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Journal articles on the topic 'Strain gauge'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Korshunov, V., R. Mudrik, D. Ponomarev, and A. Rodionov. "Approaches to refinement of analytical models for stress-strain state assessments of structures based on the analysis of monitoring system data." Transactions of the Krylov State Research Centre 1, no. 395 (2021): 47–54. http://dx.doi.org/10.24937/2542-2324-2021-1-395-47-54.

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Object and purpose of research. This paper discusses numerical simulation possibilities in terms of stress-strain monitoring for marine engineering structures. This approach can simulate the behavior of strain gauges for both elastic and plastic material behavior. Materials and methods. FEM-based simulation of strain gauge operation process taking into account geometric and physical non-linearity. Main results. Development of refined FE models for sensor installation area of stress-strain monitoring system. Numerical simulation of uniaxial and triaxial strain gauge operation. Time histories of

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Rogacheva, Nelly, Vladimir Sidorov, and Yulia Zheglova. "Piezoelectric Gauge of Small Dynamic Bending Strains." Buildings 14, no. 8 (2024): 2447. http://dx.doi.org/10.3390/buildings14082447.

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This paper is devoted to a new gauge of small dynamic bending deformations of structures. Unlike previously existing strain gauges that measure elongation or compression at a certain point on the surface of a deformable body, the proposed gauge measures the change in curvature at a point on the surface of a deformable body and does not respond to elongation–compression strains. The gauge is a layered bar made of piezoelectric and elastic materials. It functions using the direct piezoelectric effect. In order to competently study the deformed state of a structure at points on a surface, it is n

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Koc, Pino. "On Experimental Determination of Poisson’s Ratio for Rock-like Materials using Digital Image Correlation." Strojniški vestnik - Journal of Mechanical Engineering 70, no. 5-6 (2024): 211–22. http://dx.doi.org/10.5545/sv-jme.2024.966.

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This article compares the two most used strain determination experimental techniques, the strain gauges and the digital image correlation (DIC), which are used here to determine the static Poisson's ratio of rock-like materials under a compressive loading. While the strain gauge technique measures the strains on the small patch of the underlying material on the spot, where the strain gauge is applied, DIC is a novel optical full-field technique that can measure the strains over the entire region of interest of the specimen. The key research question presented in this paper and research signifi

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Gallage, Chaminda, and Chamara Jayalath. "Use of Particle Image Velocimetry (PIV) technique to measure strains in geogrids." E3S Web of Conferences 92 (2019): 12007. http://dx.doi.org/10.1051/e3sconf/20199212007.

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Geosynthetics are widely used in Geotechnical Engineering to reinforce soil/gravel in pavements, retaining wall backfills, and embankments. It is important to measure strains in geogrids in the determination of their strength parameters such as tensile strength and secant stiffness, and in evaluating their performances in geogrid-reinforced structures. Strain gauges are commonly used in measuring strains in geogrids. However, it is important to verify the strains measured by strain gauges as these strains are affected by the data logging device, gauge factors, quality of bonding between grain

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Han, Ji-Hoon, Sung Joon Min, Joon Hyub Kim, and Nam Ki Min. "Reciprocating Arc Silicon Strain Gauges." Sensors 23, no. 3 (2023): 1381. http://dx.doi.org/10.3390/s23031381.

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Currently, silicon-strain-gauge-based diaphragm pressure sensors use four single-gauge chips for high-output sensitivity. However, the four-single-gauge configuration increases the number of glass frit bonds and the number of aluminum wire bonds, reducing the long-term stability, reliability, and yield of the diaphragm pressure sensor. In this study, a new design of general-purpose silicon strain gauges was developed to improve the sensor output voltage while reducing the number of bonds. The new gauges consist grid patterns with a reciprocating arc of silicon piezoresistors on a thin glass ba

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Bednarz, Edward, Christian Dietrich, Brad Hepner, Jay Patel, and Abas Sabouni. "Determining Magnitudes of Forces at Known Locations through a Strain Gauge Force Transducer." Sensors 23, no. 16 (2023): 7017. http://dx.doi.org/10.3390/s23167017.

