Effects of Boron Nitride Coatings at High Temperatures and Electromagnetic Wave Absorption Properties of Carbon Fiber-Based Magnetic Materials

Figure 4

Scanning electron microscopy (SEM) images showing the (a) magnetic performance, (b) CF, (c) CF/1.5FeCoNi, (d) CF/1.5FeCoNi/1BN, (e) CF/1.5FeCoNi/2BN, (f) CF/1.5FeCoNi/3BN, (g) CF/1FeCoNi/2BN, and (h) CF/2.5FeCoNi/2BN.

(a)

(b)

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(e)

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(h)