output: Book/ReportOther report

2015

Defects and structural anisotropy of HPT- and ECAP-deformed metals studied by difference dilatometry (Highlight lecture)

Sprengel, W., Kotzurek, J., Neubauer, C., Steyskal, E-M., Hohenwarter, A., Pippan, R., Trubel, S., Divinski, S., Wilde, G. & Würschum, R., 21 Sep 2015.

Research output: Contribution to conference(Old data) Lecture or Presentation

Defects and structural anisotropy of HPT- and ECAP-deformed metals studied by differential dilatometry

Würschum, R., Kotzurek, J., Neubauer, C., Steyskal, E-M., Sprengel, W., Pippan, R., Trubel, S., Divinski, S. & Wilde, G., 2015.

Research output: Contribution to conference(Old data) Lecture or Presentation

Defects and structural anisotropy of HPT- and ECAP-deformed Ni studied by difference dilatometry

Kotzurek, J., Hohenwarter, A., Trubel, S., Neubauer, C., Divinskiy, S., Sprengel, W., Wilde, G., Pippan, R. & Würschum, R., 15 Mar 2015.

Research output: Contribution to conference(Old data) Lecture or Presentation

2017

A method for improved 4D-computed tomography data acquisition

Kupper, M., Sprengel, W., Winkler, P. & Zurl, B., 2017, In : Zeitschrift für medizinische Physik. 27, 1, p. 31-38

Research output: Contribution to journalArticle

Defects and Charging Processes in Li-Ion Battery Cathodes Studied by Operando Magnetometry and Positron Anihilation

Würschum, R., Topolovec, S., Klinser, G., Sprengel, W., Kren, H., Koller, S., Krenn, H., Hugenschmidt, C., Reiner, M., Gigl, T., Berkermeier, F. & Fiedler, M., 2017, In : Materials Science Forum. 879, p. 2125-2130

Research output: Contribution to journalArticle

Improvement of the TLD dose calculation by application of an individual residual dose correction

Wilding, G., Stadtmann, H. & Sprengel, W., 4 Apr 2017, In : Radiation Measurements. 106, p. 273-277

Research output: Contribution to journalArticle

In Situ Real-Time Monitoring of Aging Processes in an Aluminum Alloy by High-Precision Dilatometry

Luckabauer, M., Hengge, E., Klinser, G., Sprengel, W., Würschum, R. & Solanki, K. N. (ed.), 2017, Magnesium Technology 2017: The Minerals, Metals & Materials Series (2017). p. 669-674 6 p.

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

Internal stress and defect-related free volume in submicrocrystalline Ni studied by neutron diffraction and difference dilatometry

Kotzurek, J., Hofmann, M., Simic, S., Pölt, P., Hohenwarter, A., Pippan, R., Sprengel, W. & Würschum, R., 2017, In : Philosophical magazine (London) / Letters. 97, 11, p. 450-458

Research output: Contribution to journalArticle

Open Access
2018

Erratum to: Lifetime of Positrons in Nanostructured Nonstoichiometric Silver Sulfide Ag2–δS (JETP Letters, (2018), 107, 1, (4-9), 10.1134/S0021364018010095)

Rempel, A. A., Sadovnikov, S. I., Klinser, G. & Sprengel, W., 1 Apr 2018, In : JETP letters. 107, 8, 1 p.

Research output: Contribution to journalComment/debate

Open Access

Lifetime of Positrons in Nanostructured Nonstoichiometric Silver Sulfide Ag2-δS

Rempel, A., Sadovnikov, S., Klinser, G. & Sprengel, W., 2018, In : JETP letters. 107, 1, p. 1-9

Research output: Contribution to journalArticle