Academic literature on the topic 'Magnetostriction'

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Journal articles on the topic "Magnetostriction"

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Jiang, Cheng Bao, Jing Hua Liu, Fang Gao, and Hui Bin Xu. "Large Linear and Volume Magnetostriction in Fe-Ga Alloys." Materials Science Forum 561-565 (October 2007): 1117–22. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.1117.

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The growth velocity has a significant effect on the preferred orientation of the directionally solidified Fe81Ga19 magnetostrictive alloy. Strong <100> preferred orientation was obtained for a velocity range from 10mm/h to 20mm/h. An excellent magnetostriction λ100 of 294×10-6 was achieved for the <100> oriented crystal at a pre-stress of 74.1MPa. Linear and volume magnetostrictions were investigated in the as-cast Fe81Ga19 alloys with A2 phase by measuring the change in length along the three-dimensional directions of the samples. Due to the contribution of the volume magnetostric
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Aketa, Shunsuke, Mitsuru Ohtake, Eishi Ishikawa, Yuta Nakamura, Tetsuroh Kawai, and Masaaki Futamoto. "Application of electroplated Ni–Fe thick film to magnetostrictive material in vibration power generator." AIP Advances 13, no. 3 (2023): 035201. http://dx.doi.org/10.1063/9.0000616.

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Ni100− xFe x (at. %) films of about 37 μm thickness are electroplated on Cu base plates of 50 mm length, 10 mm width, and 300 μm thickness by varying the composition from x = 0 to 99. They are applied to cantilevers in magnetostrictive vibration power generators. The influences of magnetic and magnetostrictive properties of electroplated film on the vibration power generation property are systematically investigated. The films with x = 41–65 show low coercivities of about 4 Oe reflecting the low magnetocrystalline anisotropy constants. Large negative magnetostriction is recognized for the film
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Koyama, Akihiro, Masaki Fujita, Takehito Ikeuchi, and Muneyuki Imafuku. "Prediction of Magnetostrictive Properties of Fe-Ga Alloy Based on Internal Energy Model with Magnetomechanical Effect." Materials Science Forum 941 (December 2018): 875–78. http://dx.doi.org/10.4028/www.scientific.net/msf.941.875.

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Fe-Ga alloy is expected as energy harvest material having superior magnetostrictive properties. In this study, we compared angle dependence of amount of magnetostriction with ideal magnetostrictive model using cube-oriented single crystal Fe-18mol%Ga alloy. Magnetostriction in [100] of specimen was measured with changing the direction of statical magnetic field H by strain gauge. As a result, the measured magnetostriction could not fully explaind by traditional energy-based model of magnetostriction. We compared measurement result using strain gauge with calculation result using energy-based m
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Dong, Xu Feng, Min Qi, Jin Ping Ou, and Xin Chun Guan. "Uniform High Magnetostrictive Properties of Terfenol-D Composites Prepared by a Dry Process." Materials Science Forum 675-677 (February 2011): 1179–82. http://dx.doi.org/10.4028/www.scientific.net/msf.675-677.1179.

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Magnetostrictive composites were usually fabricated using a wet process. The settlement of particles in liquid polymers due to the gravity results in the inhomogeneous and low magnetostrictive properties. To solve the problem, magnetostrictive composites were prepared using a dry process, and their properties were tested in this paper. Measurement of magnetostriction on different positions along the length direction of the material indicates the magnetostrictive composites prepared by the dry process present uniform properties due to the uniform distribution of the active particles in the poly
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Zhang, Yanli, Hang Zhou, Dianhai Zhang, Ziyan Ren, and Dexin Xie. "Modeling of anisotropic magnetostriction under alternating magnetization based on neural network-FFT model." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 36, no. 6 (2017): 1706–14. http://dx.doi.org/10.1108/compel-12-2016-0567.

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Purpose This paper aims to investigate the magnetostrictive phenomenon in a single electrical steel sheet, which may cause vibration and noise in the cores of transformers and induction motors. A measurement system of magnetostriction is created and the principal strain of magnetostriction is modeled. Furthermore, the magnetostriction property along arbitrary alternating magnetization directions is modeled. Design/methodology/approach A measurement system with a triaxial strain gauge is developed to obtain the magnetostrictive waveform, and the principal strain is computed in terms of the in-p
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Zhang, Shuo, Lian-Chun Long, Jing-Yi Liu, and Yang Yang. "Effect of defects on magnetostriction and magnetic moment evolution of iron thin films." Acta Physica Sinica 71, no. 1 (2022): 017502. http://dx.doi.org/10.7498/aps.71.20211177.

