Shin-Etsu Rare Earth Magnets

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Young's modulus

This is one type of modulus of elasticity and is also called the elongation elasticity modulus. If T is the stress working on the cross-section when a rod of uniform thickness is fastened at one end and the other end is pulled in the axial direction and ε is the elongation per unit length, then the proportional relationship T=Eε (Hook's law) holds within a certain range. The proportionality constant E in this equation is called Young's modulus. The units are pascals [Pa]. This value is used when thinking about the mechanical characteristics of a magnet.

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Glossary list