Corrosion Behaviour of a Silane Protective Coating for NdFeB Magnets in Dentistry

Figure 4

Stereomicroscopic images (50x) of the surface of the uncoated and SL30 silanized magnets before ((a) and (b), resp.) and after ((c) and (d), resp.) potentiodynamic measurements.

(a)

(b)

(c)

(d)