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Journal articles on the topic 'Film strain gauge'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Chen, Rong Fa, Dun Wen Zuo, Yu Li Sun, Duo Sheng Li, Wen Zhuang Lu, and Min Wang. "Investigation on Strain Films in the Thin Film Resistance Strain Gauge." Key Engineering Materials 375-376 (March 2008): 690–94. http://dx.doi.org/10.4028/www.scientific.net/kem.375-376.690.

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Strain films in the thin film resistance strain gauge are prepared by magnetron sputtering method. Some results concerning the electromechanical and structural properties of nichrome (Ni80Cr20 wt.%) thin films are presented. As compared to the well-known Ni-Cu (constantan) alloy film, which are widely used for manufacturing pressure and force sensors, nichrome (Ni80Cr20 wt.%) thin films exhibit gauge factor values of the same order of magnitude, but they are much more corrosion resistant and adherent to the substrate. The influences of composition and post-deposition annealing on the electrica

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2

Brandt, Bjoern, Marion Gemeinert, Ralf Koppert, Jochen Bolte, and Torsten Rabe. "LTCC Substrates for High Performance Strain Gauges." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2012, CICMT (2012): 000175–80. http://dx.doi.org/10.4071/cicmt-2012-tp43.

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Recent advances in the development of high gauge factor thin-films for strain gauges prompt the research on advanced substrate materials. A glass ceramic composite has been developed in consideration of a high coefficient of thermal expansion and a low modulus of elasticity for the application as support material for thin-film sensors. Constantan foil strain gauges were fabricated from this material by tape casting, pressure-assisted sintering and subsequent lamination of the metal foil on the planar ceramic substrates. The sensors were mounted on a strain gauge beam arrangement and load curve

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3

Mathis, Maximilian, Dennis Vollberg, Matthäus Langosch, Dirk Göttel, Angela Lellig, and Günter Schultes. "Creep adjustment of strain gauges based on granular NiCr-carbon thin films." Journal of Sensors and Sensor Systems 10, no. 1 (2021): 53–61. http://dx.doi.org/10.5194/jsss-10-53-2021.

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Abstract. An important property of high-precision mechanical sensors such as force transducers or torque sensors is the so-called creep error. It is defined as the signal deviation over time at a constant load. Since this signal deviation results in a reduced accuracy of the sensor, it is beneficial to minimize the creep error. Many of these sensors consist of a metallic spring element and strain gauges. In order to realize a sensor with a creep error of almost zero, it is necessary to compensate for the creep behavior of the metallic spring element. This can be achieved by creep adjustment of

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4

Mathis, Maximilian, Dennis Vollberg, Matthäus Langosch, Dirk Göttel, Angela Lellig, and Günter Schultes. "Novel method to reduce the transverse sensitivity of granular thin film strain gauges by modification of strain transfer." Journal of Sensors and Sensor Systems 9, no. 2 (2020): 219–26. http://dx.doi.org/10.5194/jsss-9-219-2020.

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Abstract. Strain gauges based on polyimide carrier foils and piezoresistive granular thin films are highly sensitive to strain. Unlike conventional metal foil, granular film strain gauges also have a pronounced sensitivity to strain acting in the transverse direction. A novel method that allows for the modification of the strain transfer is proposed and proven experimentally. The method is based on the creation of stand-alone polyimide paths, on top of which the piezoresistive thin film is located. In this way, the granular film hardly receives any transverse strain; hence, the transverse sens

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5

Azuma, Toyohiro, Eiji Niwa, Yu Xin Peng, et al. "Cr-N Strain-Gauge-Type Precision Displacement Sensor for Measuring Positions of Micro Stage." Key Engineering Materials 523-524 (November 2012): 939–44. http://dx.doi.org/10.4028/www.scientific.net/kem.523-524.939.

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A strain-gauge-type precision displacement sensor, which is developed for a usage of micro-XY stage, is described in this paper. A thin-film strain-gauge element, which is made by Cr-N alloy, is directly fabricated on the base of the strain gauge. The direct fabrication and using the Cr-N element are expected to achieve higher sensitivity for displacement detection and better stability against the change of ambient temperature. In this study, several designs of the thin-film strain gauge, including both of two-gauge-type and four-gauge-type, are prepared to compare sensor performances such as

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6

Lin, Fan, Xiaochuan Pan, Chao Wu, et al. "ZrB2/SiCN Thin-Film Strain Gauges for In-Situ Strain Detection of Hot Components." Micromachines 13, no. 9 (2022): 1467. http://dx.doi.org/10.3390/mi13091467.

