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Because of the following characteristics of the giant magnetostrictive material-large strain, high reliability, large energy density, fast response speed, broad response bandwidth, and intelligent response, it makes a tremendous breakthrough in the application of the products that can change electrical or magnetic energy into mechanical action or vice versa. It's one of the leading yet unsubstitutable materials in scientific and engineering field. On the earliest application of this material, one is underwater SONAR, which brought up the best quality ever with the detection range that can reach as far as 10,000km (compared with that of the traditional ceramic piezoelectric SONAR, that is 300km the farthest). When applied to aircraft, this smart material makes a smart wing which can be controlled much faster with enhanced reliability. |
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The industrial application of the giant magnetostrictive materials includes machinery, electronics, oil industry, textile and medical instruments, ultra-high precision machine tool, robot, active vibration damping, linear motor, high-speed valve, hydraulic/pneumatic servo-valve, car-use oil-injection pump, spinning needle (driver), ultrasonic cleaning, ultrasonic machining, medical sonic and ultrasonic tools, precision instrument, optic disc driver, printer, etc. Tb-Dy-Fe materials incorporated micro-positioning system that can be used in engraving of integrated circuit resulting in much higher integration and reduced size. It's for sure that the magnetostrictive materials will have profound influence on the future of electronics and other industries.
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