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A novel strain gauge force transducer was developed to minimize the number of strain gauges needed to determine the magnitudes of loads when the locations are known. This innovative methodology requires only one strain gauge for each force magnitude desired, reducing the complexity and cost associated with traditional approaches. The theory was verified with laboratory experiments. Seven uniaxial strain gauges were attached to the underside of a simply supported, slender, aluminum beam. One or more loads were applied either directly atop strain gauges or in known positions between strain gauge

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Zhao, Yinming, Zhigang Wang, Siyang Tan, et al. "Dependance of Gauge Factor on Micro-Morphology of Sensitive Grids in Resistive Strain Gauges." Micromachines 13, no. 2 (2022): 280. http://dx.doi.org/10.3390/mi13020280.

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The effect of micro-morphology of resistive strain gauges on gauge factor was investigated numerically and experimentally. Based on the observed dimensional parameters of various commercial resistive strain gauges, a modeling method had been proposed to reconstruct the rough sidewall on the sensitive grids. Both the amplitude and period of sidewall profiles are normalized by the sensitive grid width. The relative resistance change of the strain gauge model with varying sidewall profiles was calculated. The results indicate that the micro-morphology on the sidewall profile led to the deviation

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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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9

Kang, Hyunkyoo, Seokjin Kim, Jaehak Shin, and Sunglim Ko. "Inkjet-Printed Flexible Strain-Gauge Sensor on Polymer Substrate: Topographical Analysis of Sensitivity." Applied Sciences 12, no. 6 (2022): 3193. http://dx.doi.org/10.3390/app12063193.

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Inkjet-printed strain gauges on flexible substrates have recently been investigated for biomedical motion detection as well as the monitoring of structural deformation. This study performed a topographical analysis of an inkjet-printed strain gauge constructed using silver conductive ink on a PET (polyethylene terephthalate) substrate. Serpentine strain-gauge sensors of various thicknesses and widths were fabricated using inkjet printing and oven sintering. The fabricated gauge sensors were attached to curved surfaces, and gauge factors ranging from 2.047 to 3.098 were recorded. We found that

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Cristofolini, L., B. P. McNamara, A. Freddi, and M. Viceconti. "In vitro measured strains in the loaded femur: Quantification of experimental error." Journal of Strain Analysis for Engineering Design 32, no. 3 (1997): 193–200. http://dx.doi.org/10.1243/0309324971513337.

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The application of strain gauges to bone surfaces has been extensively employed as a method of determining, strain fields in response to implanted devices in orthopaedics. The aim of this study was to determine some of the experimental errors associated with the use of strain gauges in in vitro experimental investigations of the loaded femur. An experimental protocol was devised to obtain strain data at 20 strain gauged locations on the proximal femur. These data were interpolated using a parametric model. The parametric model was then used to estimate the errors associated with mispositioning

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11

Alci, Muhsin, and Recep Gunes. "A comparison study on experimental characterization of unidirectional fiber reinforced composites using strain-gauges and virtual extensometers." Materials Testing 65, no. 2 (2023): 174–91. http://dx.doi.org/10.1515/mt-2022-0274.

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Abstract The aim of this study is to characterize E-glass/epoxy unidirectional fiber reinforced composites using the digital image correlation method with virtual extensometer, which is a less laborious method than strain gauges, compare the results and investigate whether virtual extensometers can be used instead of strain gauges. Measurements in tensile and Iosipescu shear tests were made with both strain gauge and virtual extensometer. Unlike full-field strain measurements in literature, the strains were measured using virtual extensometers. Tensile test and in-plane shear test results gave

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., Koswara, and Syaiful Arif. "UJI KELURUSAN MESIN RESONANCE 63 KN DENGAN COUPON TEST PESAWAT N219 MENGGUNAKAN STRAIN GAUGE." SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI 32, no. 1 (2022): 72–78. http://dx.doi.org/10.37277/stch.v32i1.1256.

