Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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Brno University of Technology

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Topics

Publications (13/13 displayed)

  • 2024Hybrid Geopolymer Composites Based on Fly Ash Reinforced with Glass and Flax Fiberscitations
  • 2021Mechanical Fracture and Fatigue Characteristics of Fine-Grained Composite Based on Sodium Hydroxide-Activated Slag Cured under High Relative Humidity12citations
  • 2021Deflection of an eccentric crack under mixed-mode conditions in an SCB specimen9citations
  • 2021Strength characteristics of concrete exposed to the elevated temperatures according to the temperature-time curve ISO 8343citations
  • 2021Influence of rock inclusion composition on the fracture response of cement-based composite specimens1citations
  • 2021Advanced Evaluation of the Freeze–Thaw Damage of Concrete Based on the Fracture Tests4citations
  • 2021Fracture parameters of fly ash geopolymer mortars with carbon black and graphite fillercitations
  • 2021Numerical analysis of a semi-circular disc with an angled crack loaded in mixed-modecitations
  • 2020Modelling of interfacial transition zone effect on resistance to crack propagation in fine-grained cement-based composites3citations
  • 2020Mechanical Fracture and Fatigue Characteristics of Fine-Grained Composite Based on Sodium Hydroxide-Activated Slag Cured under High Relative Humidity12citations
  • 2020Multi-parameter fracture mechanics: crack path in a mixed-mode specimen1citations
  • 2020Components of the Fracture Response of Alkali-Activated Slag Composites with Steel Microfibers8citations
  • 2018Fracture properties of concrete specimens made from alkali activated binders.4citations

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Korniejenko, Kinga
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Setlak, Kinga
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Nosal, Przemysław
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Kocáb, Dalibor
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Nykiel, Marek
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Łach, Michał
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Kucharczyková, Barbara
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Bazan, Patrycja
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Mierzwiński, Dariusz
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Lipowczan, Martin
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Bílek, Vlastimil
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Miarka, Petr
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Malíková, Lucie
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Keršner, Zbyněk
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Rozsypalová, Iva
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Daněk, Petr
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Kersner, Zbynek
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Rovnanikova, Pavla
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Vyhlídal, Michal
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Topolář, Libor
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Rovnaník, Pavel
2 / 8 shared
Mizerová, Cecílie
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Schmid, Pavel
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Klusák, Jan
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Bayer, Patrik
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Frantík, Petr
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Co-Authors (by relevance)

  • Korniejenko, Kinga
  • Setlak, Kinga
  • Nosal, Przemysław
  • Kocáb, Dalibor
  • Nykiel, Marek
  • Łach, Michał
  • Kucharczyková, Barbara
  • Bazan, Patrycja
  • Mierzwiński, Dariusz
  • Lipowczan, Martin
  • Bílek, Vlastimil
  • Miarka, Petr
  • Malíková, Lucie
  • Keršner, Zbyněk
  • Rozsypalová, Iva
  • Daněk, Petr
  • Kersner, Zbynek
  • Rovnanikova, Pavla
  • Vyhlídal, Michal
  • Topolář, Libor
  • Rovnaník, Pavel
  • Mizerová, Cecílie
  • Schmid, Pavel
  • Klusák, Jan
  • Bayer, Patrik
  • Frantík, Petr
OrganizationsLocationPeople

article

Components of the Fracture Response of Alkali-Activated Slag Composites with Steel Microfibers

  • Keršner, Zbyněk
  • Frantík, Petr
  • Rovnaník, Pavel
  • Schmid, Pavel
  • Šimonová, Hana
Abstract

Knowledge of the mechanical and primarily fracture parameters of composites with a brittle matrix is essential for the quantification of their resistance to crack initiation and growth, and also for the specification of material model parameters employed for the simulation of the quasi-brittle behavior of structures made from this type of composite. Therefore, the main target of this paper is to quantify the mechanical fracture parameters of alkali-activated slag composites with steel microfibers and the contribution of the matrix to their fracture response. The first alkali-activated slag composite was a reference version without fibers; the others incorporated steel microfibers amounting to 5, 10, 15 and 20% by weight of the slag. Prism specimens with an initial central edge notch were used to perform the three-point bending fracture tests. Load vs. displacement (deflection at midspan) and load vs. crack mouth opening displacement diagrams were recorded during the fracture tests. The obtained diagrams were employed as inputs for parameter identification, the aim of which was to transfer the fracture test response data to the desired material parameters. Values were also determined for fracture parameters using the effective crack model, work-of-fracture method and double-K fracture model. All investigated mechanical fracture parameters were improved by the addition of steel microfibers to the alkali-activated matrix. Based on the obtained results, the addition of 10 to 15% of microfibers by weight is optimal from the point of view of the enhancement of the fracture parameters of alkali-activated slag composite

Topics
  • impedance spectroscopy
  • simulation
  • crack
  • steel
  • composite