Wolfgang Sprengel

Research output

Research output per year 2006 2012 2013 2014 2018 2023

• 44 Article
• 26 (Old data) Lecture or Presentation
• 7 Conference paper
• 5 Poster
• 7 More
  • 2 Other report
  • 2 Chapter
  • 2 Abstract
  • 1 Comment/debate

Research output per year

Research output per year

Search results

• 2023

  From microscopic to atomistic scale: Temperature effect on yttria distribution in mechanically alloyed FeCrMnNiCo powder particles

  Mayer, M., Svoboda, J., Mendez Martin, F., Fellner, S., Gammer, C., Razumovskiy, V., Resch, L., Sprengel, W., Stark, A., Zeisl, S. & Ressel, G., 15 Dec 2023, In: Journal of Alloys and Compounds. 968, 12 p., 171850.

  Research output: Contribution to journal › Article › peer-review

• Influence of Oxygen on the Kinetics of Omega and Alpha Phase Formation in Beta Ti–V

  Enzinger, R. J., Luckabauer, M., Okamato, N. L., Ichitsubo, T., Sprengel, W. & Würschum, R., Feb 2023, In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 54, 2, p. 473-486 14 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Precipitation processes of Al-1.7 at% Cu and the influence of Au micro-alloying studied by dilatometry

  Brumbauer, F., Brossmann, U., Enzinger, R. J., Lie, J., Sprengel, W. & Würschum, R., 2023, In: Journal of Alloys and Compounds. 960, 8 p., 170699.

  Research output: Contribution to journal › Article › peer-review
• 2022

  Modulated dilatometry as a tool for simultaneous study of vacancy formation and migration

  Würschum, R., Weitenhüller, R., Enzinger, R. J. & Sprengel, W., Aug 2022, In: International Journal of Materials Research . 113, 8, p. 683-692 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Water intake of cellulose materials monitored by positron annihilation lifetime spectroscopy

  Resch, L., Karner, A., Sprengel, W., Würschum, R. & Schennach, R., Feb 2022, In: Cellulose. 29, 3, p. 1357–1363 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
• 2021

  Stainless steel reveals an anomaly in thermal expansion behavior of severely deformed materials

  Renk, O., Enzinger, R., Gammer, C., Scheiber, D., Oberdorfer, B., Tkadletz, M., Stark, A., Sprengel, W., Pippan, R., Eckert, J., Romaner, L. & Ruban, A., 30 Nov 2021, In: Physical Review Materials. 5, 11, 8 p., 113609.

  Research output: Contribution to journal › Article › peer-review
• 2020

  Fading study and readout optimization for routinely use of LiF:Mg,Ti thermoluminescent detectors for personal dosimetry

  Sorger, D., Stadtmann, H. & Sprengel, W., Jul 2020, In: Radiation Measurements. 135, 106342.

  Research output: Contribution to journal › Article › peer-review

  • Signal Fading 100%

• Influence of defects on ionic transport in LiTaO₃ – A study using EXAFS and positron annihilation lifetime spectroscopy

  Gadermaier, B., Resch, L., Pickup, D. M., Hanghofer, I., Hanzu, I., Heitjans, P., Sprengel, W., Würschum, R., Chadwick, A. V. & Wilkening, H. M. R., Sept 2020, In: Solid State Ionics. 352, 115355.

  Research output: Contribution to journal › Article › peer-review

• In situ monitoring of artificial aging and solution heat treatment of a commercial Al–Mg–Si alloy with a high intensity positron beam

  Resch, L., Gigl, T., Klinser, G., Hugenschmidt, C., Sprengel, W. & Würschum, R., 1 Jan 2020, In: Journal of Physics Condensed Matter. 32, 8, 085705.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Positron annihilation: A tool for paper research

  Resch, L., Karner, A., Sprengel, W., Würschum, R. & Schennach, R., 1 Sept 2020, Progress in Paper Physics Seminar. p. 67-70 4 p. (VTT Technology; vol. 378).

  Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

  Open Access

• Search for vacancies in concentrated solid-solution alloys with fcc crystal structure

  Resch, L., Luckabauer, M., Helthuis, N., Okamoto, N., Ichitsubo, T., Enzinger, R. J., Sprengel, W. & Würschum, R., 22 Jun 2020, In: Physical Review Materials. 4, 6, 060601(R).

  Research output: Contribution to journal › Article › peer-review

  Open Access
• 2019

  High-precision isothermal dilatometry as tool for quantitative analysis of precipitation kinetics: case study of dilute Al alloy

  Enzinger, R. J., Hengge, E., Sprengel, W. & Würschum, R., 2019, In: Journal of Materials Science. 54, 6, p. 5083-5091

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Identification of different positron trapping sites during artificial aging of a commercial light weight alloy

  Resch, L., Klinser, G., Sprengel, W. & Würschum, R., 27 Dec 2019, The 18th International Conference on Positron Annihilation (ICPA-18): AIP Conference Proceedings . Vol. 2182. p. 050012-1 - 050012-4 4 p. (AIP Conference Proceedings).

  Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

  Open Access

• Recent progress in dilatometry for quantitative analysis of precipitation kinetics

  Würschum, R., Enzinger, R. J., Hengge, E. & Sprengel, W., 2019, 40th Risø International Symposium on Material Science: IOP Conf. Series: Materials Science and Engineering. Vol. 580. (IOP Conference Series / Materials Science and Engineering).

  Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

• Recovery and recrystallization study of an Al-3wt%Mg alloy using a unique combination of quantitative difference-dilatometry and electron backscatter diffraction (EBSD)

  Arneitz, S., Buzolin, R. H., Poletti, M. C. & Sprengel, W., 2019.

