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Journal articles on the topic 'Film strain gauges'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

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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2

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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3

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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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

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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6

Li, Chunshien, P. J. Hesketh, and G. J. Maclay. "Thin gold film strain gauges." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 12, no. 3 (1994): 813–19. http://dx.doi.org/10.1116/1.578828.

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7

Fraigi, L., and L. Malatto. "Thick-film weldable strain gauges." Sensors and Actuators A: Physical 46, no. 1-3 (1995): 222–24. http://dx.doi.org/10.1016/0924-4247(94)00894-n.

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8

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

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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11

Kayser, P., J. C. Godefroy, and L. Leca. "High-temperature thin-film strain gauges." Sensors and Actuators A: Physical 37-38 (June 1993): 328–32. http://dx.doi.org/10.1016/0924-4247(93)80055-l.

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12

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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13

Smith, A. L., and D. J. Mee. "Dynamic strain measurement using piezoelectric polymer film." Journal of Strain Analysis for Engineering Design 31, no. 6 (1996): 463–65. http://dx.doi.org/10.1243/03093247v316463.

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Piezoelectric polymers have been used to form the basis of dynamic strain gauges for the detection of stress waves. The linearity of response was tested using a split Hopkinson pressure bar arrangement. The results obtained illustrate the effectiveness of piezoelectric film strain gauges in the measurement of axial stress waves.

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14

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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15

Cheng, Yun Ping, Wen Ge Wu, Xiao Jun Du, and Chun Hua An. "Microfabrication and Characterization of Tool Embedded Ni-Chrome Thin Film Micro-Sensors for Cutting Force Measurement." Key Engineering Materials 693 (May 2016): 1074–81. http://dx.doi.org/10.4028/www.scientific.net/kem.693.1074.

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This paper investigated the fabrication and design of embedded Ni-chrome thin-film strain gauges as micro-sensors in tool holders to measure the cutting force in machining operations. A Ni-chrome thin film as piezoresistive material sensor device is embedded within a substrate structure through brazing bonding process, which consists of a Ti6Al4V substrate, a Nickel-chromium thin film sensor and an Alumina insulating layer. The thin-films were characterized by 3D Super Depth Digital Microscope, SEM/EDS, Stylus profiler, to study microstructure, material composition, thickness and sheet resista

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16

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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17

Yan, T., B. E. Jones, R. T. Rakowski, M. J. Tudor, S. P. Beeby, and Nicholas M. White. "Development of Metallic Digital Strain Gauges." Applied Mechanics and Materials 1-2 (September 2004): 179–84. http://dx.doi.org/10.4028/www.scientific.net/amm.1-2.179.

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A joint Brunel-Southampton Universities’ research team has developed digital strain gauges based on a metallic triple-beam resonator structure with thick-film piezoelectric sensor elements. The resonator, an oscillating structure vibrating at resonance, is designed such that its resonant frequency is a function of the measurand. The resonator substrate was fabricated by a double-sided photochemical etching technique and the thick-film piezoelectric elements were deposited by a standard screen-printing process. The new metallic digital strain gauges can be used on stiff structures, have high ov

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18

Aslam, Sarmad, Abdul Waqar Rajput, Amir Abbas, Anwar Ul Aleem, and Saad Aslam. "Online structural health monitoring of polymer composite structure using gold nanoparticles (AuNPs)." Mehran University Research Journal of Engineering and Technology 43, no. 2 (2024): 157. http://dx.doi.org/10.22581/muet1982.3085.

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A mechanism for online structural health monitoring of composite structure was established by developing highly sensitive strain gauges based on colloidal Gold Nano Particles (AuNPs). They were synthesized using well known Turkevich-Frens method followed by phase transfer in chloroform using surfactant Cetyltrimethylammonium bromide (CTAB). Flexible Strain gauges / smart sensors were formed by mixing colloidal AuNPs-chloroform solution in polystyrene (PS) – chloroform solution and depositing their thick paste on hand-made flexible thermoplastic polyurethane (TPU) film. These sensors were used

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19

Broitman, E., and R. Zimmerman. "Ion-plated discontinuous thin film strain gauges." Thin Solid Films 317, no. 1-2 (1998): 440–42. http://dx.doi.org/10.1016/s0040-6090(97)00637-8.

