Effect of Processing on Mechanically Alloyed and Spark Plasma Sintered Al-Al₂O₃ Nanocomposites

Table 4

Hardness of aluminum nanocomposites consolidated by SPS.

Composite	(deg./min)	(MPa)	(°C)	Time (min)	HV (MPa)	Ref.
Al-15 vol.% Al2O3	200	50	550°	5	923.9	This work
Al-15 vol.% Al2O3	200	50	550°	20	821.9	This work
Al-10 vol.% Al2O3	200	50	550°	5	1463.3	This work
Al-10 vol.% Al2O3	200	50	550°	20	1309.7	This work
Al-2 vol.% Al2O3	200	50	550°	5	1113.6	This work
Al-2 vol.% Al2O3	200	50	550°	20	1098.0	This work
Pure Al BM 24 h	200	50	550°	5	837.8	This work
Pure Al BM 24 h	200	50	550°	20	421.0	This work
Pure Al	200	50	550°	5	369.3	This work
Pure Al	200	50	550°	20	326.3	This work
Pure Al	200	50	600	10	313	[15]
Al-1 wt.% SiC	200	50	600	10	1080	[15]
Al-5 wt.% SiC	200	50	600	10	928	[15]
Al-10 wt.% SiC	200	50	600	10	1715.3	[15]
Al5083	300	50	500	3	1480	[39]
Al5083-10 wt.% SiC	300	50	500	3	2500	[39]
Al2124	100	35	500	20	1102.4	[46]
Al2124 + 1 wt.% CNTs	100	35	500	20	1181.9	[47]
Al6061	100	35	450	20	660	[47]
Al6061 + 1 wt.% CNTs	100	35	450	20	710	[47]
Al-7Si-0.3Mg	100	35	500	20	630	[48]
Al-7Si-0.3Mg + 0.5 wt.% CNTs	100	35	500	20	680	[48]
Al-12Si-0.3Mg	100	35	500	20	680	[48]
Al-12Si-0.3Mg + 0.5 wt.% CNTs	100	35	500	20	830	[48]
Al-7Si-0.3Mg	100	35	500	20	630	[33]
Al-7Si-0.3Mg + 5 wt.% SiC	100	35	500	20	710	[33]
Al-7Si-0.3Mg + 12 wt.% SiC	100	35	500	20	750	[33]
Al-7Si-0.3Mg + 20 wt.% SiC	100	35	500	20	690	[33]