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   Transducers, Magnetostrictive

Magnetostriction (or the Joule effect) is a property of ferromagnetic materials that causes them to change their shape when subjected to a magnetic field. The effect was first identified in 1842 by James Joule when observing a sample of nickel.



Bronze Partners
AMETEK
Greenwich Electronics
Honeywell Lebow
Invensys Sensor Systems
JEMA
Kobold Instruments Inc.
Magnova Inc.
MEDER electronic Inc.
Micronor Inc
MTS Systems Corp
Raytheon Electronic Systems
Schaevitz Sensors
SensComp Inc.
Sentech Inc.
Spinix Corporation
Sypris Test & Measurement (F. W. Bell)
Xensor Corp.
Fixed and programmable amplifiers - Frequency Devices

 

Books
An energy-based hysteresis model for magnetostrictive transducers prepared for Langley Research Center under contracts NAS1-97046 & NAS1-19480 (SuDoc NAS 1.26:206246)
F. T. Calkins

An energy-based hysteresis model for magnetostrictive transducers (ICASE report) (ICASE report)
F. T Calkins

The equivalent circuit in the mobility analogy of a magnetostrictive transducer in the presence of eddy currents (NRL report) (NRL report)
S. W Meeks

Highly active magnetostrictive transducers
John L Butler

Handbook of Giant Magnetostrictive Materials (Electromagnetism)
Göran Engdahl

Excerpt - page 52: "... AND MICROSTRUCTURES OF GIANT MAGNESTOSTRICTIVE MATERIALS The ideal room-temperature giant magnetostrictive transducer element would be a defect-free, single-crystal of TERFENOL-D (T Dy0 ..."
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Introduction to the Theory and Design of Sonar Transducers
Oscar Wilson

Excerpt - page 122: "... symmetrically about its center. The theory of the flexural plate transducer is given by Woollett (11). ... induced by either piezoelectric or magnetostrictive effects in the vibrator bar ..."
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Principles of Vibration and Sound, 2e
Thomas D. Rossing and Neville Fletcher

Excerpt - page 247: "... to the surrounding water. In the case of a piezoelectric transducer, the exciting voltage is easily applied between the metal plate and a thin metallic coating on the other surface of the crystal, while for a magnetostrictive transducer the material may be formed as an array of ..."
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Magnetostrictive torque sensors: Analysis of performance limits (SAE) (SAE)
William J Fleming

Ultrasonics (Mechanical Engineering (Marcell Dekker))
Dale Ensminger

Excerpt - page 8: "... The device may be a whistle, a piezoelectric plate, a magnetostrictive stack driving a piston, a ... devices or magnetostrictive devices. Piezoelectric transducers may be used throughout the ultrasonic range of frequencies. Magnetostrictive ..."
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Linear Position Sensors: Theory and Application
David S. Nyce

Excerpt - page 4: "... transducer (such as a fixed reference datum in an absolute transducer ), or it can be ... the measuring range of a magnetostrictive absolute linear position transducer. This transducer measures the location of ..."
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Electronic Gadgets for the Evil Genius : 28 Build-It-Yourself
Robert E. Iannini and Robert Iannini

Excerpt - Front Matter: "... hobbyist-level projects. Ultrasonic energy is produced by a piezoelectric or magnetostrictive transducer powered by a signal generator. Ultrasonics can be used for ..."
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The Fisherman's Electrical Manual
John C. Payne

Excerpt - page 111: "... Sonar and Fish Finders 111 WHAT IS A MAGNETOSTRICTIVE TRANSDUCER? The magnetostrictive transducer uses the principle of magnetostriction. This causes ..."
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Fundamentals of Acoustics
Lawrence E. Kinsler, Austin R. Frey, Alan B. Coppens, and James V. Sanders

Excerpt - page 390: "... in air or water. Specific examples will be confined to transducers used in air. More detailed considerations of loudspeakers and electrostatic, piezoelectric, ferroelectric, and magnetostrictive transducers can be found in a number of textbooks.' Throughout ..."
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Electronic Properties of Materials
Rolf E. Hummel

Excerpt - page 355: "... as for transformers (e.g., for communication equipment). magnetic sensors, or magnetostrictive transducers. 17.3. Permanent Magnets (Hard Magnetic Materials) Permanent magnets are devices ..."
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The Technician's Radio Receiver Handbook
Joseph J. Carr

Excerpt - page 160: "... ppm. The mechanical filter consists of three basic parts: the transducers, the mechanically resonant disks, and the disk coupling rods. The transducer is a magnetostrictive device that converts electrical energy to mechanical vibrations and vice ..."
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Rock Mechanics
B.H.G. Brady and E.T. Brown

Excerpt - page 551: "... self- inductance coil, strain gauged cantilever or vibrating wire displacement transducers, or by a magnetostrictive (sonic probe) transducer. Further details and examples of instrumentation types ..."
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Composite Materials for Aircraft Structures (AIAA Education)
Alan A. Baker, Stuart Dutton, and Donald Kelly

Excerpt - page 545: "... changes or to develop sufficient loads in many practical situations.`' Magnetostrictive transducers allow higher forces than the piezoelectric materials and should prove ..."
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The Complete Part Design Handbook: For Injection Molding Of Thermoplastics
E. Alfredo Campo

Excerpt - page 484: "... 484 Figure 8-113 Commercially available ultrasonic welders Ultrasonic welder with transducer magnetostrictive 8 Thermoplastic Assembly Methods xi'di ~ t .igure 8-114 ..."
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Materials and Processes in Manufacturing
E. Paul DeGarmo, J. T. Black, and Ronald A. Kohser