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Magnetostrictive materials have broad application prospects in sensing, control, energy conversion, and information conversion. The improving of the performances and applications of such materials has become a research hotspot, but defects will inevitably appear in the preparation and use of materials. In this study, the magnetostrictive structure model of iron elemental material with no defect or hole defect or crack defect is established by the molecular dynamics method. The influences of different defects on the magnetostrictive behavior of iron thin films are analyzed, and the mechanism of
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Zhang, Pengning, Wenjie Liao, Ning Zhang, Quanjiang Li, Qingshan Cao, and Ying Zhan. "Study on magnetostrictive properties of oriented silicon steel sheet under different working conditions." International Journal of Applied Electromagnetics and Mechanics 75, no. 1 (2024): 73–88. http://dx.doi.org/10.3233/jae-230044.

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Accurate measurement of magnetostriction is the basis for calculating the vibration of silicon steel laminated core. In this paper, a laser magnetostriction measurement system (MST500) is used to study the magnetostriction characteristics of silicon steel under sinusoidal, third harmonic, and DC bias magnetization. The magnetostrictive butterfly curves, time domain waveforms, and spectrum diagrams of silicon steel sheets under different excitations are compared and analyzed. The effects of different operating conditions on the magnetostrictive properties of silicon steel sheets were studied an
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Faltas, Mina, Mark Rodriguez, Luke Soule, et al. "Electrodeposited NiFeCo + Tb and Dy for Enhanced Magnetostrictive Properties and Soft Magnetism." ECS Meeting Abstracts MA2024-02, no. 22 (2024): 1941. https://doi.org/10.1149/ma2024-02221941mtgabs.

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Magnetostrictive thin films have numerous applications in communications, sensors, and microelectronic devices. Such devices usually require magnetostrictive thin films with large magnetostriction and soft magnetic properties. Nickel-Iron-Cobalt alloys can be easily fabricated as thin films in addition to having excellent soft magnetic properties. Their main drawback for these sensing applications is that they have very low magnetostriction. On the other hand, Iron-Rare Earth (RE) alloys such as Fe-Tb-Dy or Fe-Ga have large magnetostriction at the cost of some soft magnetic properties. We repo
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Hathaway, Kristl B., and Arthur E. Clark. "Magnetostrictive Materials." MRS Bulletin 18, no. 4 (1993): 34–41. http://dx.doi.org/10.1557/s0883769400037337.

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Smart materials combine sensors, intelligence, and actuators to allow a material to respond to its environment. Magnetostrictive materials can be used as both the sensors and actuators in such materials. High-power magnetostrictive actuators can deliver forces greater than 50 MPa with strains of up to 0.6%, while other magnetostrictive sensor materials can provide hundreds of times the sensitivity of semiconductor strain gages. Magnetoelastic materials also have adaptable elastic moduli which may be varied by external magnetic fields.Magnetostriction is the change in any dimension of a magneti
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Hao, Xiaowen, Hongwei Liu, Bo Yang, et al. "Large Cryogenic Magnetostriction Induced by Hydrostatic Pressure in MnCo0.92Ni0.08Si Alloy." Materials 16, no. 3 (2023): 1143. http://dx.doi.org/10.3390/ma16031143.

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Giant magnetostriction could be achieved in MnCoSi-based alloys due to the magneto-elastic coupling accompanied by the meta-magnetic transition. In the present work, the effects of hydrostatic pressure on magnetostrictive behavior in MnCo0.92Ni0.08Si alloy have been investigated. The saturation magnetostriction (at 30,000 Oe) could be enhanced from 577 ppm to 5034 ppm by the hydrostatic pressure of 3.2 kbar at 100 K. Moreover, under a magnetic field of 20,000 Oe, the reversible magnetostriction was improved from 20 ppm to 2112 ppm when a hydrostatic pressure of 6.4 kbar was applied at 70 K. In
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Dissertations / Theses on the topic "Magnetostriction"

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Li, Suiqiong. "Development of novel acoustic wave biosensor platforms based on magnetostriction and fabrication of magnetostrictive nanowires." Auburn, Ala., 2007. http://repo.lib.auburn.edu/07M%20Dissertations/LI_SUIQIONG_40.pdf.

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Walker, Travis W. "Experimental Characterization and Modeling of Galfenol (FeGa) Alloys for Sensing." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1343831121.

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Issindou, Valentin. "Matériaux magnétostrictifs de nouvelle génération pour l’énergie." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAT083/document.