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The in-situ strain/stress detection of hot components in harsh environments remains a challenging task. In this study, ZrB2/SiCN thin-film strain gauges were fabricated on alumina substrates by direct writing. The effects of ZrB2 content on the electrical conductivity and strain sensitivity of ZrB2/SiCN composites were investigated, and based on these, thin film strain gauges with high electrical conductivity (1.71 S/cm) and a gauge factor of 4.8 were prepared. ZrB2/SiCN thin-film strain gauges exhibit excellent static, cyclic strain responses and resistance stability at room temperature. In o

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7

Abe, Osamu, Yoshiaki Taketa, Miyoshi Haradome, and Toshio Inokuma. "New thick‐film strain gauge." Review of Scientific Instruments 59, no. 8 (1988): 1394–98. http://dx.doi.org/10.1063/1.1139675.

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Ma, Lei, Shreyes N. Melkote, John B. Morehouse, James B. Castle, James W. Fonda, and Melissa A. Johnson. "Design of thin-film polyvinylidene fluoride sensor rosettes for isolation of various strain components." Journal of Intelligent Material Systems and Structures 23, no. 10 (2012): 1119–30. http://dx.doi.org/10.1177/1045389x12443597.

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Thin-film polyvinylidene fluoride piezoelectric sensors have long been recognized as a promising alternative to traditional metal foil strain gauges in applications where only dynamic or quasistatic signals are of interest. Compared to metal foil strain gauges, polyvinylidene fluoride sensors feature high sensitivity, high dynamic range, and broad frequency bandwidth. However, transverse sensitivity of the polyvinylidene fluoride sensor is higher than that of a metal foil strain gauge, making it more difficult to isolate a particular strain component or a deformation mode when the host structu

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9

Lei, Jih-Fen. "Palladium-Chromium Strain Gauges." Platinum Metals Review 35, no. 2 (1991): 65–69. http://dx.doi.org/10.1595/003214091x3526569.

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In order to meet urgent needs in aerospace research, an electrical resistance strain gauge of palladium-13 weight per cent chromium alloy is being developed both in fine wire and thin film forms at the NASA Lewis Research Center. The wire strain gauge has platinum wire wound around the gauge grid to serve as the temperature compensator, and is coated with a special alumina-based overcoat. This gauge has a sufficiently small apparent strain, with good reproducibility between thermal cycles to 800°C. The apparent strain of the gauge can therefore be corrected within a reasonable error up to this

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10

Chen, Zuolun, Xiaohui Shi, Xiang Liu, Xia Chen, Zeyu Zhang, and Wenbo Mi. "Modulating saturation magnetization and topological Hall resistivity of flexible ferrimagnetic Mn₄N films by bending strains." Journal of Applied Physics 132, no. 23 (2022): 233906. http://dx.doi.org/10.1063/5.0133067.

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The ferrimagnetic rare-earth-free Mn4N films are considered as a good candidate in spintronics due to its low saturation magnetization ( MS) and high Néel temperature. Here, Mn4N films are directly deposited on flexible mica to investigate strain-related magnetic and electronic transport properties. The MS variation of 11.0 nm Mn4N film reaches 453% at tensile strain of radius of curvature (ROC) = 2 mm. Bending strains cannot affect anomalous Hall resistivity and magnetoresistance. However, the topological Hall resistivity of 147.0 nm Mn4N film increases by 58% at tensile strain of ROC = 5 mm

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11

Tursunov, M. Е., A. T. Dekhkonov, and J. F. Sharipov. "QALIN QATLAMLI TEXNOLOGIYA ASOSIDA TAYYORLANGAN REZISTORLARNING PAST HARORATLARNI SEZMAYDIGAN TENZODATCHIK SIFATIDA QO‘LLANILISHI." Journal of Science and Innovative Development 6, no. 2 (2023): 6–12. http://dx.doi.org/10.36522/2181-9637-2023-2-1.

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A strain gauge made of thick-film resistors has a great potential for use in civil engineering owing to its relatively high voltage sensitivity, stability, low production cost, and long-term service capacities. However, a persistent drawback of strain gauges is their thermal sensitivity. To address this problem, it is advisable to propose and manufacture a strain gauge made of thick film resistors that do not sense low temperatures. This paper makes a close look into the effects of resistor paste components and baking temperature on the temperature coefficient of resistance (TCR) of a thick-fi

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12

Sayed, Sahour, Mohammed Gamil, Ahmed M. R. Fath El-Bab, and Ahmed Abd El Moneim Abd Elmoneim. "LASER Reduced Graphene on Flexible Substrate for Strain Sensing Applications: Temperature Effect on Gauge Factor." Key Engineering Materials 644 (May 2015): 115–19. http://dx.doi.org/10.4028/www.scientific.net/kem.644.115.

