Results 61 to 70 of about 11,340 (302)

Investigation on AC and DC Breakdown Mechanism of Surface-Ozone-Treated LDPE Films under Varied Thicknesses

, 2023
Electrical breakdown is an important physical phenomenon in power equipment and electronic devices. Recently, the mechanism of AC and DC breakdown has been preliminarily revealed as electrode–dielectric interface breakdown and bulk breakdown ...
Yuanwei Zhu, Jie Liu, Yongjie Nie, Xianping Zhao, Junxin Ke, Shengtao Li   +5 more
core   +1 more source

The Evolution of Aerosol Jet Printing, A Review: Enhancing Material Versatility and Improvements for Next‐Generation Applications

Advanced Materials Technologies, EarlyView.
Aerosol Jet Printing (AJP) has emerged as a versatile additive manufacturing technique for high‐resolution, conformal, and multi‐material printing. This review highlights advances in printable materials, substrate compatibility, post‐processing, characterization, and process innovations, while critically discussing current challenges and future ...
Chandrachur Chatterjee, Rocco Lupoi, Michael J. Gibbons   +2 more
wiley   +1 more source

Mitigation of electrical treeing at high temperature in nano‐SiO2 doped epoxy resin

High Voltage, 2023
In this work, electrical tree inception and ageing experiments were conducted to investigate the initiation, growth characteristics and structural characteristics of electrical trees of nano‐SiO2 doped epoxy resin at different temperatures.
Yuanyuan Li, Yang Yang, Shuangshuang Yan, Zhipeng Lei, Meiqing Guo   +4 more
doaj   +1 more source

Space charge and AC electric breakdown strength in polyethylene

, 2015
The effect of space charge on dielectric performances is generally neglected under high voltage alternate current (HVAC) electric fields, due to the limited charge amount accumulated.
Zhou, Churui, George Chen, Chen, G., Churui Zhou   +3 more
core   +1 more source

A Proof‐of‐Concept Assessment of a Novel Wearable Eyelid Muscle Device: A Pre‐Clinical Animal Cadaver Study for Eyelid Closure Restoration

Advanced Robotics Research, EarlyView.
This article introduces a soft wearable eyelid sling device incorporating a hydraulic soft artificial muscle (SAM) for achieving complete closure of an eyelid. The SAM is driven by a cam mechanism that provides a displacement profile closely matched with those of a healthy eyelid.
Patrick Pruscino, Phuoc Thien Phan, James Davies, Bibhu Sharma, Tianruo Guo, Chi Cong Nguyen, Nigel H. Lovell, Thanh Nho Do   +7 more
wiley   +1 more source

Trap Modulated Charge Carrier Transport in Polyethylene/Graphene Nanocomposites

Scientific Reports, 2017
The role of trap characteristics in modulating charge transport properties is attracting much attentions in electrical and electronic engineering, which has an important effect on the electrical properties of dielectrics.
Zhonglei Li, Boxue Du, Chenlei Han, Hang Xu   +3 more
doaj   +1 more source

Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion

Advanced Robotics Research, EarlyView.
A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza, Hiroshi Kaminaga, Philippe Fraisse, Gentiane Venture   +3 more
wiley   +1 more source

Polypropylene’s Crystallization Morphology During the Non-Isothermal Crystallization Process and Its Electrical Properties

IEEE Access
To understand the mechanism of the effect of the cooling rate of the non-isothermal crystallization process on the crystallization morphology of polypropylene (PP) insulation and the relationship between the crystallization morphology and DC breakdown ...
Wei Wang, Wanting Jiang, Lin Yan, Dongdong Yang, Fengjie Ma   +4 more
doaj   +1 more source

Unifying Composition and Process Design: A Heterogeneous Graph Neural Network for Discovering High‐Performance Cu Alloys

Advanced Science, EarlyView.
By overcoming the fixed‐path limitations of conventional machine learning, a heterogeneous graph neural network fundamentally reconstructs material data representation. Integrating variable processing sequences with intrinsic elemental features, this framework enables exploratory optimization across high‐dimensional spaces.
Jie Yin, Qian Lei, Wei Yan, Yue Li, Tong Xie, Shuang Zhou, Chong Wang, Bram Hoex, Qiang Long, Caoyang Jiang, Min Song, Zhou Li, Zhangwei Wang   +12 more
wiley   +1 more source

Effect of the cross-linking agent on the cross-linking degree and electrical properties of cross-linked polyethylene

Materials Research Express, 2023
To study the effect of a cross-linking agent on the cross-linking degree and electrical properties of cross-linked polyethylene, different mass fractions of cross-linked polyethylene and their electrical properties were investigated.
Liu Yujia, Long Yu, Wang Qingyui, Hao Chuncheng, Lei Qingquan, Guo Xiangjin   +5 more
doaj   +1 more source