Results 111 to 120 of about 11,349 (316)

3D Printing Innovations in Polymeric Porous and Patterned Architecture

open access: yesAdvanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil   +13 more
wiley   +1 more source

Analysis and prediction of fatigue crack growth performance for fiber reinforced aluminum-lithium alloy laminates under single-peak compressive overload

open access: yesJournal of Aeronautical Materials
As a new type of aviation material,fiber/aluminum-lithium(Al-Li)laminates are significantly threatened by fatigue cracks. In other words,fatigue cracks are the “fatal killers”,which leads to their failure.
HUANG Xiao   +4 more
doaj   +1 more source

Surface fatigue crack propagation behavior in a residual stress field. Fatigue crack growth law and evaluation of fatigue crack propagation rate.

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A, 1988
The fatigue life of plain carbon steel with residual stress was studied with special reference to the initiation and the propagation of surface fatigue cracks. Tensile residual stresses have no significant influence on crack initiation lives, but increased the fatigue crack propagation rate for surface fatigue cracks.
TORII, Tashiyuki   +2 more
openaire   +3 more sources

Correlation of crack growth rate and stress ratio for fatigue damage containing very high cycle fatigue regime

open access: yes, 2012
A model is proposed to correlate the crack growth rate and stress ratio containing very high cycle fatigue regime. The model is verified by the experimental data in literature.
孙成奇, 洪友士
core   +1 more source

Low cycle fatigue life improvement of AISI 304 by initial and intermittent wire brush hammering [PDF]

open access: yes, 2013
The effects of hammering by wire brush as a method of improving low cycle fatigue life of highly ductile austenitic stainless steel AISI 304 have been investigated through an experimental study combining imposed strain fatigue tests and assessment of ...
KHLIFI, Ammar   +4 more
core   +1 more source

Multimodal Perception and Machine Learning‐Empowered Human Machine Interfaces With Double‐Network Hydrogel Fibers

open access: yesAdvanced Functional Materials, EarlyView.
This work develops polyacrylamide‐alginate (PAM‐Alg) double‐network hydrogel fibers for multimodal perception and intelligent human‐machine interfaces. The covalent‐ionic network provides high strength, toughness, and stable conductivity. Easily woven into wearables and integrated with soft robots, the fibers enable object and temperature recognitions ...
Yujue Yang   +10 more
wiley   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

open access: yesAdvanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang   +7 more
wiley   +1 more source

The effects of surface defects on the fatigue of water and oil lubricated contacts [PDF]

open access: yes, 2000
A study into effects of surface defects on the rolling contact fatigue of brass and rail steel has been undertaken on a twin-disc rolling-sliding test machine with both oil and water lubrication.
Gao, N., Dwyer-Joyce, R. S.
core   +1 more source

3D‐Printed Piezoionic/Bioelectronic Hydrogel for Electro‐Metabolic Regulation of Osteogenic Differentiation

open access: yesAdvanced Healthcare Materials, EarlyView.
A 3D‐printed piezoionic GPMx hydrogel enables stable electromechanical signal generation under mechanical loading, exhibiting long‐term durability and low fatigue. As a bioactive patch, it restores endogenous bioelectricity to stimulate osteogenesis via Ca2+ influx and mitochondrial activation, while simultaneously enabling label‐free alkaline ...
Sayan Deb Dutta   +3 more
wiley   +1 more source

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