The Role of Foaming Agent and Processing Route in Mechanical Performance of Fabricated Aluminum Foams

Table 1

Characteristics for different kinds of Al-based foams produced by Alporas like route.

Foam code	Processing variables; (alloy and additives) wt.%	Relative density; (𝜌/𝜌𝑠)^1	Cell size, mm	Solid yield strength, 𝜎ys (MPa)
F1	Al + 1TiH2 + 1Ca	0.21–0.37	3.1±0.9	42.8±4.89
F2	Al + 2CaCO3 + 1Ca	0.24–0.09	1.5±0.6	43.5±7.12
F3	Al-7Si alloy + 1.5TiH2 + Ca	0.17–0.30	3.0±0.4	220±20.54
F4	Al-7Si alloy + 1.5TiH2	0.17–0.24	3.2±0.5	180±21.68
F5	Al-7Si alloy + 2CaCO3 + 1Ca	0.18–0.29	1.5±0.5	195±19.53
F6	Al-7Si alloy + 2CaCO3	0.18–0.27	1.7±0.6	140±15.67
F7	Al-1Mg-0.6Si alloy + 1.5TiH2 + 1Ca	0.15–0.26	2.1±0.6	120±14.82
F8	Al-1Mg-0.6Si alloy + 1.5TiH2	0.25–0.43	2.3±0.7	100±9.85
F9	Al-5Mg alloy + 1.5TiH2 + 1Ca	0.18–0.32	3.6±0.5	180±19.73
F10	Al-5Mg alloy + 1.5TiH2	0.31–0.40	3.5±0.6	160±17.13
F11	Al-Zn-Mg alloy + 1.5TiH2 + 1Ca	0.22–0.38	2.1±0.7	560±28.24
F12	Al-Zn-Mg alloy + 1.5TiH2	0.19–0.40	2.3±0.6	540±26.15
F13	Al-Zn-Mg alloy + 2CaCO3 + 1Ca	0.20–0.34	1.1±0.5	575±29.48
F14	Al-Zn-Mg alloy + 2CaCO3	0.20–0.33	1.2±0.6	531±15.14

¹𝜌 and 𝜌_𝑠 correspond the density of foam and bulk solid, respectively.