Shin-Etsu Rare Earth Magnets

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Compressive strength

This is the maximum stress when a test piece breaks under a compressive load. The compressive pressure when a one-axis load is applied to round and square pillar shaped test pieces is expressed as the value divided by the cross-sectional area perpendicular to that axis. General, the value of compressive strength is larger than the value of tensile strength. The units are pascals [Pa]. Since rare earth magnets are severely brittle, their tensile strength can not be measured. Therefore, the compressive strength is substituted for the mechanical strength.

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Glossary list