Materials for electromagnetic interference shielding

DDL Chung - Materials Chemistry and Physics, 2020 - Elsevier
This is a non-exhaustive but comprehensive review of materials for electromagnetic
interference (EMI) shielding. It covers functional and multifunctional structural shielding …

First review of capacitance-based self-sensing in structural materials

DDL Chung - Sensors and Actuators A: Physical, 2023 - Elsevier
This is the first review of the emerging field of capacitance-based self-sensing in structural
materials. Capacitance-based self-sensing is rich in both science and applications. It is …

[HTML][HTML] Granting sensorial properties to metal parts through friction stir processing

PM Ferreira, MA Machado, MS Carvalho, C Vidal - Measurement, 2023 - Elsevier
Abstract Structural Health Monitoring systems assess the part's current condition. This can
be performed with a monitoring system comprising sensors, on the surface or embedded, in …

Radio-wave electrical conductivity and absorption-dominant interaction with radio wave of exfoliated-graphite-based flexible graphite, with relevance to …

H Guan, DDL Chung - Carbon, 2020 - Elsevier
This work reports the radio-wave (200–2000 MHz) electrical conductivity σ of exfoliated-
graphite-based flexible graphite (FG). The σ (in-plane) is≤ 1.1× 10 5 S/cm (carbon thickness …

Stress and temperature sensing in self-sensing flexible felt composite based on carbon fibers

X Xi, Z Zhao, W Zhang, L Wang, CA Lo, H Chu, L Jiang… - Carbon, 2024 - Elsevier
Self-sensing composites based on carbon fibers (CFs) offer a wide range of remarkable
properties, making them suitable for various significant industrial and engineering …

Piezopermittivity for capacitance-based strain/stress sensing

DDL Chung, X Xi - Sensors and Actuators A: Physical, 2021 - Elsevier
Piezopermittivity refers to the reversible change of the electric permittivity (the main material
property that describes the dielectric behavior) with the elastic strain. This paper addresses …

Absorption-dominant radio-wave attenuation loss of metals and graphite

H Guan, DDL Chung - Journal of Materials Science, 2021 - Springer
Abstract Absorption-dominant radio-wave (0.2–2.0 GHz) attenuation loss is comparatively
reported for materials of high electrical conductivity, namely metals (aluminum and steel) …

Capacitance-based self-sensing of flaws and stress in carbon-carbon composites, with reports of the electric permittivity, piezoelectricity and piezoresistivity

X Xi, DDL Chung - Carbon, 2019 - Elsevier
Capacitance-based nondestructive flaw evaluation (NDE), electric permittivity,
piezoelectricity (capacitance-based stress/strain self-sensing) and piezoresistivity …

Electric poling of carbon fiber with and without nickel coating

DDL Chung, X Xi - Carbon, 2020 - Elsevier
This paper reports for the first time electric poling in a carbon material. The material is
carbon fiber (polyacrylonitrile-based, 12,000-fiber tow, 40-mm inter-electrode distance) …

Electret, piezoelectret and piezoresistivity discovered in steels, with application to structural self-sensing and structural self-powering

X Xi, DDL Chung - Smart Materials and Structures, 2019 - iopscience.iop.org
Electret, piezoelectret, piezoresistivity and stress-dependent electric permittivity are reported
in unmodified steels. Structural stress/strain self-sensing based on piezoelectret …