Table 1: Results of grain characteristics and microhardness of AZ31/AZ91 and AZ31/AZ91/TiC nanocomposite.

MaterialTiC (vol%)Grain characteristicsaMicrohardness (HV)
Size (μm)Aspect ratio

AZ31/AZ91 5 . 1 ± 0 . 7 1.4 1 1 1 ± 5
AZ31/AZ91/1.5vol% TiC1.50 4 . 0 ± 1 . 0 1.4 1 2 9 ± 7 (+16)

aBased on approximately 100 grains.
() Brackets: indicate % change with respect to corresponding result of AZ31/AZ91.