Effects of Thermal Annealing and Pulsed Photon Processing on the Magnetomechanical Properties of the Amorphous Fe79.3P18.2V2.5 Alloy

Braun, V. V.; Vavilova, V. V.; Иевлев, В. М.; Kalinin, Yu. E.; Kovneristyĭ, Yu. K.; Palii, N. A.; Perov, A. V.; Serbin, O. V.

doi:10.1007/s10789-005-0198-6

Cited by 2 publications

(1 citation statement)

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“…This rotation will be accompanied by a magnetostrictive strain . The total strain produced by the stress is thus the sum of the strain found in ordinary elastic materials and the magnetostrictive strain [6]. The variation of strain in the sensor is, consequently, proportional to the variation of strain on the plate.…”

Section: Sensor Operationmentioning

confidence: 99%

Magnetoelastic Strain Sensor for Optimized Assessment of Bone Fracture Fixation

2009

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Abstract-In orthopedic surgery, measuring the strain in an internal plate over time makes it possible to monitor the bone fracture healing process. Magnetoelastic sensing provides a wireless, highly sensitive, and low-cost technique for measuring strain. An amorphous ribbon is bonded to the implant plate and an emitter/receiver unit is placed outside the patient's body. Bonding the sensor to a plane surface decreases its output signal intensity due to an increase of the magnetic anisotropy. To overcome this problem, we demonstrate a sensor signal detection system, which increases the signal-to-noise ratio. This system is based on a pair of flat miniaturized coils that can be put on the patient's skin. This technology is then applied to measure strain in a plate that supports a fractured generic bone under static loading conditions. The sensor output responses are presented and the high accuracy values obtained are given.

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Section: Sensor Operationmentioning

confidence: 99%