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New technique is developed to synthesize graphene film on flexible substrate for strain sensing applications. A flexible graphene/Poly-ethylene Terephthalate (PET) strain sensor based on graphene piezoresistivity is produced by a new simple low cost technique. Graphene oxide film on PET substrate is reduced and patterned simultaneously using 2 Watt CO2LASER beam. The synthesized graphene film is characterized by XRD, FT-IR, SEM, and Raman techniques. Commercial strain gauges are used to predict experimentally the gauge factor (GF) of the graphene film at different values of applied strain. The

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13

Song, Ming, Hui Wang, and Tong Xu. "In-Plane Strain Field Sensor Based on the Semiconductor Film." Materials Science Forum 848 (March 2016): 777–83. http://dx.doi.org/10.4028/www.scientific.net/msf.848.777.

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The ZnO semiconductor multicrystalline film is utilized as the sensing material, and a sensors array is demonstrated in this paper. Based on the coupling effect of piezoelectric and semiconducting, an ultra-high sensitivity to the deformation is obtained that the gauge factor of the single units is derived up to 199, which is 100 times of that of the commercial foil gage (gauge factor = 2). After calibration on every sensing unit, the distribution of the uniform and non-uniform strain applied on the device is measured and mapped by the sensors array successfully. The results show a good applic

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14

Just, T., T. Zehlicke, O. Specht, et al. "Detection of tympanic membrane movement using film patch with integrated strain gauge, assessed by optical coherence tomography: experimental study." Journal of Laryngology & Otology 125, no. 5 (2011): 467–73. http://dx.doi.org/10.1017/s0022215110002859.

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AbstractObjective:We report an ex vivo and in vivo experimental study of a device designed to measure tympanic membrane movement under normal and pathological conditions, assessed using optical coherence tomography.Materials and methods:We designed two types of flexible, round film patch with integrated strain gauge, to be attached to the tympanic membrane in order to measure tympanic membrane movement. Tympanic membrane attachment was assessed using optical coherence tomography. The devices were tested experimentally using an ex vivo model with varying middle-ear pressure.Results:Optical cohe

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15

Schmaljohann, F., D. Hagedorn, and F. Löffler. "Thin film sensors for measuring small forces." Journal of Sensors and Sensor Systems 4, no. 1 (2015): 91–95. http://dx.doi.org/10.5194/jsss-4-91-2015.

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Abstract. Especially in the case of measuring small forces, the use of conventional foil strain gauges is limited. The measurement uncertainty rises by force shunts and is due to the polymer foils used, as they are susceptible to moisture. Strain gauges in thin film technology present a potential solution to overcome these effects because of their direct and atomic contact with the measuring body, omitting an adhesive layer and the polymer foil. For force measurements up to 1 N, a suitable deformation element was developed by finite element (FE) analysis. This element is designed for an approx

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16

Miao, Y., L. Chen, Y. Lin, R. Sammynaiken, and W. J. Zhang. "On finding of high piezoresistive response of carbon nanotube films without surfactants for in-plane strain detection." Journal of Intelligent Material Systems and Structures 22, no. 18 (2011): 2155–59. http://dx.doi.org/10.1177/1045389x11426179.

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The use of carbon nanotubes (CNTs) for construction of sensors is promising. This is due to some unique characteristics of CNTs. In recent years, strain sensors built from CNT composite films have been developed; however, their low piezoresistive sensitivity (gauge factor (GF)) in in-plane strain detection is a concern compared with other strain sensors. This article reports an experimental discovery of the superior piezoresistive response of a CNT film that is free of surfactants, known as the pure CNT film. The mechanism for the high GF with the pure CNT film strain sensors is also discussed

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17

YAN, JIANWU, and JICHENG ZHOU. "STRAIN SENSITIVITY AND TEMPERATURE INFLUENCE OF NICHROME (80/20 wt.%) THIN FILM FABRICATED BY MAGNETRON SPUTTERING." International Journal of Modern Physics B 21, no. 21 (2007): 3719–31. http://dx.doi.org/10.1142/s0217979207037636.

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The electromechanical properties of nichrome ( Ni – Cr 80/20 wt.%) used as a common material for application in thin film strain gauges have been studied. The surface topography and chemical composition of Ni – Cr thin films grown on the glass substrate by magnetron sputtering have been analyzed by atomic force microscope (AFM) and energy dispersive spectroscopy (EDS), respectively. The temperature coefficient of resistance (TCR) has been determined by a Nano-volt/Micro ohm meter. The gauge factor (FG) has been determined by the cantilever method. Low stable TCR values (22 ppm to 46 ppm in the

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18

Desai, R. R., D. Lakshminarayana, P. B. Patel, and C. J. Panchal. "Indium sesquitelluride (In2Te3) thin film strain gauge." Sensors and Actuators A: Physical 121, no. 2 (2005): 405–9. http://dx.doi.org/10.1016/j.sna.2005.03.011.

