Results 81 to 90 of about 26,639 (292)

Enhanced Ultrasound Transmission Through Aberration Layers Using Space‐Coiling Acoustic Metamaterials

open access: yesAdvanced Engineering Materials, EarlyView.
Enhancing ultrasound transmission through an aberration layer exhibiting mismatched impedance with the surrounding medium possesses great implications in imaging and treatment. In this study, we show that a space‐coiling acoustic metamaterial with judiciously tailored structural profile can help improve impedance matching.
Maral Ghanami   +4 more
wiley   +1 more source

Packing 360∘ domain walls of identical circulation on planar ferromagnetic nanowires with notches using circular magnetic fields

open access: yesAIP Advances, 2016
360∘ domain walls (DWs) have generated substantial interest with the recognition that their minimal stray field creates only short range interactions, leading to a potentially higher packing density for data storage devices compared to 180∘ DWs.
F. I. Kaya   +4 more
doaj   +1 more source

The Influence of Notches Under Static Stress [PDF]

open access: yes, 1938
From the described experiments it is seen that notches are a potential source of strength decrease even under static stress, which the designer must take into consideration.
Matthaes, K
core  

Distribution and constructed morphology of artificial foredune notches [PDF]

open access: yes
Foredune notches are a contemporary management intervention on coastal sand dunes, which aim to create and enhance bare sand and transitional habitats and/or increase resilience to climate change.
Smyth, Thomas   +3 more
core   +1 more source

Design of a Multistable Finger Prosthesis with Programmable Metamaterials

open access: yesAdvanced Engineering Materials, EarlyView.
This research article shows the development of a multistable programmble metamaterial for the use as a finger prosthesis. The material was designed on different hierarchical levels where the influence of geometrical parameters and combination of mechanical elements was explored.
Franziska Wenz   +5 more
wiley   +1 more source

Static experiment on rapid crack bifurcation with Y-shaped and parallel notches

open access: yesMechanical Engineering Journal, 2016
Static experiments related to rapid crack bifurcation are conducted with PMMA plate specimens with Y-shaped notches. The bifurcation angle of the Y-shaped notch is changed from zero to 45 degrees.
Shinichi SUZUKI   +3 more
doaj   +1 more source

Fatigue Behavior of Steels with Multiple Notches : Report 1 The Effect of Interaction between Notches on the Rotary Bending Fatigue Properties [PDF]

open access: yes, 1988
When many stress concentrated parts exist closely, a different fatigue behavior pattern is revealed due to their interaction than that shown by a single part.
皮籠石, 紀雄   +5 more
core   +1 more source

A Novel Approach to Estimate the Transition Temperature via Dynamic Nanoindentation

open access: yesAdvanced Engineering Materials, EarlyView.
A new dynamic nanoindentation‐based method was developed that uses the stiffness ratio as an indicator of the elastic–plastic deformation contributions at different temperatures. The approach successfully identified transition temperatures in ferritic steel and distinguished them from continuously ductile austenitic steel.
Stefan Zeiler   +4 more
wiley   +1 more source

Transverse Bending of a Strip with 60°V-Shaped or Partially-Circular Notches [PDF]

open access: yes, 1988
This paper deals with stress concentration analyses of a 60'V-shaped single edge notch, 60'V-shaped double edge notches or partially-circular double edge notches in an infinite strip under transverse bending.
40172796   +12 more
core   +2 more sources

Wearable Smart Patches on Sustainable Chitosan With Reversible Microbial Growth‐Inhibitory Properties

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Chitosan, a polysaccharide upcycled from biowaste, has long promised sustainable, biocompatible, and antimicrobial films and devices, an appeal reinforced by its recent regulatory recognition, with several chitosan‐based antibacterial dressings gaining clearance through the Food and Drug Administration's 510(k) pathway.
Jacopo Nicoletti   +16 more
wiley   +1 more source

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