Microstructure and Mechanical Properties of Mg/2 wt.%SiC_p Nanocomposite Fabricated by ARB Process

Table 1

Average grain size (m) at three thickness locations in the Mg/2 wt.%SiC and monolithic Mg sheets for various ARB cycles.

ARB cycles	Mg/2 wt.%SiC							Monolithic Mg
	2	3	4	6	8	11	14	2	3	4	6	8	11	14
Subsurface	5.3	6.9	4.0	6.9	3.1	3.2	3.0	4.5	1.5	5.6	4.7	3.2	3.0	6.4
1/4 thickness	7.2	13.1	7.4	8.3	4.6	6.9	3.6	5.6	3.8	7.2	6.0	4.9	3.9	4.7
Center	7.0	15.2	6.9	15.5	4.2	7.2	2.9	4.9	1.7	16.7	5.5	4.3	2.7	6.9
Total	6.5	11.7	6.1	10.2	3.9	5.8	3.2	5.0	2.3	10.0	5.4	4.1	3.2	6.0