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ABSTRACT  ABSTRACT This study aims to determine the capacity of the resonance machine capacity 63 kn which has the influence of strain in analyzing the static loading stress on the coupon test. The study used a coupon test specimen with a predetermined dimension, using eight strain gauges in a vertical direction, where the response of the strain gauge system was fast enough to sense dynamic strain with a frequency greater than 100 kHz. The strain gauge used was a strain gauge for gauge bridges where the application is easy. The results obtained show that there is no strain and stre

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Shchegolkov, Aleksei V., Alexandr V. Shchegolkov, Vladimir V. Kaminskii, and Maxim A. Chumak. "Polymer Composites with Nanomaterials for Strain Gauging: A Review." Journal of Composites Science 9, no. 1 (2025): 8. https://doi.org/10.3390/jcs9010008.

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Strain gauges and strain gauge transducers are important tools in the field of material resistance research to measure the stresses and strains in solids. These methods and devices have a wide range of applications, from construction to mechanical engineering, where the mechanical properties of materials need to be monitored and optimized. The use of nanomaterials in strain gauges allows for more sensitive and compact sensors. Nanotechnology makes it possible to create strain gauges with improved mechanical and electrical properties. At the same time, nanomaterials have unique properties that

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Vadivuchezhian, K., K. Subrahmanya, and N. Chockappan. "Finite Element Modeling of Effect of Adhesive Layer and Carrier Thickness Used for Strain Gauge Mounting." Advanced Materials Research 1119 (July 2015): 828–32. http://dx.doi.org/10.4028/www.scientific.net/amr.1119.828.

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Metal foil strain gauges are most widely used for the stress analysis in engineering structures. Typical strain gauge system includes strain sensitive grid, carrier material, and adhesive layer. Strain measurement from the strain gauge is partially affected by carrier and adhesive materials and their thickness. In the present work, a Finite Element Model is developed in order to study the effect of both adhesive layer and carrier thickness on strain measurements while using strain gauges. To understand the behavior of the adhesive material, mechanical characterization is done on bulk adhesive

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Raianov, Timur A. "Mathematical modeling of a strain gauge measurement system in MATLAB SIMULINK program." Transportation Systems and Technology 6, no. 2 (2020): 85–93. http://dx.doi.org/10.17816/transsyst20206285-93.

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Background: In recent years, modern strain gauge systems for measuring, which are used in automobile, railway, aviation, and ship transport, as well as in the pulp, paper, and metallurgical industries, have become extremely popular. These metrological systems provide accurate measurement in difficult operating conditions. The most popular among sensors are strain gauges, they are increasingly used in various areas of marine operations and legal proceedings. They are the optimal solution in the field of torque measurement. Aim: The program creates a model of a strain gauge measurement sys

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Choquet, P., R. Leroux, and F. Juneau. "New Fabry-Perot Fiber-Optic Sensors for Structural and Geotechnical Monitoring Applications." Transportation Research Record: Journal of the Transportation Research Board 1596, no. 1 (1997): 39–44. http://dx.doi.org/10.3141/1596-06.

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A new line of fiber-optic sensors suited for structural and geotechnical monitoring purposes is presented. A Fabry-Perot strain gauge is contained in each of the new sensors introduced here: four embedded and surface-type strain gauges and one type of temperature gauge. Described here are the working and reading principles of the basic Fabry-Perot strain gauge. One of the gauge’s features that allows for temperature-compensated or noncompensated measurements is described, and the various sensors constructed around the gauge are presented. These newly developed sensors exhibit high accuracy and

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Lu, Huaxi, Zhicheng Gao, Bitao Wu, and Zhenwei Zhou. "Dynamic and quasi-static signal separation method for bridges under moving loads based on long-gauge FBG strain monitoring." Journal of Low Frequency Noise, Vibration and Active Control 38, no. 2 (2019): 388–402. http://dx.doi.org/10.1177/1461348418822375.

