Results 251 to 260 of about 140,349 (294)

Biohybrid Tendons Enhance the Power‐to‐Weight Ratio and Modularity of Muscle‐Powered Robots

Advanced Science, EarlyView.
Biohybrid robots powered by skeletal muscle actuators are capable of dynamically adapting to environmental cues. This study takes inspiration from native muscle–tendon architecture by leveraging tough hydrogels as synthetic tendons for muscle actuators to enhance the power‐to‐weight ratio and modularity of biohybrid machines.
Nicolas Castro, Ronald Heisser, Maheera Bawa, Bastien Aymon, Sarah Wu, Annika Marschner, Sonika Kohli, Angel Bu, Laura Rosado, Martin Culpepper, Xuanhe Zhao, Ritu Raman   +11 more
wiley   +1 more source

Achieving High Strength and Low Yield Ratio via Direct Quenching and Aging in Cu-Precipitation-Strengthened Steel. [PDF]

Nanomaterials (Basel)
Wei X, Zhang Y, Wen Y, Yang C, Wang X, Niu J, Wang R.   +6 more
europepmc   +1 more source

Coaching beyond gender: a mixed-methods study of relational quality and mental toughness in adolescent female basketball players in Turkey. [PDF]

BMC Psychol
Karabulut N, Akinci Y.
europepmc   +1 more source

Robust yet deformable nanodomains for super-strong and ultra-tough reversibly cross-linked plastics. [PDF]

Natl Sci Rev
Tao C, Lu X, Li X, Sun J.
europepmc   +1 more source

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Impact Tough Robotics Challenge

2020 IEEE International Symposium on Safety, Security, and Rescue Robotics (SSRR), 2020
ImPACT Tough Robotics Challenge is a national project of Japan Cabinet Office that focuses on tough technologies of robotics to give solutions to disaster response, recovery and preparedness. Natural and man-made disasters are a serious problem for our society. Robotics is widely recognized as potentially effective countermeasure to solve this problem.
openaire   +1 more source

Impact Toughness of Balloon Films

1969
To increase the reliability and extend the capabilities of scientific ballooning, polyethylene balloon films were measured for impact toughness at +23 and -80 C, using equipment developed for measuring the energy absorbed by or upon diaphragm fracture.
Hauser Research And Engineering Company, National Center For Atmospheric Research, University Corporation For Atmospheric Research   +2 more
openaire   +1 more source

Impact Toughness of A Pipeline Steel

Canadian Metallurgical Quarterly, 1977
Abstract Impact fracture toughness of a pipeline steel was studied as a function of temperature and of the orientation of the crack with respect to the rolling direction. Toughness criteria, such as JId and KId, were determined. Precracked Charpy specimens were used in this investigation.
M. N. Bassim, S. Mikhail, D. R. Hay
openaire   +1 more source

Impact fracture toughness tests on polymers

Polymer Engineering & Science, 1990
AbstractA series of impact tests are described in which the plane strain fracture toughness, Kc1, of five different polymers is measured using a three point bend specimen at striker speeds up to 5m/s. At low speeds Kc1 is determined using the maximum load and a static analysis, but at speeds greater than 1 m/s the dynamic effects render the load signal
G. C. Adams, R. G. Bender, B. A. Crouch, J. G. Williams   +3 more
openaire   +1 more source

Increasing the impact toughness of rails

Metallurgist, 1988
It is known that the deoxidation of rail steel in the ladle with complex ferroalloys based on silicon and including calcium, magnesium, titanium, Or zirconium in a certain combination makes it possible to obtain railroad rails of group-I quality characterized by a high degree of reliability and long service life.
V. I. Syreishchikova, A. A. Deryabin, �. L. Kolosova, V. E. Semenkov, A. V. Pan, M. A. Stambul'chik, A. B. Dobuzhskaya   +6 more
openaire   +1 more source