Magnetic Behavior of Sintered NdFeB Magnets on a Long-Term Timescale

<table>Estimated polarization losses as a function of <svg height="15.4" id="M63" style="vertical-align:-3.2316pt" version="1.1" viewbox="0 0 16.387501 15.4" width="16.387501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,10.875,15.187)"><path d="M383 397q0 -32 -35 -49q-12 -6 -23 8q-37 45 -84 45t-90 -71q-40 -65 -40 -167q0 -57 22 -86t59 -29q38 0 81.5 24.5t69.5 51.5l16 -21q-44 -53 -104 -84t-109 -31q-56 0 -89.5 41t-33.5 117q0 61 30 124t79 105q33 28 81 50.5t86 22.5q34 0 59 -15.5t25 -35.5z" id="x1D450"></path></g>
</svg> in closed- and open-circuit exposures in material 2 magnets at 120°C.</table>

Advances in Materials Science and Engineering

fig10

Figure 10

Figure 10: Magnetic Behavior of Sintered NdFeB Magnets on a Long-Term Timescale 