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

Figure 4

Microstructure of the remelted Al-5Ti-0.62C master alloy at a heat-treatment time of 180 min: (a) OM image at the top portion; (b) OM image at the stratification portion; (c) SEM image at the stratification portion; and (d) SEM image of aggregates at the grain boundaries of α-Al.

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