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20

Heikebrügge, S., R. Ottermann, B. Breidenstein, M. C. Wurz, and F. Dencker. "Residual Stresses from Incremental Hole Drilling Using Directly Deposited Thin Film Strain Gauges." Experimental Mechanics 62, no. 4 (2022): 701–13. http://dx.doi.org/10.1007/s11340-022-00822-0.

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Abstract Background Commonly, polymer foil-based strain gauges are used for the incremental hole drilling method to obtain residual stress depth profiles. These polymer foil-based strain gauges are prone to errors due to application by glue. For example zero depth setting is thus often erroneous due to necessary removal of polymer foil and glue. This is resulting in wrong use of the calibration coefficients and depth resolution and thus leading to wrong calculations of the obtained residual stress depth profiles. Additionally common polymer foil-based sensors are limited in their application r

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21

Cui, Yunxian, Xin Li, Tenglun Zhang, Wanyu Ding, and Junwei Yin. "Development of High-Temperature Wire-Grid Thin Film Strain Gauges." Sensors 22, no. 19 (2022): 7595. http://dx.doi.org/10.3390/s22197595.

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Aero-engine turbine stator blades are often used in harsh environments with high temperatures and high pressure and are prone to fatigue fractures. Real-time and accurate monitoring of blade surface stress and strain is critical to ensure safe operation. In this study, thin-film strain gauges (TFSGs) that can be used in high-temperature environments above 1000 °C were designed and fabricated using a PtRh6 thin film as the sensitive material. The hysteresis effect of the stress transfer upon establishing a thermo-mechanical coupling finite element model of the Inconel718 high-temperature nickel

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22

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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23

Kondratov, A. P., A. M. Zueva, R. S. Varakin, I. P. Taranec, and I. A. Savenkova. "Polymer film strain gauges for measuring large elongations." IOP Conference Series: Materials Science and Engineering 312 (February 2018): 012013. http://dx.doi.org/10.1088/1757-899x/312/1/012013.

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24

Grange, H., C. Maeder, C. Bieth, S. Renard, and G. Delapierre. "Thin film strain gauges on polymers: main characteristics." Sensors and Actuators A: Physical 46, no. 1-3 (1995): 213–17. http://dx.doi.org/10.1016/0924-4247(94)00892-l.

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25

Math, Souvik, V. Jayaram, and S. K. Biswas. "Deformation and failure of a film/substrate system subjected to spherical indentation: Part I. Experimental validation of stresses and strains derived using Hankel transform technique in an elastic film/substrate system." Journal of Materials Research 21, no. 3 (2006): 774–82. http://dx.doi.org/10.1557/jmr.2006.0094.

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Our concern here is to rationalize experimental observations of failure modes brought about by indentation of hard thin ceramic films deposited on metallic substrates. By undertaking this exercise, we would like to evolve an analytical framework that can be used for designs of coatings. In Part I of the paper we develop an algorithm and test it for a model system. Using this analytical framework we address the issue of failure of columnar TiN films in Part II [J. Mater. Res.21, 783 (2006)] of the paper. In this part, we used a previously derived Hankel transform procedure to derive stress and

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26

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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27

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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28

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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29

Danışman, Murat, and Nurhan Cansever. "NiCr Thin Film Strain Gauges Fabricated on Glass Substrates." Materials Testing 55, no. 10 (2013): 755–58. http://dx.doi.org/10.3139/120.110498.

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30

Nayak, M. M., K. Rajanna, N. Gunasekaran, A. E. Muthunayagam, S. Mohan, and K. Mohan Ram. "Sputtered thin-film strain gauges for differential pressure measurement." IEEE Transactions on Instrumentation and Measurement 45, no. 1 (1996): 335–39. http://dx.doi.org/10.1109/19.481365.

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31

Kim, Ju-Hyung, Yuchen Liang, and Soonmin Seo. "Patchable thin-film strain gauges based on pentacene transistors." Organic Electronics 26 (November 2015): 355–58. http://dx.doi.org/10.1016/j.orgel.2015.08.005.

