Results 71 to 80 of about 129,728 (312)

Broadband, Flexible, Skin‐Compatible Carbon Dots/Graphene Photodetectors for Wearable Applications

open access: yesAdvanced Functional Materials, EarlyView.
Broadband, flexible photodetectors integrating nitrogen‐rich carbon dots with single‐layer graphene on plastic substrates are demonstrated. A biocompatible chitosan–glycerol electrolyte enables efficient low‐voltage gating and on‐skin operation. The devices exhibit ultraviolet‐to‐near‐infrared response, mechanical robustness under bending, and verified
Nouha Loudhaief   +20 more
wiley   +1 more source

MAGTWIST: A Magnetically‐Driven Rotary Actuator Using a Traveling‐Wave With Integrated Stiffness Tunability

open access: yesAdvanced Functional Materials, EarlyView.
MAGTWIST: A compact magnetic rotary actuator, enabling smooth, stepless rotation, and on‐demand locking. Inspired by peristalsis, a soft polymer belt generates a traveling‐wave, enabling 270° rotation when heated. Cooling stiffens the belt, locking it in position and enabling it to withstand high loads.
Simon Frieler   +3 more
wiley   +1 more source

Experimental investigation of span length for flexural test of fiber reinforced polymer composite laminates

open access: yesJournal of Materials Research and Technology, 2018
Testing and evaluation of mechanical properties for FRP (Fiber Reinforced Polymer) composite parts play a significant role to qualify it for the end use.
Akhil Mehndiratta   +3 more
doaj   +1 more source

Novel Functional Materials via 3D Printing by Vat Photopolymerization

open access: yesAdvanced Functional Materials, EarlyView.
This Perspective systematically analyzes strategies for incorporating functionalities into 3D‐printed materials via Vat Photopolymerization (VP). It explores the spectrum of achievable functionalities in recently reported novel materials—such as conductive, energy‐storing, biodegradable, stimuli‐responsive, self‐healing, shape‐memory, biomaterials, and
Sergey S. Nechausov   +3 more
wiley   +1 more source

Calculation of measurement uncertainty for plastic (ABS) material in flexural testing [PDF]

open access: yesInternational Journal of Metrology and Quality Engineering, 2013
In order to determine mechanical properties of materials various kind of tests can be applied by means of using their tensile strength, lower yield stress, proof stress, impact strength, Brinell, Rockwell and surface hardness, elongation after fracture ...
Gunay A.   +3 more
doaj   +1 more source

Kebolehacuanan suntikan logam mikro SS 316L menggunakan bahan pengikat PEG dan PMMA Mohd [PDF]

open access: yes, 2012
Pengacuanan suntikan logam mikro atau lebih dikenali µMIM merupakan satu proses yang berkesinambungan daripada proses penyuntikan logam. Proses ini menggunakan serbuk logam bersaiz mikro dan mampu menghasilkan produk mikro yang kompleks pada ...
Ibrahim, Mohd Halim Irwan
core  

Development of polymer network of phenolic and epoxies resins mixed with linseed oil: pilot study [PDF]

open access: yes, 2010
Epoxy resin was mixed with phenolic resins in different percentages by weight. Composite 40/60 means the proportion by weight of epoxy resin is 40 percent. It was found that only composites 50/50 and 40/60 could be cured in ambient conditions. Dynamic
Cardona, F.   +3 more
core   +2 more sources

From Clinic to Computation: Multiscale Bioengineering Strategies for Durable Biological Aortic Valve Replacements

open access: yesAdvanced Functional Materials, EarlyView.
Bioprosthetic aortic valves have revolutionized the treatment of aortic stenosis, but their durability is limited by structural valve deterioration (SVD). This review focuses on the pericardial tissue at the heart of these valves, examining how its mechanical properties and calcification drive fatigue and failure.
Gabriele Greco   +7 more
wiley   +1 more source

Tissue Engineered Human Elastic Cartilage From Primary Auricular Chondrocytes for Ear Reconstruction

open access: yesAdvanced Functional Materials, EarlyView.
Despite over three decades of research, no tissue‐engineered solution for auricular reconstruction in microtia patients has reached clinical translation. The key challenge lies in generating functional elastic cartilage ex vivo. Here, we integrate synergistic cell‐biomaterial strategies to engineer auricular grafts with mechanical and histological ...
Philipp Fisch   +13 more
wiley   +1 more source

Experimental Comparison of Fastener Implementation Approaches in Fused Deposition Modeling

open access: yesApplied Sciences
This study aims to investigate common fastener implementation methods for parts manufactured with Fused Deposition Modeling (FDM). Although fastener applications for FDM manufactured parts are already in use, the effects of these methods on tensile and ...
Fahreddin Fatih Öngül   +2 more
doaj   +1 more source

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