Results 71 to 80 of about 459,415 (281)

Enhanced Oxidation and Thermal Shock Resistance of N‐type Mg2Si0.89(Sn0.1,Sb0.01) Thermoelectric Material via Cr0.9Si0.1 Coating

Advanced Engineering Materials, EarlyView.
Cr0.9Si0.1 protective coatings are developed to enhance the thermal‐shock and oxidation resistance of Mg2Si0.89(Sn0.1,Sb0.01) thermoelectric (TE) materials. The coating forms a dense and adherent barrier that suppresses oxygen diffusion and mitigates mechanical degradation during cyclic oxidation, demonstrating its potential to improve the long‐term ...
Mikdat Gurtaran, Zhenxue Zhang, Xiaoying Li, Hanshan Dong   +3 more
wiley   +1 more source

Development of a fully automated workstation for conducting routine SABRE hyperpolarization

Scientific Reports
SABRE is emerging as a fast, simple and low-cost hyperpolarization method because of its ability to regenerate enhanced NMR signals. Generally, SABRE hyperpolarization has been performed predominantly manually, leading to variations in reproducibility ...
Jing Yang, Ruodong Xin, Sören Lehmkuhl, Jan G. Korvink, Jürgen J. Brandner   +4 more
doaj   +1 more source

Microstructural Evolution and Mechanical Performance of Plasma‐Assisted Hybrid Friction Stir Welded Dissimilar Aluminum–Copper Joints

Advanced Engineering Materials, EarlyView.
Plasma‐assisted hybrid friction stir welding of dissimilar AlCu joints employs localized plasma preheating to balance heat input and enhance plastic flow. The optimized process reduces axial force by up to 35%, refines the microstructure, and achieves ≈96% joint efficiency.
Deepak Kumar Yaduwanshi, Pankaj Shrivastava, Ganesh Chouhan, Velaphi Msomi   +3 more
wiley   +1 more source

Portable dielectrophoresis for biology: ADEPT facilitates cell trapping, separation, and interactions

Microsystems & Nanoengineering
Dielectrophoresis is a powerful and well-established technique that allows label-free, non-invasive manipulation of cells and particles by leveraging their electrical properties.
Lourdes Albina Nirupa Julius, Dora Akgül, Gowri Krishnan, Fabian Falk, Jan Korvink, Vlad Badilita   +5 more
doaj   +1 more source

Analysis of fault detection and defect categorization in photovoltaic inverters for enhanced reliability and efficiency in large-scale solar energy systems

EPJ Photovoltaics
This study presents a systematic approach for examining the performance and vulnerability of large-scale, grid-connected PV systems in relation to inverter faults − particularly those linked to insulated-gate bipolar transistor (IGBT) component.
Malik Stephanie, Daßler David, Patel Dharm, Klute Carola, Klengel Robert, Dietrich Andreas, Kaufmann Kai, Hennig Carsten, Wehnert Danny, Ebert Matthias   +9 more
doaj   +1 more source

Rheocasting versus Die Casting: An Insight into the Low‐Cycle Fatigue Behavior of AlSi7Mg0.6

Advanced Engineering Materials, EarlyView.
The study compares rheocast lightweight components with high‐pressure die cast materials regarding microstructure and fatigue behavior. Rheocast process offers higher efficiency due to lower casting temperatures. Despite some microstructural differences, both processes show similar strengths (yield strength 125 MPa, tensile strength 240 MPa).
Julia Richter, Thomas Wegener, Andreas Schilling, Martin Fehlbier, Thomas Niendorf   +4 more
wiley   +1 more source

Implantable silicon neural probes with nanophotonic phased arrays for single-lobe beam steering

Communications Engineering
In brain activity mapping with optogenetics, patterned illumination is crucial for targeted neural stimulation. However, due to optical scattering in brain tissue, light-emitting implants are needed to bring patterned illumination to deep brain regions ...
Fu-Der Chen, Ankita Sharma, Tianyuan Xue, Youngho Jung, Alperen Govdeli, Jason C. C. Mak, Homeira Moradi Chameh, Mandana Movahed, Michael G. K. Brunk, Xianshu Luo, Hongyao Chua, Patrick Guo-Qiang Lo, Taufik A. Valiante, Wesley D. Sacher, Joyce K. S. Poon   +14 more
doaj   +1 more source

Nanostructuring of Titanium by Anodic Oxidation with Sulfuric and Hydrofluoric Acid

Current Directions in Biomedical Engineering, 2018
Within this work we demonstrate different Anodic Oxidation processes to achieve a broad variety of nanostructures on titanium and the titanium alloy Ti6Al4V for the use as medical implant surfaces.
Doll P. W., Wolf M., Weichert M., Ahrens R., Guber A. E., Spindler B.   +5 more
doaj   +1 more source

Can Ti‐Based MXenes Serve as Solid Lubricants for Brake Applications? A Tribological Study

Advanced Engineering Materials, EarlyView.
This study explores the first implementation of Ti‐based MXenes materials in brake pad friction composite material. The resulting composite material exhibits a 48% reduction in the wear rate; alongside significant improvements are observed for thermal and mechanical properties.
Eslam Mahmoud, Jakob Gruber, Hakan Göçerler, Pierluigi Bilotto, Christian Gierl‐Mayer, Elham Loni, Michael Naguib, Carsten Gachot   +7 more
wiley   +1 more source

Frequency multiplexing enables parallel multi-sample EPR

Scientific Reports
Electron paramagnetic resonance (EPR) spectroscopy stands out as a powerful analytical technique with extensive applications in the fields of biology, chemistry, physics, and material sciences.
Chun Him Lee, Jan G. Korvink, Mazin Jouda   +2 more
doaj   +1 more source