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Structural health monitoring is an important means of obtaining the state information of bridges, and the extracted quasi-static strain signal can reflect the stress state of bridges directly. However, the strain signals acquired during the operation stage of bridges are dynamic, and the strain gauges used in the health monitoring system are short (no more than 10 cm), which means they are easily affected by small damage at the installation parts of bridges and thereby the monitoring signal abnormalities occur. A type of externally affixed long-gauge fiber strain gauge is used to monitor the h

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LEE, C. S., N. L. WONG, S. SRIGRAROM, and N. T. NGUYEN. "DEVELOPMENT OF 3-COMPONENT FORCE-MOMENT BALANCE FOR LOW SPEED WATER TUNNEL." Modern Physics Letters B 19, no. 28n29 (2005): 1575–78. http://dx.doi.org/10.1142/s0217984905009948.

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An effort is made to develop a new 3-component force-moment balance, which is capable of measuring lift force, drag force and pitching moment of a model mounted in the water tunnel. The concept used in the balance design is the bending- beam principle. The forces acting on the spring element cause strains on its surface, which are measured by strain gauges. Since strain yielded by the axial force is usually very small, therefore it is not practical to measure axial force using strain gauge directly to sense the strain in axial direction. The main idea of the new balance design is to translate

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19

Milgrom, Charles, David Burr, David Fyhrie, et al. "The Effect of Shoe Gear on Human Tibial Strains Recorded During Dynamic Loading: A Pilot Study." Foot & Ankle International 17, no. 11 (1996): 667–71. http://dx.doi.org/10.1177/107110079601701104.

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The study was conducted to test the hypothesis that alterations in shoe gear can affect tibial strains in the human during dynamic loading. Rosette strain gauges were mounted on the medial border of the mid-diaphysis in two human subjects with a new strain gauge bonding technique using methyl methacrylate. Strain measurements were made at this site, the most frequent location for stress fractures in the Israeli Army during treadmill walking and free running while wearing various sport shoes (Rockport ProWalkers and New Balance NBX 900) and army boots (light Israeli infantry, double layered sol

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Tutak, Piotr. "Application Of Strain Gauges In Measurements Of Strain Distribution In Complex Objects." Journal of Applied Computer Science Methods 6, no. 2 (2014): 135–45. http://dx.doi.org/10.1515/jacsm-2015-0004.

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Abstract This article presents an application of strain gauges in measurements of strain which occurs in charge air cooler during the thermal cycle test. The work shows the main idea of measuring system based on strain gauges and important aspects that should be considered when performing measurement. In this article there has been also presented construction and principle operation of a strain gauge measurement system.

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Sasaki, Yasushi, Manabu Iguchi, and Mitsutaka Hino. "Measuring Strains for Hematite Phase in Sinter Ore by Electron Backscattering Diffraction Method." Key Engineering Materials 326-328 (December 2006): 237–40. http://dx.doi.org/10.4028/www.scientific.net/kem.326-328.237.

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Based on the relationship between quantified blurring degree of Kikuchi bands obtained by an electron backscattering diffraction (EBSD) technique and macroscopic strains measured by a strain gauge, the local compression strain SEBSD in sinter ore has been evaluated under various conditions. There is a good linear relationship between the SEBSD and the strains measured by a strain gauge. The local strain SEBSD evaluated by EBSD patterns can be used as an index of local strains.

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Bicalho, AA, ADCM Valdívia, BCF Barreto, D. Tantbirojn, A. Versluis, and CJ Soares. "Incremental Filling Technique and Composite Material—Part II: Shrinkage and Shrinkage Stresses." Operative Dentistry 39, no. 2 (2014): e83-e92. http://dx.doi.org/10.2341/12-442-l.

