Inclusions and Microstructure of Steel Weld Deposits with Nanosize Titanium Oxide Addition

Table 2

Microstructure and phase transformation temperature of weld metal with different cooling rate.

Weld metal	Cooling rate (K/s)	Microstructure	Phase transformation temperature (K)
			Starting temperature	Finishing temperature
Ti-O	293	Ferrite	1302	954
		Bainite	891	771
		Martensite	669	555
	373	Ferrite	989	931
		Bainite	811	725
		Martensite	657	584
TiO2	293	Acicular ferrite	987	782
	373	Acicular ferrite	951	718