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Ces dernières années, les performances des matériaux multiferroïques ont beaucoup progressé avec les composites à deux phases : magnetostrictive et piézoélectrique. Les composites utilisent le couplage entre le magnétisme et la piézoélectricité par le biais de la magnétostriction. On obtient ainsi le contrôle de l’aimantation par le champ électrique électrique et à l’inverse celui de la polarisation électrique par un champ magnétique (ce qui nous intéresse ici). Cela pousse l’électronique vers des solutions plus vertueuses pour l’environnement avec une baisse de la consommation électrique des
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Shoemaker, Katherine L. Shoemaker. "The Mathematical Modeling of Magnetostriction." Bowling Green State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1522694644858063.

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Hollingworth, Martin P. "Magnetostriction studies of spin valve components." Thesis, University of Sheffield, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420790.

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Hart, Ian. "Magnetostriction in strongly correlated electron systems." Thesis, University of Bristol, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259584.

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Thomas, Andrew P. "Magnetostriction in transition metal-metalloid metallic glasses." Thesis, University of Bath, 1991. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.291669.

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Modi, Chetan O. "Nonlinear dynamics of a magnetoelastic system /." Online version of thesis, 1992. http://hdl.handle.net/1850/10849.

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Wang, Liran. "Thermal expansion and magnetostriction studies on iron pnictides." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-39895.

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In this work, a 3-terminal capacitance dilatometer was set up and used for measurements of the thermal expansion and magnetostriction of novel superconducting iron pinictides and related materials. In particular, \re~with R\,=\,La, Ce, Pr, Sm, Gd, \laf~and Ca(Fe$_{1-x}$Co$_x$)$_2$As$_2$ have been investigated. The data on polycrystalline \laf~are the first published thermal expansion data on this material. The lattice effects at the structural and the magnetic phase transition have been investigated and the phase diagram upon F-doping has been studied. A main result is the observation of a pr
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Holley, Steven Keith. "Investigations in modelling magnetostriction by the TLM method." Thesis, University of Hull, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.441587.

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Books on the topic "Magnetostriction"

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C, Smith R., Flatau A. B, and Langley Research Center, eds. An energy-based hysteresis model for magnetostrictive transducers: Prepared for Langley Research Center under contracts NAS1-97046 & NAS1-19480. National Aeronautics and Space Administration, Langley Research Center, 1997.

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Calkins, F. T. An energy-based hysteresis model for magnetostrictive transducers. National Aeronautics and Space Administration, Langley Research Center, 1997.

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C, Smith R., Flatau A. B, and Langley Research Center, eds. An energy-based hysteresis model for magnetostrictive transducers: Prepared for Langley Research Center under contracts NAS1-97046 & NAS1-19480. National Aeronautics and Space Administration, Langley Research Center, 1997.

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Etienne du Trémolet de Lacheisserie. Magnetostriction: Theory and applications of magnetoelasticity. CRC Press, 1993.

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Eindhoven, Technische Hogeschool, ed. A variational approach to magneto-elastic buckling problems. Wibro Dissertatiedrukkerij, 1990.

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International Meeting on Magnetoelastic Effects and Applications (1st 1993 Naples, Italy). Magnetoelastic effects and applications: Proceedings of the First International Meeting on Magnetoelastic Effects and Applications, Naples, Italy, 24-26 May, 1993. Edited by Lanotte L. Elsevier, 1993.

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Gibbs, M. R. J., ed. Modern Trends in Magnetostriction Study and Application. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0959-1.

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Gibbs, M. R. J. Modern Trends in Magnetostriction Study and Application. Springer Netherlands, 2001.

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J, Gibbs M. R., and North Atlantic Treaty Organization. Scientific Affairs Division., eds. Modern trends in magnetostriction study and application. Kluwer Academic Publishers, 2001.

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Westwood, Philip. Microstructure and magnetostriction in terbium-dysprosium-iron alloys. University of Birmingham, 1990.

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Book chapters on the topic "Magnetostriction"

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Weik, Martin H. "magnetostriction." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_10930.

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Burke, Harry E. "Magnetostriction." In Handbook of Magnetic Phenomena. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-011-7006-2_16.

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Ohtake, Mitsuru, Kosuke Imamura, and Masaaki Futamoto. "Magnetostriction." In Handbook of Magnetic Material for Motor Drive Systems. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-19-9644-3_15-1.

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O’Handley, R. C., and S. W. Sun. "Surface Magnetostriction." In NATO ASI Series. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-2590-9_15.

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Sander, Dirk. "Magnetostriction and Magnetoelasticity." In Handbook of Magnetism and Magnetic Materials. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63210-6_11.

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Sander, Dirk. "Magnetostriction and Magnetoelasticity." In Handbook of Magnetism and Magnetic Materials. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63101-7_11-1.

