Results 241 to 250 of about 16,474,783 (283)
Advanced Robotics Research, EarlyView.This review identifies key design considerations for insect‐inspired microrobots capable of multimodal locomotion. To draw inspiration, biological and robotic strategies for moving in air, on water surfaces, and underwater are examined, along with approaches for crossing the air–water interface.
Mija Jovchevska +2 more
wiley +1 more source
Advanced Robotics Research, EarlyView.Edible robotics is an emerging field that leverages edible materials to construct robotic systems. This study presents a method to create thin, lightweight, yet powerful edible soft actuators, namely edible pouch motors. The successful operation of these edible actuators and grippers renders their potential to advance future developments in edible ...
Keigo Takahashi +3 more
wiley +1 more source
Asymmetry in Skipping Enhances Viability Against Control Input Noise
Advanced Robotics Research, EarlyView.Quadruped animals use asymmetric galloping gaits at high speeds, yet the functional role of this asymmetry remains unclear. This study shows that left–right asymmetry in touchdown angles enhances robustness to control noise. Using a simple two‐legged locomotion model and viability theory, it demonstrates that asymmetric skipping substantially enlarges ...
Yuichi Ambe, Alvin So, Shinya Aoi
wiley +1 more source
Continuous high-pressure torsion using wires
Continuous high-pressure torsion using wiresopenaire +1 more source
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On the homogeneity of deformation by high pressure torsion
Scripta Materialia, 2004Abstract Microstructures and microhardness have been carefully characterized for an austenitic steel deformed by High Pressure Torsion up to 16 total revolutions. A nearly idealized torsion deformation is observed even at large number of revolution.
Reinhard Pippan
exaly +2 more sources
Structure of Cu deformed by high pressure torsion
Acta Materialia, 2005Pure copper is deformed by high pressure torsion and the resulting microstructure is studied. Small structural elements are formed. Their size decreases with increasing strain and reach a steady-state. The misorientation between neighbouring structural elements increases with strain and finally reaches a nearly random distribution.
Reinhard Pippan, H P Stüwe, A Vorhauer
exaly +2 more sources
High-pressure torsion using ring specimens
Scripta Materialia, 2008A facility is developed for high-pressure torsion (HPT) using ring samples and the results are compared with those of conventional disk HPT samples. With pure Al (99.99%), both types of HPT are consistent. When hardness values are plotted against equivalent strain, they fall on a single line having a maximum at a strain of ∼2 followed by a steady-state
Zenji Horita
exaly +2 more sources
The evolution of homogeneity in processing by high-pressure torsion
Acta Materialia, 2007Disks of high-purity aluminum were processed by high-pressure torsion (HPT) at room temperature under different conditions of imposed pressure and numbers of turns. Measurements were taken of the microhardness values both along diameters in each disk and following a rectilinear grid pattern to give color-coded maps of the hardness distributions.
Cheng Xu +2 more
exaly +3 more sources
Modeling the temperature rise in high-pressure torsion
Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2014Experiments and finite element modeling were used to estimate the temperature rise during high-pressure torsion. The results show the temperature rise is dependent upon the material strength, the rotation rate, the sample radius, the heat capacity and the volume of the anvils.
Yi Huang +2 more
exaly +3 more sources