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19

Pan, Xiaochuan, Fan Lin, Chao Wu, et al. "Additive-Manufactured Platinum Thin-Film Strain Gauges for Structural Microstrain Testing at Elevated Temperatures." Micromachines 13, no. 9 (2022): 1472. http://dx.doi.org/10.3390/mi13091472.

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This paper investigates the feasibility and performance of the fabrication of platinum high-temperature thin-film strain sensors on nickel-based alloy substrates by additive manufacturing. The insulating layer was made of a dielectric paste by screen printing process. A 1.8-micron-thick platinum film was deposited directly on the insulating layer. The four-wire resistance measurement method was used to eliminate the contact resistance of the solder joints. Comprehensive morphological and electrical characterization of the platinum thin-film strain gauge was carried out, and good static and dyn

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20

Gamil, Mohammed, Osamu Tabata, Koichi Nakamura, Ahmed M. R. Fath El-Bab, and Ahmed A. El-Moneim. "Investigation of a New High Sensitive Micro-Electromechanical Strain Gauge Sensor Based on Graphene Piezoresistivity." Key Engineering Materials 605 (April 2014): 207–10. http://dx.doi.org/10.4028/www.scientific.net/kem.605.207.

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A new strain gauge based on graphene piezoresistivity was fabricated by a novel low cost technique which suits mass production of micro piezoresistor sensors. The strain gauge consists of a monolayer graphene film made by chemical vapor deposition on a copper foil surface, and transferred to Si/SiO2 surface by using a polymethyl-methacrylate (PMMA) assisted transfer method. The film is shaped by laser machine to work as a conductive-piezoresistive material between two deposited electrical silver electrodes. This method of fabrication provides a high productivity due to the homogeneous distribu

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21

Lin, Yu Li, Kuan Tung Su, Gin Shin Chen, and Jia Shing Liu. "Fabrication and Characterization of Microscale Sensors for Strain Measurement in Flexible Polymer Heart Valve Leaflet." Advanced Materials Research 47-50 (June 2008): 270–73. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.270.

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Flexible polymer heart valves are promising clinical prostheses for replacement of diseased or malfunctioned natural heart valves. However, the flexible polymer leaflets are prone to fatigue fracture, which hinders their practicality in clinical applications. In this study, micro strain sensor (gauge) for strain measurement is designed in the polyurethane (PU) thin film to measure the stress/strain in situ. In our design, the strain gauge is embedded in PU which is different to the commercial strain gauge of sticking to the sample. The metal layer of strain gauge used in this study is gold. Th

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22

Ono, Takahito, Minjie Zhu, Joichiro Suo, and Naoki Inomata. "(Invited) MoS₂ Thin Films for Piezoresistive Strain Sensors." ECS Meeting Abstracts MA2025-01, no. 36 (2025): 1732. https://doi.org/10.1149/ma2025-01361732mtgabs.

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Atomic layered molybdenum disulfide (MoS2) is one of the most promising two-dimensional (2D) materials for next-generation microelectromechanical devices, including nanoelectromechanical sensors, flexible tactile sensors, and ultrasensitive miniaturized transducers (1). However, 2D MoS2-based sensors have not yet been put to practical use due to challenges in material synthesis for large areas and mass production of thin film fabrication technology. In this talk, we introduce the synthesis of the MoS2 thin films and the doping effect. Firstly, 2D MoS2 films were prepared using the general low-

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23

Vuong, Quang Dao, Ji-woong Lee, Won-Ju Lee, et al. "Establishing the True Dynamic Bending Moment of Propeller Shaft Using a Single Bridge of Strain Gauge." Applied Sciences 12, no. 18 (2022): 9235. http://dx.doi.org/10.3390/app12189235.

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The measurement of shaft bending (whirling) moment can be performed via a telemetry system including strain gauges which can obtain the bending stress. By using a single bridge of strain gauge, it was possible to obtain only the nominal bending moment. However, in case of the propeller shaft vibration measurement, the true dynamic bending moment is needed to evaluate the effect of propeller forces on the stability of the bearings. To deal with this, typically two bridges of strain gauge at 90 degrees are needed. This research presents a novel reliability assessment method in establishing the t

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24

Yamadera, H., and Y. Taga. "CrOX film as a strain gauge." Thin Solid Films 206, no. 1-2 (1991): 107–10. http://dx.doi.org/10.1016/0040-6090(91)90401-i.

