Rare Earth Giant Magnetostrictive Material and its application
Terfenol-D is an Rare Earth alloy comprised of Terbium, Dysprosium and Iron. In China, it is normally called TbDyFe alloy.A-one Alloy is one of the leading suppliers of Terfenol-D products in China, with the ability to provide customized shapes like ring, plate, square bar, bar with axial holes.
As a kind of smart material having functions of transducing, actuating and sensing. It can be applied in sonic transducer, underwater transducer, ultrasonic transducer, vibrator, pricision displacement actuator and sensor etc. For example, it can be used in speaker, the ultrahigh precision machine tools, robot, high precision valve and pumps, large power underwater sonar generators and atictive control of noice and vibrations etc, with characteristics of large power, long stroke, high efficiency, broad bandwidth, fast response and high reliability.
On the basis of the material, A-one Alloy has also put great effort on the development of GMM applied device resulting in a number of new products such as the mini speakers, the music wall speakers, underwater speakers, the smart vibratory stress reliefe device, the vibratory welding conditioning device and various actuators etc.
The music wall speakers is a kind of flat panel speaker without traditional cone speakers. It uses GMM sonic transducers driving a wood sound board to vibrate so as to make sound just mimicing the instrument playing. The thin box-shaped speaker can be installed as part of the wall as invisible speakers or just hung on the wall as a work of art such as oil paitings. This revolutionary new speaker repoduces sound and music perfectly with much improved clearity and authenticity just like musicians playing the instrument on site.
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