Excerpt - page 700: "... a simple schematic of this process. USM uses piezoelectric or magnetostrictive transducers to impart high-frequency vibrations to the toolholder and tool. Abrasive ..."
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Principles of Applied Biomedical Instrumentation
L. A. Geddes and L. E. Baker

Excerpt - page 83: "... ttcctscs loss-soltagc clean-wr- rent from the couscilc and awsates the transducer Magnetostrictive transducer is rugged and htghlr stab]--COnvcrts -lccrromaKncnc encrgs into mcthamcal ..."
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Flat Rolling Fundamentals (Manufacturing Engineering and Materials Processing)
Vladimir B. Ginzburg and Robert Ballas

Excerpt - page 567: "... direction of displacement. Another modification of a digital induction type transducer is known as Inductosyn. The ... are used in Inductosyn. 23.7 Magnetostrictive Position Transducers A magnetostrictive position transducer that was developed by ..."
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The Measurement, Instrumentation and Sensors Handbook
John G. Webster

Excerpt - page 165: "... some polymers like PVDF (polyvinylidene fluoride). Polymers are suitable as transducers in air since their acoustic ... a receiver [I I]. The magnetostrictive transducer is based on the phenomenon of magnetostriction, which means ..."
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Designers' Handbook for Electrohydraulic Servo and Proportional Systems
Jack L Johnson

Excerpt - page 400: "... final package envelope dimensions. They are not the most expensive transducers, but neither are they the least expensive. The magnetostrictive transducer uses a sonar-like process to detect position. In Figure ..."
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Electronic Technology Handbook
Neil Sclater

Excerpt - page 442: "... around and find the target with its own active sonar. MAGNETOSTRICTIVE TRANSDUCERS Magnetostrictive transducers for projecting sonar signals underwater are made from ..."
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Computational Ocean Acoustics (Aip Series in Modern Acoustics and Signal Processing)
Finn B. Jensen, William A. Kuperman, Michael B. Portor, and Henrik Schmidt

Excerpt - page 8: "... mention them in this section for reference and completeness. A transducer converts some sort of energy ... In underwater acoustics, piezoelectric and magnetostrictive transducers are commonly used. The piezoelec- tric effect is a ..."
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Geotechnical Instrumentation for Monitoring Field Performance
John Dunnicliff

Excerpt - page 107: "... displacement is determined from a frequency /displacement calibration. Induction coil transducers have excellent long- term stability. ... be protected from corrosion. 8.4.13. Magnetostrictive Transducer The magnetos trictive transducer (Hawkes, 1978) is used in ..."
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Sound Engineer's Pocket Book, Second Edition
Michael Talbot-Smith

Excerpt - page 192: "... high g Good transmitter: high d, low g Electromagnetic acoustic transducers (EMAT) Detection using an EMAT is illustrated in Figure 145 and Figure 146. Magnetostrictive transducers A change in the dimensions of the material results ..."
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An Introduction to Underwater Acoustics
Xavier Lurton

Excerpt - page 139: "... or rare earths (e.g., Terfenol). More expensive than piezoelectric devices, magnetostrictive transducers have poor efficiency and a narrow frequency bandwidth. But they ..."
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Electronic Navigation Systems, Third Edition
Laurie Tetley and David Calcutt

Excerpt - page 43: "... systems 43 Beam spreading Chart recorder Continuous wave system Electrostrictive transducer Magnetostrictive transducer Pulse duration (length) Pulse repetition frequency (PRF) Pulse wave ..."
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Handbook of Human Vibration
M. J. Griffin

Excerpt - Back Matter: "... otoliths. magnet ostrielive vibrator A vibration generator which has a magnetostrictive transducer as its force-generating element. magnitude Measure of largeness, size, or ..."
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Process Selection, Second Edition
K G Swift and J. D. Booker

Excerpt - page 174: "... titanium and glass. Process variations Vibrations are either piezo-electric or magnetostrictive-transducer generated. Tool materials vary with application and allowable tool wear ..."
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Magnetic Sensors and Magnetometers (Artech House Remote Sensing Library)
Pavel Ripka

Excerpt - page 360: "... layer deposited on the fiber surface. The strain of the magnetostrictive transducer caused by an applied magnetic field causes a length change ..."
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RF Components and Circuits
Joe Carr

Excerpt - page 171: "... are available in frequencies between 60 kHz and 600 kHz. Magnetostrictive transducers are located at either end of the filter to translate ..."
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Adaptive Structures: Dynamics and Control
Robert L. Clark, William R. Saunders, and Gary P. Gibbs

Excerpt - page 154: "... physics of the dynamic system before it can be controlled. Magnetostrictive Materials Magnetostrictive materials, like piezoceramic ... diagram of a typical magnetostrictive transducer is depicted in Figure 5.3. As illustrated, the active material, ..."
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Handbook for Critical Cleaning: Aqueous, Solvent, Advanced Processes,Surface Preparation, and Contamination Control
Barbara Kanegsberg and Edward Kanegsberg

Excerpt - page 209: "... to vibratory mechanical energy but do it using different means. Magnetostrictive Magnetostrictive transducers utilize the principle of magnetostriction in which certain materials expand ..."
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Instrument Engineers' Handbook, Third Edition: Process Measurement and Analysis
Bela Liptak

Excerpt - page 520: "... is used as the conductor of the ultrasonic pulse, the transducer is located within the vessel ... WIRE SENSOR DAMPING PAD OR MAGNETOSTRICTIVE I 2nd LEAD-IN & ALLOY L J SENSOR FIG. 4.18d ..."
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Electronic Filters, Amplifiers & Oscillators - Frequency Devices
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