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25

Rajanna, K., and S. Mohan. "Studies on meandering path thin-film strain gauge." Sensors and Actuators 15, no. 3 (1988): 297–303. http://dx.doi.org/10.1016/0250-6874(88)87018-5.

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26

Ryu, Donghyeon, and Alfred Mongare. "Corrugated Photoactive Thin Films for Flexible Strain Sensor." Materials 11, no. 10 (2018): 1970. http://dx.doi.org/10.3390/ma11101970.

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In this study, a flexible strain sensor is devised using corrugated bilayer thin films consisting of poly(3-hexylthiophene) (P3HT) and poly(3,4-ethylenedioxythiophene)-polystyrene(sulfonate) (PEDOT:PSS). In previous studies, the P3HT-based photoactive non-corrugated thin film was shown to generate direct current (DC) under broadband light, and the generated DC voltage varied with applied tensile strain. Yet, the mechanical resiliency and strain sensing range of the P3HT-based thin film strain sensor were limited due to brittle non-corrugated thin film constituents. To address this issue, it is

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27

Su, Yu-Shun, Wei-Rong Yang, Wei-Wun Jheng, et al. "Optimization of Piezoresistive Strain Sensors Based on Gold Nanoparticle Deposits on PDMS Substrates for Highly Sensitive Human Pulse Sensing." Nanomaterials 12, no. 13 (2022): 2312. http://dx.doi.org/10.3390/nano12132312.

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In this study, highly-sensitive piezoresistive strain sensors based on gold nanoparticle thin films deposited on a stretchable PDMS substrate by centrifugation were developed to measure arterial pulse waveform. By controlling carbon chain length of surfactants, pH value and particle density of the colloidal solutions, the gauge factors of nanoparticle thin film sensors can be optimized up to 677 in tensile mode and 338 in compressive mode, and the pressure sensitivity up to 350. Low pH and thin nanoparticle films produce positive influences to superior gauge factors. It has been demonstrated t

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28

Hsiao, Yu-Jen, Ru-Li Lin, Hwi-Ming Wang, and Cheng-Zhe Cai. "Evaporation of Ti/Cr/Ti Multilayer on Flexible Polyimide and Its Application for Strain Sensor." Micromachines 12, no. 4 (2021): 456. http://dx.doi.org/10.3390/mi12040456.

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A flexible Ti/Cr/Ti multilayer strain gauge have been successfully developed based on polyimide substrate. The pure Ti metal strain gauge have shown the hysteresis phenomenon at the relationship between resistance and strain during tensile test. The experimental results of multilayer strain gauge show that adding Cr interlayer can improve the recovery and stability of the sensing electrode. When the interlayer Cr thickness was increased from 0 to 70 nm, the resistance decreased from 27 to 8.8 kΩ. The gauge factor (GF) value also decreased from 4.24 to 2.31 with the increase in the thickness of

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29

Park, Jongsung, Dong-Su Kim, Youngsam Yoon, Arunkumar Shanmugasundaram, and Dong-Weon Lee. "Crack-Based Sensor by Using the UV Curable Polyurethane-Acrylate Coated Film with V-Groove Arrays." Micromachines 14, no. 1 (2022): 62. http://dx.doi.org/10.3390/mi14010062.

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Over the years, several bare metal and crack-based strain sensors have been proposed for various fields of science and technology. However, due to their low gauge factor, metal-based strain sensors have limited practical applications. The crack-based strain sensor, on the other hand, demonstrated excellent sensitivity and a high gauge factor. However, the crack-based strain sensor exhibited non-linear behavior at low strains, severely limiting its real-time applications. Generally, the crack-based strain sensors are fabricated by generating cracks by bending a polymer film on which a metal lay

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30

Zeiser, R., T. Fellner, and J. Wilde. "Capacitive strain gauges on flexible polymer substrates for wireless, intelligent systems." Journal of Sensors and Sensor Systems 3, no. 1 (2014): 77–86. http://dx.doi.org/10.5194/jsss-3-77-2014.

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Abstract. This paper presents a novel capacitive strain gauge with interdigital electrodes, which was processed on polyimide and LCP (liquid crystal polymer) foil substrates. The metallization is deposited and patterned using thin-film technology with structure sizes down to 15 μm. We determined linear strain sensitivities for our sensor configuration and identified the most influencing parameters on the output signal by means of an analytical approach. Finite-element method (FEM) simulations of the strain gauge indicated the complex interaction of mechanical strains within the sensitive struc

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Rajanna, K., S. Mohan, M. M. Nayak, and N. Gunasekaran. "Thin-film pressure transducer with manganese film as the strain gauge." Sensors and Actuators A: Physical 24, no. 1 (1990): 35–39. http://dx.doi.org/10.1016/0924-4247(90)80045-7.

