J. Eckert
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View article: Optimization of the Flexible Mesh Support Processing Parameters in Downward Approach Mining Drift by Numerical Simulation
Optimization of the Flexible Mesh Support Processing Parameters in Downward Approach Mining Drift by Numerical Simulation Open
The support methods in downward approach mining drift have always suffered from problems of inflexible operation, with high substantial costs and poor supporting efficiency under high ground stress and repeated engineering disturbances. In…
View article: Revealing Nanoscale Solute‐Rich Clusters in Bulk Metallic Glasses by Atom Probe Tomography
Revealing Nanoscale Solute‐Rich Clusters in Bulk Metallic Glasses by Atom Probe Tomography Open
Bulk metallic glasses (BMGs) exhibit excellent mechanical properties due to their lack of long‐range atomic ordering. However, understanding their structure‐property relationships remains an unresolved challenge since traditional character…
View article: Laser directed energy deposition of heteroarchitected Ti6Al4V composites: In-situ TiB/TiC network engineering for multi-mechanistic strength-ductility synergy
Laser directed energy deposition of heteroarchitected Ti6Al4V composites: In-situ TiB/TiC network engineering for multi-mechanistic strength-ductility synergy Open
Achieving an optimal balance between strength and ductility in titanium matrix composites (TMCs) remains a critical challenge. This study presents a novel approach to fabricate heterostructure (TiB + TiC)/Ti6Al4V composites via laser-direc…
View article: Achieving Complex Nanostructures: The Role of Hydrogen in Controlling Mechanical Alloying and Microstructure Evolution in the TiVZrNbHf‐Cu System
Achieving Complex Nanostructures: The Role of Hydrogen in Controlling Mechanical Alloying and Microstructure Evolution in the TiVZrNbHf‐Cu System Open
Hydrogen is key in reducing greenhouse gas emissions in materials production. At the same time, it significantly affects mechanical properties, often causing unwanted embrittlement. However, rather than solely addressing these disadvantage…
View article: Identification of strain localization and fracture behavior of additive manufactured metallic lattices using digital image correlation: Effects of strain direction
Identification of strain localization and fracture behavior of additive manufactured metallic lattices using digital image correlation: Effects of strain direction Open
The digital image correlation (DIC) technique has been applied to identifying the fracture mechanisms of additive manufactured metallic lattices. However, the strain distribution obtained by DIC is generally analyzed along the loading dire…
View article: Cooling rate control combined with refractory Mo and/or V addition to enhance the mechanical properties of CoCrFeMnNi alloy
Cooling rate control combined with refractory Mo and/or V addition to enhance the mechanical properties of CoCrFeMnNi alloy Open
This work shows that optimum combination of cooling rate control and refractory Mo and/or V element addition to the CoCrFeMnNi (Cantor) HEA enables to develop novel high-strength hierarchical microstructures consisting of FCC, σ phase and …
View article: 3D multi-site hydrogen evolution reaction catalysts on nanoimprinted surfaces, structured via multi-photon lithography derived masks
3D multi-site hydrogen evolution reaction catalysts on nanoimprinted surfaces, structured via multi-photon lithography derived masks Open
Efficient water splitting is a major challenge in green hydrogen production and energy transition. Thus, considerable scientific efforts are devoted to optimize surface geometries for enhancing the performance of water-splitting catalysts.…
View article: Enhanced Control of Single Crystalline Ag Dendritic Growth on Al Foil via Galvanic Displacement and Simultaneous Oxidation of D‐Glucose
Enhanced Control of Single Crystalline Ag Dendritic Growth on Al Foil via Galvanic Displacement and Simultaneous Oxidation of D‐Glucose Open
A facile synthesis platform for the formation of stable single crystalline Ag dendrites is demonstrated. Using a porous electrospun polyacrylonitrile nanofiber network on Al foil as a template facilitates more uniform dendritic growth in t…
View article: Enhanced hydrogen evolution via nano-patterned Pt-based metallic glass and dynamic copper oxide foam formation
Enhanced hydrogen evolution via nano-patterned Pt-based metallic glass and dynamic copper oxide foam formation Open
Hydrogen is a promising energy carrier for replacing fossil fuels, and hydrogen production via hydrogen evolution reaction (HER) is an environmentally friendly option if electrocatalysts with low overpotentials and long-term stability are …
View article: Effect of heat treatment on the microstructure, mechanical properties and tribological behavior of Ti–45Nb alloy fabricated by laser powder bed fusion
Effect of heat treatment on the microstructure, mechanical properties and tribological behavior of Ti–45Nb alloy fabricated by laser powder bed fusion Open
To avoid stress-shielding effects between biomedical implants and human bones, low modulus heat-treated Ti–45Nb specimens fabricated by laser powder bed fusion (LPBF) after annealing heat treatment were studied in this study. The microstru…
View article: Effect of Laser Power on Microstructure and Properties of WC-12Co Composite Coatings Deposited by Laser-Based Directed Energy Deposition
Effect of Laser Power on Microstructure and Properties of WC-12Co Composite Coatings Deposited by Laser-Based Directed Energy Deposition Open
During the laser-based directed energy deposition (DED-LB) processing, a WC-12Co composite coating with high hardness and strong wear resistance was successfully prepared on a 316L stainless steel substrate by adopting a high-precision coa…
View article: The Microstructure and Properties of Ni60/60% WC Wear-Resistant Coatings Prepared by Laser-Directed Energy Deposition
The Microstructure and Properties of Ni60/60% WC Wear-Resistant Coatings Prepared by Laser-Directed Energy Deposition Open
Ni60/60% WC composite coatings with a good surface roughness and high mechanical properties were successfully prepared on 316L stainless steel substrate by laser-directed energy deposition (LDED) technology. The effects of laser power on t…