Results 121 to 130 of about 2,081 (277)

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

Advanced 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, James Trevarthen, Igor Dolbnya, Wadwan Singhapong, Nicholas Pilato, Richard Butler, Jiraphant Srisuriyachot, Alexander J. G. Lunt   +7 more
wiley   +1 more source

Stress‐to‐Light Conversion in an Earth‐Abundant Oxide Semiconductor

Advanced Science, EarlyView.
Stress‐to‐light conversion in solids represents a unique photonic functionality, yet it has never been realized in a chemically simple and sustainable material. Here, we show that sustainable semiconductor ZnO exhibits strong near‐infrared (NIR) luminescence under elastic stress when defect‐engineered to stabilize the p‐type state.
Tomoki Uchiyama, Koki Otonari, Reona Omori, Guangfa Yang, Eiji Nishibori, Ying Chen, Xu‐Guang Zheng, Chao‐Nan Xu   +7 more
wiley   +1 more source

Pulsed electric current, in situ synthesis and sintering of textured TiB₂ ceramics

, 2010
Textured TiB₂ monolithic ceramics were prepared in a one step in situ synthesis and densification process during pulsed electric current sintering (PECS) using TiH₂ and amorphous B as raw materials. The Lotgering orientation factors of the (00l) and (hk0)
Vleugels, Jef, Zhang, Li, Ran, Songlin, Van der Biest, Omer   +3 more
core   +1 more source

Flexoelectricity in Photoconversion: Fundamentals, Materials, and Outlooks

Advanced Science, EarlyView.
Mechanical bending of a flexible cantilever induces a strain gradient in the photoactive material. The resulting flexoelectric field couples with photovoltaic and photoconductive effects, modulating charge generation, separation, and collection. A comparative analysis of oxide perovskites, halide perovskites, and two‐dimensional materials is presented,
Xiang Huang, Feng Li, Rongkun Zheng
wiley   +1 more source

Textured (K,Na)NbO3 ceramics with enhanced piezoelectric properties: High kp, d33, and Curie temperature

Journal of Advanced Ceramics
Lead-free (K,Na)NbO3 (KNN) ceramics are eco-friendly and have a high Curie temperature. In this work, high-performance KNN ceramics were synthesized through the texturing method while simplifying the components.
Ya Yang, Qilong Zhang, Fang Zhang, Qi Sun, Yuanyu Wang   +4 more
doaj   +1 more source

Mixing‐Driven Defects and Composition Evolution in Multi‐Material Metal Additive Manufacturing

Advanced Science, EarlyView.
Operando synchrotron X‐ray imaging coupled with high‐fidelity multiphysics modeling uncovers how inter‐material mixing reshapes keyhole dynamics and drives distinct pore‐formation pathways in multi‐material laser powder bed fusion (LPBF). Composition‐dependent instabilities trigger defects, whereas rescanning suppresses porosity and homogenizes Cu ...
Zhilang Zhang, Steve Gaudez, Mario Togni, Steven Van Petegem, Markus Bambach, Mamzi Afrasiabi   +5 more
wiley   +1 more source

Ultra-low strain hysteresis in BaTiO3-based piezoelectric multilayer actuators via microstructural texture engineering

Journal of Materiomics
Piezoelectric multilayer actuators (MLAs) possess unique advantages of lower driving voltages and more compact structures than bulk ceramic actuators. However, the internal electrode layers in MLAs inevitably weaken the output and result in relatively ...
Yingchun Liu, Hongjun Zhang, Wenming Shi, Kai Li, Bin Yang, Wenwu Cao, Jiubin Tan   +6 more
doaj   +1 more source

Fatigue mechanism of textured Pb(Mg1/3Nb2/3)O3-PbTiO3 ceramics

, 2013
Grain orientation, BaTiO3 heterogeneous template content, and electrode materials are expected to play an important role in controlling the polarization fatigue behavior of textured Pb(Mg1/3Nb2/3)O-3-PbTiO3 ceramics. A comparative analysis with randomly
Yongke Yan, Priya, Shashank, Yan, Y. K., Gupta, Sanjay, Yuan Zhou, Shashank Priya, Shashaank Gupta, Zhou, Y.   +7 more
core   +1 more source

Neuromorphic Near‐Sensor and In‐Sensor Computing Enabled by Next‐Generation Material‐Based Sensors

Advanced Science, EarlyView.
This Review presents a structural framework that classifies neuromorphic sensing into near‐sensor and in‐sensor architectures, clarifying physical coupling between sensing and computation. The framework connects neural and synaptic device functions with recent advances in optical, mechanical, and chemical sensing, compares energy consumption and ...
Su Yeon Jung, Gwang Ya Kim, Sejin Kim, Hyunjong Seo, Se Gi Lee, Sang Min Won, Dongjoon Rhee, Joohoon Kang   +7 more
wiley   +1 more source

Design Guidelines for Anode Modifications to Eliminate Soft Short Circuits in Anode‐Free Na Batteries Under High Current Density With Large‐Capacity Plating, Demonstrated via Initiated Chemical Vapor Deposition (iCVD)

Angewandte Chemie, EarlyView.
This work establishes a laterally homogeneous organic–inorganic hybrid interphase for soft‐short‐free anode‐free sodium metal batteries under extended cycling at high current density and high plating capacity. In contrast to conventional strategies that evolve into laterally heterogeneous interphases and induce localized Na filament growth, the pDFHA ...
Yeongjun Oh, Yuxuan Zhang, Jinwook Baek, Minyoung Kim, Jeongmin Park, Myung Gyu Lee, Chung Soo Kim, Sunghwan Lee   +7 more
wiley   +2 more sources