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SUMMARY Objectives Finite element analysis (FEA) was used to study polymerization shrinkage stress in molars restored with composites and to correlate those stresses with experimentally measured tooth deformation. Methods Three composites (Filtek LS, Aelite LS Posterior, Filtek Supreme) and three filling techniques (bulk, 2.0-mm increments, and 1.0-mm increments) for restoring a molar were simulated in a two-dimensional FEA. Polymerization shrinkage was modeled using post-gel shrinkage, which was measured using the strain gauge technique (n=10). Cuspal tooth deformation, measured at the buccal

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Gill, R. C., J. E. Kellow, C. Browning, and D. L. Wingate. "The use of intraluminal strain gauges for recording ambulant small bowel motility." American Journal of Physiology-Gastrointestinal and Liver Physiology 258, no. 4 (1990): G610—G615. http://dx.doi.org/10.1152/ajpgi.1990.258.4.g610.

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Perfused-tube manometry has hitherto been the standard technique for recording intraluminal intestinal pressure in humans, but it is unsuitable for ambulant use. The aim of our study was to evaluate the ability of resistive strain gauge transducers attached to a fine catheter to detect pressure change. Simultaneous strain gauge and perfused-tube manometry was performed on six fasting subjects; in four, strain gauge activation was continuous and in two, the transducers were activated in a pulsed mode with data encoded as a pulse train with an approximate frequency of 20 Hz. Eight thousand eight

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Gower, Michael R. L., and Richard M. Shaw. "Towards a Planar Cruciform Specimen for Biaxial Characterisation of Polymer Matrix Composites." Applied Mechanics and Materials 24-25 (June 2010): 115–20. http://dx.doi.org/10.4028/www.scientific.net/amm.24-25.115.

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This paper details work undertaken towards the development of a standard test method for the biaxial response of planar cruciform specimens manufactured from carbon fibre-reinforced plastic (CFRP) laminates and subject to tension-tension loading. Achieving true biaxial failure in a cruciform specimen without the need for the inclusion of a stress raiser, such as a hole, in the gauge-section, is a subject attracting much research globally and is by no means a trivial exercise. Coupon designs were modelled using finite element analysis (FEA) in order to predict the stress and strain distribution

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Whelan, M. P., P. O'Donnell, and E. G. Little. "Modelling an orthopaedic knee prosthesis as a layered elastic system part 1: Experimental and theoretical analyses." Journal of Strain Analysis for Engineering Design 30, no. 3 (1995): 185–93. http://dx.doi.org/10.1243/03093247v303185.

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The purpose of this investigation was to produce a simplified model of the plastic tibial plateau of a typical unicondylar knee prosthesis that would allow the parametric study of contact stresses experienced by the plastic component during relatively severe loading conditions. This involved the design, production and testing of a three-dimensional axisymmetric embedded strain gauge model of the tibial plateau and the application of a suitable theoretical analysis. The principal feature of the strain gauge model was the possibility of varying the thickness during the experimental procedure whi

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Ling, Hang Yin, Alan Kin Tak Lau, Li Cheng, J. Wei, R. S. Thomson, and M. L. Scott. "An Embedded FBG Sensor for Dynamic Strain Measurement for a Clamped-Clamped Composite Structure." Key Engineering Materials 295-296 (October 2005): 21–26. http://dx.doi.org/10.4028/www.scientific.net/kem.295-296.21.

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A comparison of strain measurement results, from an embedded fibre-optic Bragg grating (FBG) sensor and surface mounted strain gauge, at different vibration frequency ranges and using a clamped-clamped glass fibre composite beam, is presented. It is shown that the FBG sensor is able to precisely measure the peaks at the first-two natural frequency modes compared with the spectrum captured from the strain gauge. The results also demonstrate that the strains measured from the FBG sensor agreed well with the strain gauge at frequencies below 100 Hz. Beyond this value, the actual strain on the bea

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Han, Ji-Hoon, Sung Joon Min, Eun-Sang Lee, Joon Hyub Kim, and Nam Ki Min. "Half-Bridge Silicon Strain Gauges with Arc-Shaped Piezoresistors." Sensors 23, no. 20 (2023): 8390. http://dx.doi.org/10.3390/s23208390.