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Her, Shiuh-Chuan, and Yuan-Ming Liang. "Carbon-Based Nanomaterials Thin Film Deposited on a Flexible Substrate for Strain Sensing Application." Sensors 22, no. 13 (2022): 5039. http://dx.doi.org/10.3390/s22135039.

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Hybrid nanomaterial film consisting of multi-walled carbon nanotubes (MWCNT) and graphene nanoplatelet (GNP) were deposited on a highly flexible polyimide (PI) substrate using spray gun. The hybridization between 2-D GNP and 1-D MWCNT reduces stacking among the nanomaterials and produces a thin film with a porous structure. Carbon-based nanomaterials of MWCNT and GNP with high electrical conductivity can be employed to detect the deformation and damage for structural health monitoring. The strain sensing capability of carbon-based hybrid nanomaterial film was evaluated by its piezoresistive be

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Woszczyński, Mariusz, Joanna Rogala-Rojek, and Krzysztof Stankiewicz. "Advancement of the Monitoring System for Arch Support Geometry and Loads." Energies 15, no. 6 (2022): 2222. http://dx.doi.org/10.3390/en15062222.

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As part of the RFCS project, which aimed to improve transport safety in mines, ITG KOMAG proposed a system for monitoring loads and geometric of arch support. The system’s function is to control safety, mainly during suspended monorail runs. This paper presents a hardware model and a measurement method based on the use of vibrating wire strain gauges and draw-wire sensors. The challenge was to properly adapt the vibrating wire strain gauge operation to the requirements of the ATEX directive on the safe use of electrical equipment in underground mines. The signal transducer algorithm and potent

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Kalpana, H. M., and V. Siddeswara Prasad. "Development of the invar36 thin film strain gauge sensor for strain measurement." Measurement Science and Technology 25, no. 6 (2014): 065102. http://dx.doi.org/10.1088/0957-0233/25/6/065102.

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Stephen, R. J., K. Rajanna, V. Dhar, K. G. K. Kumar, and S. Nagabushanam. "Thin-Film Strain Gauge Sensors for Ion Thrust Measurement." IEEE Sensors Journal 4, no. 3 (2004): 373–77. http://dx.doi.org/10.1109/jsen.2004.827276.

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Kao, Hsuan-Ling, Cheng-Lin Cho, Li-Chun Chang, Chun-Bing Chen, Wen-Hung Chung, and Yun-Chen Tsai. "A Fully Inkjet-Printed Strain Sensor Based on Carbon Nanotubes." Coatings 10, no. 8 (2020): 792. http://dx.doi.org/10.3390/coatings10080792.

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A fully inkjet-printed strain sensor based on carbon nanotubes (CNTs) was fabricated in this study for microstrain and microcrack detection. Carbon nanotubes and silver films were used as the sensing layer and conductive layer, respectively. Inkjet-printed CNTs easily undergo agglomeration due to van der Waals forces between CNTs, resulting in uneven films. The uniformity of CNT film affects the electrical and mechanical properties. Multi-pass printing and pattern rotation provided precise quantities of sensing materials, enabling the realization of uniform CNT films and stable resistance. Thr

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Hamula, Pavlo, and Mykhaylo Myhal. "APPLICATION OF HIGH-ENTROPY ALLOYS IN STRAIN SENSORS." Measuring Equipment and Metrology 86, no. 2 (2025): 43–47. https://doi.org/10.23939/istcmtm2025.02.043.

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This article investigates the physicochemical properties of the high-entropy alloy MoNbTaVW and its potential application in strain gauge sensors for structural health monitoring of composite constructions, particularly wind turbines. The material’s suitability for accurate mechanical tension measurements is analyzed, taking into account its high thermal stability, resistance to corrosion, and tolerance to radiation exposure. It is demonstrated that MoNbTaVW maintains structural integrity at elevated temperatures, outperforming conventional metals commonly used in sensing systems. Special atte

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Li, Yong Hua, F. L. Meng, Chang Sheng Liu, and Y. M. Wang. "Crack Spacing and the Flow Stress in NiTi Thin Films Deposited on Cu Substrate." Key Engineering Materials 385-387 (July 2008): 89–92. http://dx.doi.org/10.4028/www.scientific.net/kem.385-387.89.

