Results 51 to 60 of about 5,471 (254)

Tough, Ductile, and Strong Hard‐Soft Cementitious Composite Enabled by Multi‐Material Additive Manufacturing

Advanced Materials, EarlyView.
Drawing inspiration from the layered hard‐soft architecture found in sea sponges, this work establishes a new framework for architected cementitious composites (ACC) through multi‐material additive manufacturing (MMAM) process. The integration of mortar and elastomer phases into layered architectures enables synergistic toughening mechanisms, including
Aimane Najmeddine, Shashank Gupta, William Makinen, Zayvinn Lin, Krystal Delnoce, Reza Moini   +5 more
wiley   +1 more source

The Temperature and Voltage Resistance Performance of Phenyl‐Modified Silicone Elastomers for High‐Voltage and High‐Power Semiconductor Device Encapsulation

High Voltage
Silicon carbide (SiC) high‐voltage, high‐power semiconductor devices are essential for next‐generation power systems, yet conventional silicone elastomer encapsulation materials suffer from insulation degradation under extreme thermal and electrical ...
Dongxin He, Haochen Wang, Yuchao Li, Yue Wang, Qingfa Li, Qingquan Li   +5 more
doaj   +1 more source

An In Vitro Study to Examine the Comparative Accuracy and Stability of Elastomeric Impression Materials under Different Levels of Hydration [PDF]

Dental Journal of Advance Studies
Introduction: For cast restorations, elastic impression materials are used for making negative replica of teeth and associated structures. A positive replica is then formed in the shape of a cast, which should be an exact form of the prepared tooth.
Manpreet Kaur, Tarun Kalra, Manjit Kumar, Ajay Bansal, Abhishek Avasthi, Sahil Thakur   +5 more
doaj   +1 more source

Increased electromechanical sensitivity of polysiloxane elastomers by chemical modification with thioacetic groups

Materials & Design, 2020
Chemically cross-linked polydimethylsiloxane (PDMS) elastomers have gained importance as a dielectric in elastic capacitor actuators, which elongate when electrically charged. Common PDMS elastomers have a dielectric permittivity of only about 3 and thus
Elena Perju, Yee Song Ko, Simon J. Dünki, Dorina M. Opris   +3 more
doaj   +1 more source

Topology and Material Optimization in Ultra‐Soft Magneto‐Active Structures: Making Advantage of Residual Anisotropies

Advanced Materials, EarlyView.
Residual magnetization induces pronounced mechanical anisotropy in ultra‐soft magnetorheological elastomers, shaping deformation and actuation even without external magnetic fields. This study introduces a computational‐experimental framework integrating magneto‐mechanical coupling into topology optimization for designing soft magnetic actuators with ...
Carlos Perez‐Garcia, Rogelio Ortigosa, Jesús Martínez‐Frutos, Daniel Garcia‐Gonzalez   +3 more
wiley   +1 more source

Ambient Light‐Activatable Luminescent Particle‐Embedded Conformal Patch for Photochemical Tissue Bonding and Photobiomodulated Healing

Advanced Materials, EarlyView.
We report a wearable photonic patch integrating room light‐ and sunlight‐activatable luminescent particles (RSLPs) for both photochemical tissue bonding and photobiomodulation. RSLPs harvest ambient light and emit red luminescence to drive chlorin e6–mediated collagen crosslinking.
Kyungjoo Jo, Seong‐Jong Kim, Seung Oh Jung, Kyeongtaek Lee, Mungu Kim, Kwanghyeon Park, Yewon Seo, Boram Park, Dongchul Jo, Jongshin Kim, Jin Huh, Hyemin Kim, Sei Kwang Hahn   +12 more
wiley   +1 more source

Meniscus‐Guided Interfacial Ring‐by‐Ring Assembly for In Situ Fabrication of Tubular Hydrogels

Advanced Materials, EarlyView.
A tubular hydrogel fabrication method leveraging the meniscus effect at the oil‐water interface is presented. UV irradiation across the concave surface of the photocurable hydrogel precursor induces the formation of ring‐like hydrogel structures. Sequential ring‐by‐ring assembly within microchannels enables the construction of arteriole‐scale hydrogel ...
Yuki Kamiya, Yingzhe Wang, Keisuke Morishima   +2 more
wiley   +1 more source

Composite magnetorheological elastomers as dielectrics for plane capacitors: Effects of magnetic field intensity

Results in Physics, 2016
The fabrication of composite magnetorheological elastomers (MRECs) based on silicone rubber, carbonyl iron microparticles (10% vol.) and polyurethane elastomer doped with 0%, 10% and 20% volume concentration TiO2 microparticles is presented. The obtained
Maria Balasoiu, Ioan Bica
doaj   +1 more source

3D printing of very soft elastomer and sacrificial carbohydrate glass/elastomer structures for robotic applications

Materials & Design, 2020
Recently, soft materials such as silicone elastomers are widely used in soft robotics due to their high flexibility and safe physical interaction with humans. Focusing on three aspects—highly elastic materials, sacrificial materials, and actuation units,
Armita Hamidi, Yonas Tadesse
doaj   +1 more source

Can Elastomers Combine Stiffness, Toughness and Fatigue Resistance?

Advanced Materials, EarlyView.
This review studies how the molecular and macroscopic architecture of elastomers influence their mechanical properties including: stiffness, stretchability, toughness, fatigue resistance, and damping behavior. By linking the structure to performance, it proposes design principles for advanced elastomeric systems that combine mechanical properties ...
Eva Baur, Esther Amstad
wiley   +1 more source