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Half-bridge silicon strain gauges are widely used in the fabrication of diaphragm-type high-pressure sensors, but in some applications, they suffer from low output sensitivity because of mounting position constraints. Through a special design and fabrication approach, a new half-bridge silicon strain gauge comprising one arc gauge responding to tangential strain and another linear gauge measuring radial strain was developed using Silicon-on-Glass (SiOG) substrate technology. The tangential gauge consists of grid patterns, such as the reciprocating arc of silicon piezoresistors on a thin glass

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Lin, Haoran, Zhaowen Xu, Wan Hong, Zhihong Yang, Yixin Wang, and Bing Li. "Long-Gauge Fiber Optic Sensors: Strain Measurement Comparison for Reinforced Concrete Columns." Sensors 25, no. 1 (2025): 220. https://doi.org/10.3390/s25010220.

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Long-gauge fiber optic sensors have proven to be valuable tools for structural health monitoring, especially in reinforced concrete (RC) beam structures. While their application in this area has been well-documented, their use in RC columns remains relatively unexplored. This suggests a promising avenue for further research and development. This paper presents a thorough comparison of long-gauge fiber optic sensors and traditional measurement tools when used to monitor RC columns under small eccentric compressive loading. The evaluation focuses on the stability and precision of each sensor typ

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Bacaicoa, J., X. Iriarte, J. Aginaga, and A. Plaza. "Mechanical sensitivity analysis of strain gauge configurations in the main shaft of wind turbines." Journal of Physics: Conference Series 2265, no. 3 (2022): 032087. http://dx.doi.org/10.1088/1742-6596/2265/3/032087.

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Abstract Wind turbines are reaching their remaining useful life, thus it is important to guarantee the well status of its components. A common way to check the status is to measure the loads on the Low Speed Shaft with strain gauges, but not always are bonded perfectly. In this work a sensitivity analysis of strain gauge configurations is carried out, where the influence of geometric and material parameters, and misplacement and misalignment parameters is analyzed. An analytical model for a single gauge was developed, obtaining a relation between the exerted loads and the strain measured by th

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Huang, Y. H., L. Liu, F. C. Sham, Y. S. Chan, and S. P. Ng. "Optical strain gauge vs. traditional strain gauges for concrete elasticity modulus determination." Optik 121, no. 18 (2010): 1635–41. http://dx.doi.org/10.1016/j.ijleo.2009.03.002.

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Marcinczak, Dorota, and Tomasz Trapko. "DIC (Digital Image Correlation) method in the research of RC beams strengthened with PBO-FRCM materials." E3S Web of Conferences 97 (2019): 03008. http://dx.doi.org/10.1051/e3sconf/20199703008.

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The article presents tests of a reinforced concrete beam strengthened in a shear with PBO-FRCM composite materials. Measurement of the deformation of the composite was carried out using two methods - with strain gauges and the optical DIC method (Digital Image Correlation). The DIC method consists in taking a series of photographs of the tested object before and during loading. The surface of the tested element must have randomly spaced spots that are applied to the object before measurement. During the study, the cameras monitor the shifting of spots against each other, which in comparison to

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Xia, Zi Hui, and Jie Chen. "An Alternative Method for Strain-Controlled Fatigue Test at Elevated Temperature." Key Engineering Materials 734 (April 2017): 202–5. http://dx.doi.org/10.4028/www.scientific.net/kem.734.202.

