Results 141 to 150 of about 430,766 (349)

Effects of extrusion on Young’s modulus and internal friction of magnesium alloys with various long period ordered structure content

open access: yesFrontier Materials & Technologies
The relevance of this work stems from the growing interest in magnesium alloys with long period ordered structure (LPSO) due to their unique mechanical properties.
Vladimir V. Kaminskii   +4 more
doaj   +1 more source

Slow Folding of a Helical Protein: Large Barriers, Strong Internal Friction, or a Shallow, Bumpy Landscape? [PDF]

open access: yesJ Phys Chem B, 2020
Subramanian S   +5 more
europepmc   +1 more source

Analysis of Full-Test tools and their limitations as applied to terminal junction blocks [PDF]

open access: yes
Discovery of unlocked contacts in Deutsch Block terminal junctions in Solid Rocket Booster flight hardware prompted an investigation into pull test techniques to help insure against possible failures. Internal frictional forces between socket and pin and
Smith, J. L.
core   +1 more source

Science‐Towards‐Technology Breakthrough in CO2 Electroreduction: Multiphysics, Multiscale, and Artificial Intelligence Insights

open access: yesAdvanced Materials, EarlyView.
Electrochemical CO2RR is a key technology for converting CO2 into chemicals, but there remains a gap between “laboratory science” and “engineering practice” in current research. This review establishes a multi‐scale research framework, encompassing atomic‐level characterization, microenvironment regulation, external field‐assisted optimization, and AI ...
Ping Hong   +3 more
wiley   +1 more source

Soft Ionic and Electronic Triboelectric Nanogenerators: Toward Attachable and Implantable Biomedical Applications

open access: yesAdvanced Materials, EarlyView.
This review provides an overview of triboelectric nanogenerator (TENG)–based biomedical applications by classifying studies into electronic and ionic systems across attachable and implantable platforms. It summarizes key material choices, device structures, and working mechanisms that characterize current TENG‐based research, and outlines six future ...
Kyongtae Choi   +12 more
wiley   +1 more source

Observation of a Correlation Between Internal friction and Urbach Energy in Amorphous Oxides Thin Films. [PDF]

open access: yesSci Rep, 2020
Amato A   +7 more
europepmc   +1 more source

Cost-effective use of liquid nitrogen in cryogenic wind tunnels, phase 2 [PDF]

open access: yes
Cryogenic seal tests were performed and Rulon A was selected for the subject nutating positive displacement expander. A four-chamber expander was designed and fabricated.
Leonard, Kenneth R.   +3 more
core   +1 more source

Liquid Metal Microrobots for Magnetically Guided Transvascular Navigation

open access: yesAdvanced Materials, EarlyView.
Liquid metal‐based microrobots combine magnetic steering, intrinsic X‐ray visibility and softness, to navigate blood vessels even against flow. Under clinically relevant magnetic fields, liquid metal microrobots roll along vessel walls, cross endothelial barriers, and accumulate in target tissues.
Xiaohui Ju   +7 more
wiley   +1 more source

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