Table 1: Experimental set-up.

CodeSL0SL10SL20SL30

SupportNi/Cu/Ni plated NdFeB magnet

Number of silane layers0102030

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