Table 4.

Thermal conductivity of aluminum foams thermally processed at 750 °C in air and in Ar at 750–800 °C.

Sample	Therm. Cond. of Foam λf, W·m−1K−1	Therm. Cond. of Porous Strut Material λs, W·m−1K−1	Bulk Therm. Cond. of Bulk Material λb, W·m−1 K−1
Air 750 °C	0.45 ± 0.05	6.0	17.1
Ar 750 °C	2.32 ± 0.14	38.4	66.8
Ar 800 °C	2.98 ± 0.17	66.0	103.0