Rock Physics, Experimental Rheology, Ductile Behaviour of Crustal Rocks, Fracture Mechanics, Stress Field of the Continental Crust

• HT-rheology, ductile failure, and texture evolution of feldspar:
  • High-strain creep of feldspar rocks: Implications for cavitation and ductile failure in the lower crust
  • Preferred orientation of anorthite deformed experimentally in Newtonian creep
  • Influence of water fugacity and activation volume on the flow properties of fine-grained anorthite aggregates
  • Deformation mechanism maps for feldspar rocks
• HT-rheology, ductile failure, and texture evolution of pyroxene
• LT-rheology and fabric evolution of calcite and quart:
  • Basal slip and texture development in calcite: new results from torsion experiments
  • High-temperature creep of synthetic calcite aggregates: influence of Mn-content
  • Dauphiné twinning and texture memory in polycrystalline quartz. Part 1: Experimental deformation of novaculite
• HT-rheology and texture evolution of hematite
  • Glide systems of hematite single crystals in deformation experiments
  • Texture, microstructure, and strength of hematite ores experimentally deformed in the temperature range 600–1100 °C and at strain rates between 10^-4 and 10^-6 s^-1
• HT-rheology, ductile failure, and texture evolution of 2-phase aggregate:
  • Creep and strain-dependent microstructures of synthetic anorthite-diopside aggregates
  • Mechanical and microstructural characterization of calcium aluminosilicate (CAS) and SiO2/CAS composites deformed at high temperature and high pressure
  • Strain softening and microstructural evolution of anorthite aggregates and quartz–anorthite layered composites deformed in torsion
  • Rheology of calcite-quartz aggregates deformed to large strain in torsion
• HT-rheology and texture evolution of metal alloys and ceramics:
  • High strain torsion of a TiAl-based alloy
  • Grain refinement and texture formation in torsion deformed NiAl
  • Torsional creep of polycrystalline NiAl
  • Torsion texture measurements with high-energy synchrotron radiation on NiAl
• Reaction kinetics under deviatoric stress in the system MgO-SiO₂-Al₂O3 and CaCO₃-MgCO₃:
  • Reaction rim growth in the system MgO-Al2O3-SiO2 under uniaxial stress
  • Enhancement of solid-state reaction rates by non-hydrostatic stress effects on polycrystalline diffusion kinetics
• LT-mechanical behavior, borehole breakout formation, and hydraulic fracturing of sandstones and shales:
  • Borehole breakout evolution through acoustic emission location analysis
  • Hydraulic fracturing stimulation techniques and formation damage mechanisms—Implications from laboratory testing of tight sandstone–proppant systems
• LT-rheology and microstructures of natural fault rocks:
  • Amorphous material in SAFOD core samples (San Andreas Fault): Evidence for crush-origin pseudotachylytes?
  • Nanoscale porosity in SAFOD core samples (San Andreas Fault)

• 1986 Diplom Geophysics, Ruhr-University Bochum, Germany
• 1991 Promotion Geophysik, Dr. rer. nat., Ruhr-University Bochum

• 1986 - 1991 Scientific Coworker, Ruhr-University Bochum,  Projects within DFG-SFB ‚Mineral content, structure, and evolution of the continental lower crust ‘
• 1991 - 1995 Postdoctoral Research Assistant, Ruhr-University Bochum, Projects within DFG-FG ‚High-pressure metamorphism in nature and experiment ‘
• 1996 - recent Senior Scientist, GeoForschungsZentrum Potsdam, Section 3.2: Deformation and Rheology

• Rybacki E, Renner J, Konrad K, Harbott W, Rummel F, Stöckhert B (1998) A servohydraulically-controlled deformation apparatus for rock deformation under conditions of ultra-high pressure metamorphism. Pure and Applied Geophysics 153, #3, 579-606
• Rybacki E, Dresen G (2000) Dislocation and diffusion creep of synthetic anorthite aggregates. Journal of Geophysical Research 105, #B11, 26017-26036
• Rybacki R, Konrad K, Renner J, Wachmann M, Stöckhert B, Rummel F (2003) Experimental deformation of synthetic aragonite marble. Journal of Geophysical Research 108, #B3, doi:10.1029/2001JB000694
• Rybacki E, Dresen G (2004) Deformation mechanism maps for feldspar rocks. Tectonophysics 382, 3-4, 173-187
• Rybacki E, Wirth R, Dresen G (2008) High-strain creep of feldspar rocks: Implications for cavitation and ductile failure in the lower crust. Geophysical Research Letters 35, #4, doi:10.1029/2007GL032478