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

Table 1

Experimental set-up.

Code	SL0	SL10	SL20	SL30
Support	Ni/Cu/Ni plated NdFeB magnet
Number of silane layers	0	10	20	30
Polarization test	(i) 72 h of immersion in Fusayama synthetic saliva
	(ii) ±1,500 mV OCP
	(iii) Scanning rate of 1 mV/s
EIS test	(i) 72 h of immersion in Fusayama synthetic saliva
	(ii) Voltage amplitude of 10 mV
	(iii) Frequency range from 0.05 Hz to 100 kHz
Magnetic force	(i) 72 h of immersion in Fusayama synthetic saliva
	(ii) Crosshead speed of 0.05 mm/seconds