Electropolishing of Additively Manufactured Ti-6Al-4V Surfaces in Nontoxic Electrolyte Solution

Table 1

Electropolishing parameters.

Parameters	Electrolyte 1	Electrolyte 2	Electrolyte 3
Triethanolamine	180 ml	180 ml	180 ml
Perchloric acid	10 ml	—	—
Sodium flouride (NaF)	1.17%	1.17%	2%
Ammonium flouride (NH4F)	5%	10%	10%
Oxalic acid	16%	16%	16%
Ethanol	15 ml	15 ml	15 ml
Current density	0.2 Acm^−2	0.2 Acm^−2	0.2 Acm^−2
Time	30 min	30	30
Temperature	30.0 ± 2°C	30.0 ± 2°C	30.0 ± 2°C