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Gerber, A. "Magnetostriction of Superconductors." In Modern Trends in Magnetostriction Study and Application. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0959-1_8.

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Wakiyama, Tokuo. "Magnetic Anisotropy and Magnetostriction." In Springer Series in Solid-State Sciences. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84158-3_6.

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Hernando, A., M. Vàzquez, J. Barandiaràn, and G. Rivero. "Magnetostriction in Amorphous Ferromagnets." In NATO ASI Series. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-2590-9_43.

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Gibbs, M. R. J. "Magnetostriction in Multilayer Systems." In Modern Trends in Magnetostriction Study and Application. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0959-1_6.

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Conference papers on the topic "Magnetostriction"

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Feng, Zhipeng, Xiaohui Gao, Saisai Tong, and Yongguang Liu. "Magnetic Field Design of Stewart Platform Legs Driven by Magnetostriction." In 2025 International Conference on Electrical Automation and Artificial Intelligence (ICEAAI). IEEE, 2025. https://doi.org/10.1109/iceaai64185.2025.10956453.

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Jarram, Paul. "Remote Measurement of Stress in Carbon Steel Pipelines - Developments in Remote Magnetic Monitoring." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07181.

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Abstract Monitoring the integrity of buried ageing ferromagnetic pipelines is a significant problem for infrastructure operators. Typically inspection relies on pig surveys, Direct Current Voltage Gradient (DCVG), Close Interval Potential Survey (CIPS) and contact Non-destructive testing (NDT) methods that often require pipes to be excavated and exposed at great expense. This paper outlines recent developments in a novel remote sensing technique to detect corrosion, metal defects and the effects of ground movement on pipeline stress by mapping variations in the earth's magnetic field around pi
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Tang, Tian, Oliver Myers, and M. F. Horstemeyer. "A Variational Asymptotic Approach for the Effective Magnetostriction of Magnetostrictive Composites." In ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-8081.

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The effective magnetostriction is one of the most important properties of magnetostrictive composites. The focus of this paper was to extend VAMUCH, a recently developed general purpose micromechanics model, for the effective magnetostriction of the multiphase composites containing magnetostrictive phases. Due to the mathematical similarity, the strains induced by magnetostriction were treated as thermal expansion strains. Thus, the effective magnetostriction can be calculated using VA-MUCH thermoelastic model. Numerical examples were used to validate the theory and the code.
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Armstrong, William D. "A General Magneto-Elastic Model of Terfenol-D Particle Actuated Composite Materials." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1698.

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Abstract A new theory is presented of the nonlinear multi-axial magneto-elastic behavior of magnetostrictive particle actuated composite materials. The analysis assumes a uniform external magnetic field is operating on a large number of well distributed, crystallographically and shape parallel ellipsoidal magnetostrictive particles encased in an elastic, nonmagnetic composite matrix. Comparisons between experimental and model magnetostriction results show that the model is able to provide a quantitatively correct dependence on particulate volume fraction and longitudinal stress and quantitativ
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McKnight, Geoffrey P., and Gregory P. Carman. "Large Magnetostriction in Oriented Particle Terfenol-D Composites." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/ad-23737.

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Abstract Magnetostrictive composite materials have been extensively investigated to overcome limitations of the monolithic form such as frequency response and durability, but have previously shown decreased saturation strain as compared to the monolithic materials. This paper attempts to overcome this limitation by manufacturing composites with particle orientation along a specific crystal axis. Shape anisotropy was used during manufacture to orient needle shaped particles along their longest dimension, near the [112] direction. Measurements reveal that the saturation magnetostriction has been
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Guan, Xinchun, Xufeng Dong, and Jinping Ou. "Predicting relationship between magnetostriction and applied field of magnetostrictive composites." In The 15th International Symposium on: Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, edited by Marcelo J. Dapino and Zoubeida Ounaies. SPIE, 2008. http://dx.doi.org/10.1117/12.776346.

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Sablik, M. J. "Relationship between magnetostriction and the magnetostrictive coupling coefficient for magnetostrictive generation of elastic waves." In QUANTITATIVE NONDESTRUCTIVE EVALUATION. AIP, 2002. http://dx.doi.org/10.1063/1.1472986.

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Yoo, Jin-Hyeong, James B. Restorff, Marilyn Wun-Fogle, and Alison B. Flatau. "Induced Magnetic Anisotropy in Stress-Annealed Galfenol Laminated Rods." In ASME 2008 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2008. http://dx.doi.org/10.1115/smasis2008-636.