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Ti-51.45at.%Ni thin films were deposited onto copper substrates by magnetron sputtering. The copper substrates were pre-punched into dog-bone specimens with 4.5mm×30mm(gauge portion) ×35µm( thickness). The substrate temperature was about 673K. The thin films were about 20µm thick. The as-deposited films were first solution treated at 1073K for 1h, and then aged at 773K for 30min. The grain size was estimated to be 1.5µm from scanning electron microscopy micrographs. Tensile tests were carried out on CSS-44100 electron universal test-machine. The strain rate was 1.1×10-4 s-1. The stress-strain

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Gregori, Amedeo, Emidio Di Giampaolo, Alessandro Di Carlofelice, and Chiara Castoro. "Presenting a New Wireless Strain Method for Structural Monitoring: Experimental Validation." Journal of Sensors 2019 (November 3, 2019): 1–12. http://dx.doi.org/10.1155/2019/5370838.

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The structural health monitoring (SHM) of large and complex infrastructures as well as laboratory tests of new structures and materials resorts to strain gauge measurements to check mechanical stress. A wireless measurement of the strain gauge response is desirable in many practical applications to avoid the cost and the difficulty of wiring, particularly in large structures requiring several sensors and in complex objects where the measurement points are difficult to access. In this paper, a wireless strain gauge which is a hybrid between an RFID tag and a usual thin-film resistive strain gau

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Bai, Xuqiu, Jun Zheng, Zhichun Xu, Fei Pan, Xiang Ge, and Caideng Yuan. "Ultrathin CNTs Film Based on Marangoni Effect for Strain Sensing Application." Coatings 13, no. 6 (2023): 1026. http://dx.doi.org/10.3390/coatings13061026.

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The Marangoni effect has been applied in the preparation of large-area ultrathin films. However, defects occur frequently during the transfer progress of ultrathin films to substrates, which limits its application in scalable and massive fabrication. Carbon nanotubes (CNTs), as typical one-dimensional carbon materials, are widely used in wearable and flexible sensors due to their outstanding electrical and mechanical properties. In this paper, Marangoni-driven self-assembled CNTs film was obtained by injecting 0.5 mL 1 mg·mL−1 CNTs/ethanol dispersion on 100 cm2 water dropwise; the thickness, s

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Hegde, Roopa, Koona Ramji, Swapna Peravali, Yallappa Shiralgi, Gurumurthy Hegde, and Lavakumar Bathini. "Characterization of MWCNT-PEDOT: PSS Nanocomposite Flexible Thin Film for Piezoresistive Strain Sensing Application." Advances in Polymer Technology 2019 (June 10, 2019): 1–9. http://dx.doi.org/10.1155/2019/9320976.

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Multiwalled carbon nanotubes (MWCNTs) were synthesized by the reduction of ethyl alcohol with sodium borohydride (NaBH4) under a strong basic solvent with the high concentration of sodium hydroxide (NaOH). Nanocomposites of different concentration of MWCNT dispersed in poly(3,4-ethylene dioxythiophene) polymerized with poly(4-styrene sulfonate) (PEDOT:PSS) were prepared and deposited on a flexible polyethylene terephthalate (PET) polymer substrates by the spin coating method. The thin films were characterized for their nanostructure and subsequently evaluated for their piezoresistive response.

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Arruda, Luciano, Cristiano Coimbra, and João Marco Andolfatto. "Direct and Indirect Strain Measurement of Flexible Printed Circuit Boards - fPCBs." Advanced Materials Research 655-657 (January 2013): 88–93. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.88.

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This work is related to reliability of strain measurement in flexible printed circuit boards (fPCBs) made with polyimide substrate. It was observed that the fPCBs are very sensitive to strain mounting stiffness. The indirect measurement method will be done employing High Speed Camera (HSP). The direct method will be formulated in two ways: 1) conventional strain gauge glued in an fPCBs; 2) printed strain gauge in a polyimide substrate. This paper will point out mistakes and show advantages when using different method to extract the deformation field of the selected area in a flexible thin film

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Zeiser, Roderich, Suleman Ayub, Jochen Hempel, Michael Berndt, and Juergen Wilde. "Mechanical Stress Analyses of Packaged Pressure Sensors for Very High Temperatures." Journal of Microelectronics and Electronic Packaging 11, no. 1 (2014): 30–35. http://dx.doi.org/10.4071/imaps.399.

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Methods for investigations of stresses specialized for devices operating up to 500°C are presented in this study. Resistive pressure sensors and test chips with microstrain (μ-strain) gauges are processed in thin film technology. The sensor structure was a Wheatstone bridge on a silicon membrane with platinum resistors. The μ-strain gauges were characterized with tensile tests in combination with optical strain measurements. A gauge factor of 3.6 was measured at room temperature. After characterization as bare dice, the chips were mounted with a borosilicate glass solder on two ceramic substra

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Sayed, Sahour, Mohammed Gamil, Ahmed Fath El-Bab, et al. "Graphene film development on flexible substrate using a new technique: temperature dependency of gauge factor for graphene-based strain sensors." Sensor Review 36, no. 2 (2016): 140–47. http://dx.doi.org/10.1108/sr-07-2015-0114.

