Results 111 to 120 of about 69,126 (307)

Microscale Mapping of Fiber Strain and Damage in Composite Wrinkled Laminates Using Computed Tomography Assisted Wide‐Angle X‐Ray Scattering

open access: yesAdvanced Science, EarlyView.
This study combines full‐field tomography with diffraction mapping to quantify radial (ε002$\varepsilon _{002}$) and axial (ε100$\varepsilon _{100}$) lattice strain in wrinkled carbon‐fiber specimens for the first time. Radial microstrain gradients (−14.5 µεMPa$\varepsilon \mathrm{MPa}$−1) are found to signal damage‐prone zones ahead of failure, which ...
Hoang Minh Luong   +7 more
wiley   +1 more source

ANALYSIS OF CRACK PROPAGATION DURING FATIGUE TESTS IN INJECTION MOULDED NOTCHED SPECIMENS MADE OF SHORT GLASS FIBRE REINFORCED POLYAMIDE [PDF]

open access: yes, 2016
In this work, we present the results of fatigue tests on injection moulded, notched specimens made of short glass fibre reinforced polyamide 66, containing 50%w of fibres. Specimens have three different notch radii (2 mm, 1 mm and 0.5 mm).
BERNASCONI, ANDREA   +2 more
core  

A Microfiber‐Reinforced Janus Hydrogel E‐Skin With Recyclable Feature for Multimodal Sensing and Gender‐Specific Physiological Monitoring

open access: yesAdvanced Science, EarlyView.
Hydrogel‐based wearable electronics hold great promise for physiological monitoring in privacy‐sensitive regions. In this study, a polyurethane (PU) microfiber‐reinforced gelatin hydrogel e‐skin is developed, boasting multiple advantages such as ultra‐thinness, high toughness, and long‐term skin conformability.
Yarong Ding   +11 more
wiley   +1 more source

Experimental and Theoretical Study on the Fatigue Crack Propagation in Stud Shear Connectors. [PDF]

open access: yesMaterials (Basel), 2023
Kuang Y   +6 more
europepmc   +1 more source

Grain boundary oxidation and its effects on high temperature fatigue life [PDF]

open access: yes
Fatigue lives at elevated temperatures are often shortened by creep and/or oxidation. Creep causes grain boundary void nucleation and grain boundary cavitation.
Liu, H. W., Oshida, Yoshiki
core   +1 more source

Difracción de rayos X y difracción de neutrones en estudios de fatiga y fractura de materiales [PDF]

open access: yes, 2019
Conferencia invitada de Joseph F KelleherThe fatigue behaviour of polycrystalline metals is often studied through crack propagation analysis [1,2]. Nevertheless, understanding the mechanical processes that take place right at the crack tip [3,4] would ...
Kelleher, J F
core  

Monolithic 3D Printing of Origami‐Inspired Soft Robotics from Sustainable Bio‐Based Resin

open access: yesAdvanced Science, EarlyView.
This work develops a photocurable, bio‐based resin from soybean oil for the monolithic fabrication of sustainable soft robots via Digital Light Processing. An origami‐inspired, vacuum‐actuated soft gripper is designed and fabricated, enabling reliable operation despite the material's lower elongation.
Ramin Montazeri   +6 more
wiley   +1 more source

Multiple crack propagation in friction stir welded aluminium joints [PDF]

open access: yes, 2014
This paper is concerned with the simulation of crack propagation in friction stir welded butt joints, in order to assess the influence of process induced microstructural alterations and residual stresses on the fatigue behaviour of the assembly.
Carlone, P.   +3 more
core  

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