  Research output: Contribution to conference › Poster

• Size effect in nonstoichiometric titanium monoxide and vanadium carbide nanocrystals measured by positron lifetime spectroscopy

  Rempel, A. A., Valeeva, A. A., Kurlov, A. S., Klinser, G. & Sprengel, W., 2019, In: Mendeleev Communications. 29, 486-488, p. 486-488

  Research output: Contribution to journal › Article › peer-review
• 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 journal › Comment/debate › peer-review

  • Sulfide 100%
  • Lifespan 100%
  • Silver 100%
  • Nanoparticle 33%
  • Sodium Chloride 33%

• Kinetics of vacancy annealing upon time-linear heating applied to dilatometry

  Enzinger, R., Neubauer, C., Kotzurek, J., Sprengel, W. & Würschum, R., 2018, In: Journal of Materials Science. 53, p. 2758-2765

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Lifetime of Positrons in Nanostructured Nonstoichiometric Silver Sulfide Ag_2-δS

  Rempel, A., Sadovnikov, S., Klinser, G. & Sprengel, W., 2018, In: JETP Letters. 107, 1, p. 4–9

  Research output: Contribution to journal › Article › peer-review

• Precipitation processes in Al–Mg–Si extending down to initial clustering revealed by the complementary techniques of positron lifetime spectroscopy and dilatometry

  Resch, L., Klinser, G., Hengge, E., Enzinger, R. J., Luckabauer, M., Sprengel, W. & Würschum, R., 2018, In: Journal of Materials Science. 53, p. 14657 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Precipitation Processes Including Initial Clustering during Artificial Aging in a Commercial Al-Mg-Si Alloy

  Resch, L., Klinser, G., Hengge, E., Enzinger, R. J., Luckabauer, M., Sprengel, W. & Würschum, R., 20 Aug 2018.

  Research output: Contribution to conference › Abstract

• Quantitative analysis of the precipitation kinetics in dilute alloys by isothermal in-situ high-precision dilatometry

  Hengge, E., Enzinger, R. J., Sprengel, W. & Würschum, R., 11 Sept 2018.

  Research output: Contribution to conference › Abstract

• Quantitative volumetric identification of precipitates in dilute alloys using high-precision isothermal dilatometry

  Hengge, E., Enzinger, R. J., Luckabauer, M., Sprengel, W. & Würschum, R., 2018, In: Philosophical Magazine / Letters. 98, p. 301 309 p.

  Research output: Contribution to journal › Article › peer-review
• 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 journal › Article › peer-review

• 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 journal › Article › peer-review

• 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 journal › Article › peer-review

• 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., 2017, Magnesium Technology 2017. p. 669-674 6 p. (The Minerals, Metals & Materials Series; vol. F8).

  Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

  • Aluminum Alloys 100%
  • Age Hardening 50%
  • Light Metal 50%

• 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 / Letters. 97, 11, p. 450-458

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Structural anisotropy in equal-channel angular extruded nickel revealed by dilatometric study of excess volume

  Kotzurek, J., Sprengel, W., Krystian, M., Simic, S., Pölt, P., Hohenwarter, A., Pippan, R. & Würschum, R., 2017, In: International Journal of Materials Research . 108, p. 81-88

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Crystallite 100%
• 2016

  A high-stability non-contact dilatometer for low-amplitude temperature-modulated measurements

  Luckabauer, M., Sprengel, W. & Würschum, R., 2016, In: Review of Scientific Instruments. 87, 7, 075116.

  Research output: Contribution to journal › Article › peer-review

• Anisotropic defect recovery in HPT- and ECAP- processed ultrafine-grained Ni studied by difference dilatometry

  Kotzurek, J., Hohenwarter, A., Krystian, M., Sprengel, W., Pippan, R. & Würschum, R., 2016, p. 312-313.

  Research output: Contribution to conference › Poster

• Combined volumetric energetic and microstructural defect analysis of ECAP-processed nickel

  Reglitz, G., Oberdorfer, B., Fleischmann, N., Kotzurek, J., Divinski, S., Sprengel, W., Wilde, G. & Würschum, R., 2016, In: Acta Materialia. 103, p. 396-406

  Research output: Contribution to journal › Article › peer-review

• Direct measurement of vacancy relaxation by dilatometry

  Kotzurek, J., Steyskal, E-M., Oberdorfer, B., Hohenwarter, A., Pippan, R., Sprengel, W. & Würschum, R., 2016, In: Applied Physics Letters. 109, 2, 4 p., 021906.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Excess volume and defect annealing in HPT- and ECAP-processed ultrafine-grained Ni studied by difference dilatometry

  Würschum, R., Kotzurek, J., Hohenwarter, A., Krystian, M., Sprengel, W. & Pippan, R., 2016.

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

• High precision dilatometry as novel tool for in-situ-real-time monitoring of aging processes in Al alloys

  Würschum, R., Luckabauer, M., Hengge, E., Klinser, G. & Sprengel, W., 2016.

  Research output: Contribution to conference › (Old data) Lecture or Presentation
• 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 Sept 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
• 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 Sept 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 proceeding › Conference paper › peer-review

• 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 Sept 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 journal › Article › peer-review

  Open Access

• 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 conference › Poster

• 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 Sept 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 journal › Article › peer-review

• The Decisive Contributions by L. Boltzmann and C. Matano to the Quantitative Analysis of Diffusion Phenomena

  Sprengel, W. & Koiwa, M., 2014, In: Diffusion Foundations. 1, p. 49 57 p.

  Research output: Contribution to journal › Article › peer-review