Magnetostriction is a property of magnetic materials that causes them to change their shape or dimensions during the process of magnetization. The variation of materials' magnetization due to the applied magnetic field changes the magnetostrictive strain until reaching its saturation value, λ.

Magnetostriction is a property of ferromagnetic materials which causes them to expand or contract in response to a magnetic field. This effect allows magnetostrictive materials to convert electromagnetic energy into mechanical energy.

Magnetostriction refers to changes in dimensions with state of magnetization. The term is applied to two rather different phenomena. In engineering usage, magnetostriction means the change in length when a demagnetized polycrystalline sample is magnetized.

magnetostriction, change in the dimensions of a ferromagnetic material, such as iron or nickel, produced by a change in the direction and extent of its magnetization. An iron rod placed in a magnetic field directed along its length stretches slightly in a weak magnetic field and contracts slightly in a strong magnetic field.

2023年6月18日 · Magnetostrictive materials are materials that exhibit magnetostriction, and they vary in their magnetostriction coefficients, saturation magnetization, magnetic anisotropy, Curie temperature, hysteresis loss, and eddy current loss.

The latest magnetostrictive sensor development focuses on using giant magnetostrictive material (such as Terfenol-D), magnetostrictive amorphous wire and thin films. These developments have resulted in successful sensor designs, including hearing aids, load cells, accelerometers, motion and proximity sensors, torque sensors, stress or force ...

2011年8月1日 · A magnetostriction transducer is a device that is used to convert mechanical energy into magnetic energy and vice versa. Such a device can be used as a sensor and also for actuation as the transducer characteristics is very high due to the bi-directional coupling between mechanical and magnetic states of the material.

The meaning of MAGNETOSTRICTION is the change in the dimensions of a ferromagnetic body caused by a change in its state of magnetization.

When a ferromagnetic material — such as iron, nickel, or cobalt — is subjected to an external magnetic field, the magnetic domains within the material align, creating internal stresses that cause the material’s shape or dimensions to change. This phenomenon is referred to as magnetostriction.

2024年5月27日 · Magnetostriction, a property of ferromagnetic materials, manifests as a change in their shape or dimensions in the presence of a magnetic field. This unique phenomenon, often overlooked, holds significant potential for numerous applications across various fields, from engineering to medical technology.