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For strain-controlled fatigue tests, especially at elevated temperature, implementation of knife-edges and punching dimples within gauge length of specimen may cause premature failure on the test section. In this paper, an alternative approach is introduced to control and measure the strains in fatigue tests. Two dimples outside the gauge length section are punched and used to mount the extensometer. The correlation between the controlled (measured) strain and the strain within the gauge length section is established. By comparing the hysteresis loops obtained through the correlation and the o

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Bakkehøi, S., K. Øien, and E. J. Førland. "An Automatic Precipitation Gauge Based on Vibrating-Wire Strain Gauges." Hydrology Research 16, no. 4 (1985): 193–202. http://dx.doi.org/10.2166/nh.1985.0015.

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The Norwegian Geotechnical Institute, NGI, has recently developed and tested a new automatic precipitation gauge for rain and snow which can measure accumulated precipitation with a resolution better than 0.1 mm. The gauge, which is a direct weighing device, is based on the use of vibrating-wire strain gauges. NGI's prototype instrument has a capacity of up to 300 mm precipitation before the gauge must be emptied. A new improved version designed by Geonor has a capacity of 600 mm precipitation. A diagram showing the relationship between the automatic observations and the manual measurements is

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Ballivy, Gérard, Brahim Benmokrane, and Omar Chaallal. "Déformations générées dans les bétons sous l'influence des conditions climatiques." Canadian Journal of Civil Engineering 18, no. 6 (1991): 1088–92. http://dx.doi.org/10.1139/l91-132.

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This paper presents the results of an experimental study of strains generated in concrete by variations in climatic conditions. Three 0.16 m3 concrete blocks, instrumented with vibrating wires strain gauges, were exposed to various environmental conditions (drying–wetting) during approximately 3 years and strains were measured. The study shows that concrete strains induced by environmental agents acting alone can reach levels that may jeopardize the structural integrity of concrete structures exposed to similar conditions, when the boundary conditions cannot accommodate the resulting extensive

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Baker, Spencer A., McKay D. McFadden, Emma E. Bowden, Anton E. Bowden, Ulrike H. Mitchell, and David T. Fullwood. "Accounting for Viscoelasticity When Interpreting Nano-Composite High-Deflection Strain Gauges." Sensors 22, no. 14 (2022): 5239. http://dx.doi.org/10.3390/s22145239.

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High-deflection strain gauges show potential as economical and user-friendly sensors for capturing large deformations. The interpretation of these sensors is much more complex than that of conventional strain gauges due to the viscoelastic nature of strain gauges. This research endeavor developed and tested a model for interpreting sensor outputs that includes the time-dependent nature of strain gauges. A model that captures the effect of quasi-static strains was determined by using a conventional approach of fitting an equation to observed data. The dynamic relationship between the strain and

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Peng, Hang, Bintuan Wang, Yu Ning, Shancheng Cao, and Mabao Liu. "Strain Gauge Location Optimization for Operational Load Monitoring of an Aircraft Wing Using an Improved Correlation Measure." Applied Sciences 14, no. 19 (2024): 9078. http://dx.doi.org/10.3390/app14199078.

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Operational loads of an aircraft are the prerequisite for assessing its safety or fatigue life. Traditionally, numerous strain gauge sensors are installed to monitor the operational loads, which inevitably increase the weight and system complexity of the aircraft. Therefore, in order to decrease the maintenance costs and data redundancy, the number and location of strain sensors should be optimized for accurate and reliable operational load monitoring. In this paper, a novel two-stage strain gauge location optimization method is proposed to reduce the number of strain gauges while maintaining

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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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Gao, Jiazi, Bei Liu, Min Zhang, He Gong, and Bingzhao Gao. "Strain Distribution Evaluation of Rat Tibia under Axial Compressive Load by Combining Strain Gauge Measurement and Finite Element Analysis." Applied Bionics and Biomechanics 2019 (December 1, 2019): 1–14. http://dx.doi.org/10.1155/2019/1736763.