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Purpose The purpose of this paper is to develop a new simple technique to synthesize graphene film on a flexible polyethylene terephthalate (PET) substrate and applied as a strain sensor. Design/methodology/approach Graphene film was synthesized using laser treatment of graphene oxide (GO) film deposited on PET substrate. A universal laser system was used to simultaneously reduce and pattern the GO film into laser reduced graphene oxide (LRGO) film. Findings The laser treatment synthesizes a multilayer graphene film with overlapped flakes, which shows structure integrity, mechanical flexibilit

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Clemens, B. M., and J. A. Bain. "Stress Determination in Textured Thin Films Using X-Ray Diffraction." MRS Bulletin 17, no. 7 (1992): 46–51. http://dx.doi.org/10.1557/s0883769400041658.

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Thin film stresses are important in many areas of technology. In the semiconductor industry, metal interconnects are prone to stress voiding and hillock formation. Stresses in passivation layers can lead to excessive substrate curvature which can cause alignment difficulty in subsequent lithographic processing. In other thin film applications, stresses can cause peeling from mechanical failure at the film-substrate interface. Beyond these issues of reliability, stress and the resulting strain can be used to tune the properties of thin film materials. For instance, strain, coupled with the magn

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Klaas, Daniel, Rico Ottermann, Folke Dencker, and Marc Christopher Wurz. "Development, Characterisation and High-Temperature Suitability of Thin-Film Strain Gauges Directly Deposited with a New Sputter Coating System." Sensors 20, no. 11 (2020): 3294. http://dx.doi.org/10.3390/s20113294.

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New sensor and sensor manufacturing technologies are identified as a key factor for a successful digitalisation and are therefore economically important for manufacturers and industry. To address various requirements, a new sputter coating system has been invented at the Institute of Micro Production Technology. It enables the deposition of sensor systems directly onto technical surfaces. Compared to commercially available systems, it has no spatial limitations concerning the maximum coatable component size. Moreover, it enables a simultaneous structuring of deposited layers. Within this paper

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Zhang, Yiqun, Xiaoyu Liu, Xiaodong Wu, Qi Liu, and Zhuqing Wang. "A Carbon Black/Polyvinyl Alcohol-Based Composite Thin Film Sensor Integrating Strain and Humidity Sensing Using the Droplet Deposition Method." Crystals 12, no. 9 (2022): 1316. http://dx.doi.org/10.3390/cryst12091316.

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Carbon black (CB) is a low-cost and excellent conductive material, and polyvinyl alcohol (PVA) is a non-conductive material with the advantages of easy processing and high mechanical stability. Here, we report a CB/PVA-based flexible conductive polymer film suitable for small strain detection and humidity detection. Thin film is formed by depositing the CB/PVA dispersion liquid droplets on a cleaned silicon/silicon dioxide (Si/SiO2) substrate. Theoretically, CB/PVA films can be transferred or formed on other substrates, such as polydimethylsiloxane, which have the advantage of flexibility. The

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Arshak, K. I., F. Ansari, D. Collins, and R. Perrem. "Characterisation of a thin-film/thick-film strain gauge sensor on stainless steel." Materials Science and Engineering: B 26, no. 1 (1994): 13–17. http://dx.doi.org/10.1016/0921-5107(94)90180-5.

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Luan, Jinjin, Qing Wang, Xu Zheng, Yao Li, and Ning Wang. "Flexible Metal/Polymer Composite Films Embedded with Silver Nanowires as a Stretchable and Conductive Strain Sensor for Human Motion Monitoring." Micromachines 10, no. 6 (2019): 372. http://dx.doi.org/10.3390/mi10060372.

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To avoid conductive failure due to the cracks of the metal thin film under external loads for the wearable strain sensor, a stretchable metal/polymer composite film embedded with silver nanowires (AgNWs) was examined as a potential candidate. The combination of Ag film and AgNWs enabled the fabrication of a conductive film that was applied as a high sensitivity strain sensor, with gauge factors of 7.1 under the applied strain of 0–10% and 21.1 under the applied strain of 10–30%. Furthermore, the strain sensor was demonstrated to be highly reversible and remained stable after 1000 bending cycle

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Nayak, M. M., N. Gunasekaran, A. E. Muthunayagam, K. Rajanna, and S. Mohan. "Diaphragm-type sputtered platinum thin film strain gauge pressure transducer." Measurement Science and Technology 4, no. 12 (1993): 1319–22. http://dx.doi.org/10.1088/0957-0233/4/12/002.

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