Shin-Etsu Rare Earth Magnets

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Shear modulus

This is one type of modulus of elasticity and is also called the shearing modulus or shear modulus of elasticity. Thinking about an elastic square column, if a shear stress τ works on the bottom surface and surfaces parallel to it, the side surfaces of the square column deforms into a diamond shape with an apex of 90°±γ. At this time, in the range for which Hook's law is valid, there is the proportionality relationship τ=Gγ. This coefficient G is the shear modulus. The units are pascals [Pa]. This value is sometimes used to show the mechanical strength of a magnet.

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Glossary list