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Magnetostrictive materials suitable for high sensitivity strain sensor and ultrasonic transducer have increasingly attracted researchers' interest recently. Nonmetallic magnetostrictive materials based on co-ferrite are excellent candidates for rare earth giant magnetostriction materials for the unique advantages of high strain sensitivity, high electrical resistivity, low cost, chemical and thermal...
The magnetostrictive Fe-Ga alloy is a unique smart materials with large magnetostriction and strong mechanical strength. Significant researches have been drawn to understand the origin of magnetostriction and improve the magnetostrictive performance. Due to the high conductivity, Fe-Ga alloy needs to be formed into the sheets to avoid current losses, and the high magnetostrion λ// along the applied...
Introduction: The giant magnetostrictive materials of Tb-Dy-Fe alloy can realize efficient conversion of energy and information between electromagnetic energy and mechanical energy and have been used in magnetomechnical transducers, actuators, adaptive viberation control systems[1,2], and so on. As the Tb-Dy-Fe alloy has MgCu2 structure type, the magnetostriction along the magnetic easy axis <111>...
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