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32

Rajanna, K., S. Mohan, M. M. Nayak, N. Gunasekaran, and A. E. Muthunayagam. "Pressure transducer with Au-Ni thin-film strain gauges." IEEE Transactions on Electron Devices 40, no. 3 (1993): 521–24. http://dx.doi.org/10.1109/16.199357.

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33

Ferrero, C., C. Marinari, A. Masoero, B. Morten, and M. Prudenziati. "Performance of thick film strain gauges at cryogenic temperatures." Cryogenics 30, no. 8 (1990): 726–29. http://dx.doi.org/10.1016/0011-2275(90)90237-7.

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34

Wang, Hai Bo, Hao Xiong, Li Ma, and Wei Cai. "Martensitic Transformation Behavior of Ni_54.75Mn_13.25Fe₇Ga₂₅ Ferromagnetic Shape Memory Thin Film." Key Engineering Materials 474-476 (April 2011): 408–12. http://dx.doi.org/10.4028/www.scientific.net/kem.474-476.408.

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The Ni54.75Mn13.25Fe7Ga25 (at.%) ferromagnetic shape memory thin film was deposited onto silicon substrates using radio-frequency magnetron sputtering. The martensitic transformation, crystallographic structure, microstructure and magnetic-field induced strain were investigated by means of Differential Scanning Calorimetry (DSC), X-ray diffraction (XRD), Transmission Electron Microscope (TEM) and metal strain gauges. The results show that the martensite transformation temperature Ms is 296.6 K, the film with typical self-accommodated morphology is orthorhombic structure at room temperature. Th

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35

Engel, J., J. Chen, and C. Liu. "Strain sensitivity enhancement of thin metal film strain gauges on polymer microscale structures." Applied Physics Letters 89, no. 22 (2006): 221907. http://dx.doi.org/10.1063/1.2397537.

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36

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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Chung, Gwiy-Sang, Hyung-Soon Woo, Sun-Chul Kim, and Dae-Sun Hong. "Fabrication and Characteristics of Tantalum Nitride Thin-Film Strain Gauges." Journal of Sensor Science and Technology 13, no. 4 (2004): 303–8. http://dx.doi.org/10.5369/jsst.2004.13.4.303.

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38

Zheng, Yulan, John Atkinson, and Russell Sion. "An explanation of thermal behaviour of thick film strain gauges." Journal of Physics D: Applied Physics 36, no. 9 (2003): 1153–58. http://dx.doi.org/10.1088/0022-3727/36/9/314.

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39

Liu, Hao, Shuwen Jiang, Hongchuan Jiang, Xiaohui Zhao, and Wanli Zhang. "Preparation and evaluation of PdCr thin film resistive strain gauges." Journal of Physics: Conference Series 939 (December 2017): 012023. http://dx.doi.org/10.1088/1742-6596/939/1/012023.

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40

Zheng, Yulan, John Atkinson, and Russ Sion. "On the zero offset stability of thick film strain gauges." Microelectronics International 19, no. 3 (2002): 24–29. http://dx.doi.org/10.1108/13565360210445014.

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41

Belavic, Darko, Marko Hrovat, Marina Santo Zarnik, et al. "Thick‐film strain gauges on alumina, zirconia and steel substrates." Microelectronics International 20, no. 2 (2003): 41–45. http://dx.doi.org/10.1108/13565360310472194.

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42

Mallem, Siva Pratap Reddy, Peddathimula Puneetha, Dong Yeon Lee, and Sung Jin An. "Strain-Modulated Flexible Bio-Organic/Graphene/PET Sensors Based on DNA-Curcumin Biopolymer." Biomolecules 14, no. 6 (2024): 698. http://dx.doi.org/10.3390/biom14060698.

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In recent years, there has been growing interest in the development of metal-free, environmentally friendly, and cost-effective biopolymer-based piezoelectric strain sensors (bio-PSSs) for flexible applications. In this study, we have developed a bio-PSS based on pure deoxyribonucleic acid (DNA) and curcumin materials in a thin-film form and studied its strain-induced current-voltage characteristics based on piezoelectric phenomena. The bio-PSS exhibited flexibility under varying compressive and tensile loads. Notably, the sensor achieved a strain gauge factor of 407 at an applied compressive

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43

Zeiser, Roderich, Suleman Ayub, Jochen Hempel, Michael Berndt, and Juergen Wilde. "Mechanical Stress Analyses of Packaged Pressure Sensors for Very High Temperatures." International Symposium on Microelectronics 2013, no. 1 (2013): 000723–28. http://dx.doi.org/10.4071/isom-2013-wp45.

