Friction and wear durability study of epoxy-based polymer (SU-8) composite coatings with talc and graphite as fillers

JK Katiyar, SK Sinha, A Kumar - Wear, 2016 - Elsevier
Abstract SU-8, an epoxy-based polymer, is industrially very useful material for fabricating
microsystems such as micro-electro-mechanical systems. However, for optimal performance …

Superelastic ferroelectric micropillar with large hysteresis and super-durability

K Chu, Y Li, X Wang, Z Wu, Q Peng, J Li, LQ Chen… - Acta Materialia, 2023 - Elsevier
Hysteresis and durability are generally on the opposite sides of a trade-off for superelastic
materials. We herein break this trade-off and report that BaTiO 3 (BT) micropillars present …

A microtensiometer capable of measuring water potentials below− 10 MPa

V Pagay, M Santiago, DA Sessoms, EJ Huber… - Lab on a Chip, 2014 - pubs.rsc.org
Tensiometers sense the chemical potential of water (or water potential, Ψw) in an external
phase of interest by measuring the pressure in an internal volume of liquid water in …

[HTML][HTML] Ultrahigh superelastic damping at the nano-scale: A robust phenomenon to improve smart MEMS devices

JF Gómez-Cortés, ML Nó, I Ruíz-Larrea, T Breczewski… - Acta Materialia, 2019 - Elsevier
Micro and nano pillars of Copper-based shape memory alloys (SMAs) with feature sizes
between about 2 μm and 250 nm are known to exhibit ultra-high mechanical damping due to …

Selection of MEMS accelerometers for tilt measurements

S Łuczak, R Grepl, M Bodnicki - Journal of Sensors, 2017 - Wiley Online Library
In order to build a tilt sensor having a desired sensitivity and measuring range, one should
select an appropriate type, orientation, and initial position of an accelerometer. Various …

Electrostatic compensation of structural imperfections in dynamically amplified dual-mass gyroscope

A Efimovskaya, D Wang, YW Lin, AM Shkel - Sensors and Actuators A …, 2018 - Elsevier
This paper presents a study on dynamics of a dual-mass MEMS vibratory gyroscope in
presence of fabrication imperfections and reports a method for precision electrostatic …

[HTML][HTML] Superelastic damping at nanoscale in ternary and quaternary Cu-based shape memory alloys

JF Gómez-Cortés, V Fuster, M Pérez-Cerrato… - Journal of Alloys and …, 2021 - Elsevier
Superelasticity is a characteristic thermomechanical property in shape memory alloys
(SMA), which is due to a reversible stress-induced martensitic transformation. Nano …

Highly piezoresistive hybrid MEMS sensors

D Thuau, C Ayela, P Poulin, I Dufour - Sensors and Actuators A: Physical, 2014 - Elsevier
A flexible organic piezoresistive micro-electro-mechanical system (MEMS) strain sensor with
enhanced sensitivity is presented. The piezoresistive transducers consist in CNT/SU-8 …

[HTML][HTML] Unlocking the potential of piezoelectric films grown on vertical surfaces for inertial MEMS

A Gabrelian, G Ross, K Bespalova… - Materials Today …, 2022 - Elsevier
Devices based on piezoelectric actuation are some of the most promising among the
microelectromechanical systems (MEMS). Commonly, piezoelectric materials, such as …

[HTML][HTML] Ultra-high mechanical damping during superelastic bending of micro pillars and micro beams in Cu-Al-Ni shape memory alloys

JM San Juan, JF Gómez-Cortés, ML Nó - Journal of Alloys and Compounds, 2022 - Elsevier
Mechanical spectroscopy techniques and internal friction measurements have historically
offered a key contribution to the understanding of fundamental mechanisms of defects …