A Precipitation Phenomenon of Titanium Compounds in Aluminum Melts and the Refinement Fading Mechanism of the Al-5Ti-0.62C Master Alloy

Figure 3

Macrographs of the longitudinal section of the samples obtained after remelting the Al-5Ti-0.62C master alloy with different heat-treatment times: (a) 30 min; (b) 60 min; (c) 120 min; or (d) 180 min.

(a)

(b)

(c)

(d)