Abel Woldu Ourgessa, PhD.

Scientific background:  

  • inorganic waste volarisation
  • 3D printing alkali-activated materials and geopolymers
  • sustainable cementitious materials
  • low carbon binders

Publication activity: 

  • Publications in scientific journals: 6
  • Contributed lectures at conferences: 4
  • Invited lectures: 2
  • Citations: 35

The most significant publications:

  • Abel W. Ourgessa, J. Kraxner, H. Elsayed, D. Galusek, E. Bernardo, “Sustainable construction materials from alkali-activated waste fiberglass and waste refractory”, Open Ceramics, 2024, https://doi.org/10.1016/j.oceram.2024.100678.
  • Abel W. Ourgessa , Ahmed G, Mokhtar Mouhamed, Jozef Kraxner, Hamada Elsayed, Dusan Galusek and Enrico Bernardo “Direct ink writing of lightweight 3D structures from alkali-activated waste fiberglass and glass microsphere fillers“. Open ceramics, 2025, https://doi.org/10.1016/j.oceram.2025.100825
  • Varlik E, Drotárová L,Ourgessa A, Vitázková M, Nawaz Q, Chen S, et al. Low-temperature sintered boron-doped S53P4bioactive glass scaffolds fabricated by robocasting. JAm Ceram Soc. 2025;e70292.https://doi.org/10.1111/jace.70292
  • W.Ourgessa, A.Tebeje, R.A. Hafa-The Effect of Alkaline Concentration and Curing Temperature on the Durability of Fly Ash Geopolymer Mortar, Advanced material research, Vol 117(2022) https://doi.org/10.4028/p-ceit32
  • Abel W. Ourgessa, Amen Aniley, Ababo G. Gudisa, Ibsa Neme, Alemshet Bekele. (2019). Effect of Alkaline Concentration and Solid Liquid Ratio on the Acid Resistance of Fly Ash-Based Geopolymer Mortar. American Journal of Science, Engineering and Technology, 4(4), 80-85. https://doi.org/10.11648/j.ajset.20190404.14)

Education:

2025: PhD– Doctor of Philosophy in chemical engineering from the FunGlass Centre, Slovakia, and industrial engineering from the University of Padova, Italy. Thesis titled “Geopolymer-like materials from engineered mixtures of inorganic waste

2015: MSc. Degree in chemical engineering, KU Leuven, Belgium. Thesis titles: “Effect of addition of calcined clay and curing temperature on the freeze-thaw resistance of geopolymer mortars

 Awards, scholarships, and research stays:

  • Internal Grant, FunGlass (2022-2023)
  • PhD fellowship, Industrial Engineering Department, University of Padova (2022-2023)
  • Addis Ababa Science and Technology University (AASTU) research and technology transfer department, 2017-2019
Abel Woldu Ourgessa, PhD.
Abel Woldu Ourgessa, PhD.
Researcher
Departemnt of Glass Processing

E-mail: abel.ourgessa@tnuni.sk
Tel.: +421 32 7400 524
Office: n. B2.06b