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This study is aimed at providing an effective method for determining strain-load relationship and at quantifying the strain distribution within the whole tibia under axial compressive load on rats. Rat tibial models with axial compressive load were designed. Strains in three directions (0°, 45°, and 90°) at the proximal shaft of the tibia were measured by using a strain gauge rosette, which was used to calculate the maximum and minimum principal strains. Moreover, the strain at the midshaft of the tibia was measured by a single-element strain gauge. The slopes of the strain-load curves with di

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Weiss, J. D. "Fiber-optic strain gauge." Journal of Lightwave Technology 7, no. 9 (1989): 1308–18. http://dx.doi.org/10.1109/50.50709.

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Maundy, Brent, and Stephan J. G. Gift. "Strain Gauge Amplifier Circuits." IEEE Transactions on Instrumentation and Measurement 62, no. 4 (2013): 693–700. http://dx.doi.org/10.1109/tim.2013.2246904.

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Gal'chenko, V. D., Yu L. Polunov, V. G. Urakov, Yu N. Fufaev, and R. I. Yanbulatov. "Periodic strain-gauge feeders." Chemical and Petroleum Engineering 28, no. 1 (1992): 48–55. http://dx.doi.org/10.1007/bf01156711.

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Heerens, Willem Chr, and Sergei D. Tarasenko. "The absolute strain gauge." Sensors and Actuators A: Physical 27, no. 1-3 (1991): 829–33. http://dx.doi.org/10.1016/0924-4247(91)87095-k.

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Gridchin, V. A., V. M. Lubimskyi, and M. P. Sarina. "Polysilicon strain-gauge transducers." Sensors and Actuators A: Physical 30, no. 3 (1992): 219–23. http://dx.doi.org/10.1016/0924-4247(92)80124-l.

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Kyrtsos, Christos T. "Strain gauge vibration sensor." Journal of the Acoustical Society of America 111, no. 4 (2002): 1513. http://dx.doi.org/10.1121/1.1479043.

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Tarsa, Peter B., Diane M. Brzozowski, Paul Rabinowitz, and Kevin K. Lehmann. "Cavity ringdown strain gauge." Optics Letters 29, no. 12 (2004): 1339. http://dx.doi.org/10.1364/ol.29.001339.

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Beklemishchev, A. I. "Automatic strain-gauge simulator." Measurement Techniques 28, no. 12 (1985): 1056–59. http://dx.doi.org/10.1007/bf00862794.

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Yu, Feng, and Michael T. Hendry. "A new strain gauge configuration on the rail web to decouple the wheel–rail lateral contact force from wayside measurement." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 233, no. 9 (2019): 951–60. http://dx.doi.org/10.1177/0954409718822870.

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The simultaneous presence of bending moments and torques produced by the lateral and vertical contact forces between the wheel and the rail generates a complex strain state on the rail surface, which makes it difficult to identify the strain signals produced purely from the lateral contact force. In this study, a new strain gauge configuration is proposed to decouple strain signals of the wheel–rail lateral contact force from wayside measurements by analyzing the bending strains on the rail web using a full Wheatstone bridge. For this purpose, a finite element modeling of the wheel–rail contac

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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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Boursier Niutta, Carlo, Andrea Tridello, Raffaele Ciardiello, and Davide S. Paolino. "Strain Measurement with Optic Fibers for Structural Health Monitoring of Woven Composites: Comparison with Strain Gauges and Digital Image Correlation Measurements." Sensors 23, no. 24 (2023): 9794. http://dx.doi.org/10.3390/s23249794.

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In this work, the strains measured with optic fibers and recorded during tensile tests performed on carbon/epoxy composite specimens were compared to those recorded by strain gauges and by Digital Image Correlation (DIC). The work aims at investigating the sensitivity of embedded and glued optic sensors for structural health monitoring applications in comparison with strain gauges and the full field strain map of the DIC. Acrylate, polyimide optic fibers, and three strain gauge sizes are considered to compare the three techniques. Results show hard polyimide-coated sensors are more sensitive t

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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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