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The recent discovery of Iron-Gallium alloy (Galfenol) as a “large” magnetostrictive material (as high as 400 ppm) offers a particularly promising transducer material that combines largely desirable mechanical attributes with superior magnetic properties [1]. The high permeability of this material makes it easy to magnetize, however it also causes a relatively low cutoff frequency in dynamic applications, above which eddy currents form and introduce significant power losses. To reduce the eddy current losses, magnetostrictive drivers used in dynamic applications are commonly laminated. A second
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Kellogg, Rick A., Alison Flatau, Arthur E. Clark, Marilyn Wun-Fogle, and Thomas Lograsso. "Quasi-Static Transduction Characterization of Galfenol." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43140.

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The objective of the work presented is characterization of the magnetoelastic transduction properties of single crystal and textured polycrystalline Fe-Ga alloys (Galfenol) under controlled mechanical, magnetic and thermal conditions. Polycrystalline samples of interest include a directionally solidified specimen, which possesses a favorable saturation magnetostriction output, and an extruded specimen, whose magnetostriction properties were significantly reduced by annealing. A brief discussion of the thermally controlled transducer used for the magnetic testing is presented first. Thereafter,
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Rissing, Lutz H., and Hans H. Gatzen. "Composition Dependent Magnetostrictive Properties of NiFe Thin Films." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0260.

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Abstract In a thin film microtransformcr with a magnetostrictive core, the amount of coupling between the two transformer coils depends on the strain the core is exposed to. Therefore, such a device lends itself to be used as a highly efficient strain gauge. This paper investigates the usefulness of “permalloy”, a NiFe alloy, as a magnetostrictive thin film core material. NiFe 81/19, a composition with a magnetostrictive coefficient close to zero, is widely in use in magnetic data recording. To find a NiFe composition with maximal magnetostriction, the nickel content of NiFe films (which conta
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Reports on the topic "Magnetostriction"

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Thoelke, Jennifer Beth. Magnetization and magnetostriction in highly magnetostrictive materials. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10190712.

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Gulley, Gerald L., Douglas H. Read, James Ellis Martin, Dale L. Huber, Robert Alan Anderson, and Benjamin L. Frankamp. Magnetostriction of field-structured magnetoelastomers. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/877143.

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McDonald, Ross David, Marcelo Jaime, and Scott A. Crooker. Magnetostriction in Pulsed Magnetic Fields. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1042990.

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Shivaram, B., Dagmar Franziska Weickert, and Marcelo Jaime. Pulsed Field Magnetostriction and Metamagnetism in UPt3. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1345912.

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Rose and Luo. L52069 Guided Wave Sizing and Discrimination for SCC Magnetostriction ILI Inspection. Pipeline Research Council International, Inc. (PRCI), 2003. http://dx.doi.org/10.55274/r0011179.

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With the goal to be able to inspect a large area of the pipe from a single sensor position, hence the development of what we call guided wave inspection. From one point on the circumference of the pipe, it is therefore proposed to inspect the entire circumferential area of the pipe. This approach leads to inspection efficiency.� Experimental techniques cannot be developed on a trial and error basis. The purpose of this work is therefore to develop a guided wave propagation model and subsequent numerical solutions to assist in the �theoretically driven� sensor design and data acquisition system
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Yang, Ning. Synchrotron Diffraction Studies of Spontaneous Magnetostriction in Rare Earth Transition Metal Compounds. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/835381.

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Wang, Dexin, Cathy Nordman, Zhenghong Qian, James M. Daughton, and John Myers. Magnetostriction Effect of Amorphous CoFeB Thin Films and Application in Spin Dependent Tunnel Junctions. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada452116.

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Tanaka, H., N. Kurita, M. Koike, Marcelo Jaime, and Dagmar Franziska Weickert. P13631-E002PF: Pulsed field magnetostriction of Ba2CoTeO6. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1345911.

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Gofryk, K., and M. Jaime. Spin-lattice coupling in uranium dioxide probed by magnetostriction measurements at high magnetic fields (P08358-E001-PF). Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1173077.

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Jarram, Paul, Phil Keogh, and Dave Tweddle. PR-478-143723-R01 Evaluation of Large Stand Off Magnetometry Techniques. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010841.

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Abstract:
Monitoring the integrity of buried ageing ferromagnetic pipelines is a significant problem for infrastructure operators. Typically inspection relies on pig surveys, lDCVG, CIPS and contact NDT methods that often require pipes to be uncovered and often at great expense. This report contains the results of trials carried out on a controlled test bed using a novel remote sensing technique known as Stress Concentration Tomography (SCT) which claims to be capable of detecting corrosion, metal defects and the effects of ground movement by mapping variations in the earth's magnetic field around pipel
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