6 papers
Resolving room temperature microscale fracture and plasticity of iron oxides along the cascade of iron ore reduction via nanoindentation and microcantilever bending
Shreehard Sahu, James P. Best, Gerhard Dehm +1
Understanding the fundamental mechanical behaviour of iron oxide phases is essential for controlling attrition and fracture during iron ore reduction process, particularly in hydro…
Revealing the Atomic-Scale Structure of the Copper Sulfuric Acid Interface
Lalith Kumar Bhaskar, Sung-Gyu Kang, Oliver R. Waszkiewicz +7
Corrosion originates from atomistic reactions occurring at dynamic solid liquid interfaces however, direct experimental observation of these reactions has remained elusive due to t…
Defect dependent dynamic nanoindentation hardness of copper up to 25 000 s-1
Hendrik Holz, Lalith Kumar Bhaskar, Tobias Brink +4
Metals exhibit an upturn in strength at strain rates of approximately 1000 s-1 - 3000 s-1, governed by rapid dislocation multiplication, interactions and storage. This phenomenon i…
Triple Junctions as Dislocation-Like Defects: The Role of Grain Boundary Crystallography Revealed by Experiment and Atomistic Simulation
Tobias Brink, Saba Saood, Peter Schweizer +2
Grain boundary networks and their evolution are strongly influenced by triple junctions. The defect nature of these line defects significantly affects the properties of the network…
Filling a gap in materials mechanics: Nanoindentation at high constant strain rates upto
Lalith Kumar Bhaskar, Dipali Sonawane, Hendrik Holz +12
A central focus in high strain rate research is understanding the dynamic behavior of materials at strain rates where a strength upturn is observed. While strength upturns at strai…
Microscale deformation of intermetallic-Mg interface under shear loading
Anwesha Kanjilal, Shamsa Aliramaji, Deborah Neuà +4
While intermetallic (IM)-metal interfaces in metallic alloys are critical for tuning mechanical properties, they can also act as failure sites, underscoring the importance of deter…