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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 micro 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 dies, the chips were mounted with a borosilicate glass-solder on two ceramic substrates, AlN

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44

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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Kaiyan, Huang, Yuan Weifeng, Tong Shuying, and Liu Haidong. "A fabrication process to make CNT/EP composite strain sensors." High Performance Polymers 30, no. 2 (2017): 224–29. http://dx.doi.org/10.1177/0954008316689132.

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Carbon nanotube (CNT)/epoxy resin (EP) conductive composite can be obtained by solidifying the mixture of CNT and EP at specific temperature. The conductivity of the CNT/EP composite rises as the CNT content increases. It has been proven that the electrical resistance of a CNT/EP film varies when it experiences tension or compression. Therefore, the current research focuses on the design of strain sensors, based on the piezoresistivity of CNT/EP composite. In this article, an efficient method used to fabricate CNT/EP sensors is introduced in detail. One main novelty of the present method is th

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Karapepas, Christos, Daisy Nestler, Daniel Wett, and Guntram Wagner. "Annealing effects of high sensitive thin strain gauges consisting of nickel carbon nanocomposites." Journal of Reinforced Plastics and Composites 37, no. 22 (2018): 1378–84. http://dx.doi.org/10.1177/0731684418796309.

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Hybrid laminates consisting of fiber-reinforced thermoplastic films and metallic thin sheets are successively replacing thermoset-based systems due to their obvious advantages of higher formability and the aptitude for mass production. In order to monitor the material under operating condition, hybrid laminates need to be equipped with smart sensor units. Therefore, the aim of the present work is to evaluate the temperature stability of the Ni-C thin film strain gauge sensors. The analyses of the deposited Ni-C films manufactured by means of a magnetron sputtering process were carried out by m

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Chung, Gwiy-Sang. "Characteristics of tantalum nitride thin film strain gauges for harsh environments." Sensors and Actuators A: Physical 135, no. 2 (2007): 355–59. http://dx.doi.org/10.1016/j.sna.2006.07.025.

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Ren, Shuai, Shuwen Jiang, Hao Liu, Wanli Zhang, and Yanrong Li. "Investigation of strain gauges based on interdigitated Ba0.5Sr0.5TiO3 thin film capacitors." Sensors and Actuators A: Physical 236 (December 2015): 159–63. http://dx.doi.org/10.1016/j.sna.2015.11.001.

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Karapepas, Christos, Daisy Nestler, and Guntram Wagner. "Influence of Sputtering Temperature and Layer Thickness on the Electrical Performance of Thin Film Strain Sensors Consisting of Nickel-Carbon Composite." Key Engineering Materials 809 (June 2019): 413–18. http://dx.doi.org/10.4028/www.scientific.net/kem.809.413.

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Hybrid laminates consisting of fibre-reinforced thermoplastic films and metallic thin sheets are successively replacing thermoset based systems due to their obvious advantages of higher formability and aptitude for mass production. In order to monitor the material under operating conditions, hybrid laminates need to be equipped with smart sensor units. Artifact-free integration of commercial strain gauges into hybrid laminates is almost impossible. Therefore, a new thin film strain sensor based on a PVD sputtering process was developed.The aim of this work was to evaluate the influence of the

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Low, K. H., Michael W. S. Lau, and K. K. Low. "Experimental Motion Analysis of Radially Rotating Beams Using High-Speed Camera and Motion Analyzer." Shock and Vibration 3, no. 4 (1996): 293–301. http://dx.doi.org/10.1155/1996/521793.

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Although strain gauges can be attached to a system for vibration analysis, wires connected to the strain gauges may disturb the system and affect the accuracy of the strain measurement. As an alternative, this work presents the use of a high-speed camera combined with a motion analyzer to study the motion of rotating flexible beams. One end of the beam is rigidly connected to a motor, while the other end is free. White stickers placed on selected points on a given beam are the reference points in a digitization process. The modes of the vibrating beams can be filmed and analyzed. The vibration

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