Preparation of Ag/Cu/Ti Nanofluids by Spark Discharge System and Its Control Parameters Study

Table 4

Particle distribution peak value and Zeta-Potential peak value of metals in the case of different discharge parameters.

Material	Discharge parameters	Particle distribution peak value	Zeta-Potential peak value
Silver	30 : 50	40 nm	−35 mV
	30 : 30	38 nm	−32 mV
	500 : 30	41 nm	−43 mV
Copper	10 : 300	198 nm	−24 mV
	10 : 10	148 nm	−28 mV
	300 : 10	128 nm	−32 mV
Titanium	10 : 300	110 nm	−42 mV
	10 : 10	128 nm	−43 mV
	300 : 10	128 nm	−40 mV