The aluminum foams with uniform pore structure

different densities and apertures were fabricated using pure aluminum as raw material

calcium powder as tackifier

TiH2 as foaming agent

and by controlling calcium and TiH2 content as well as foaming temperature.The fabrication process is stable and easy to be controlled and adjusted.The optimized process parameters for the aluminum foam with pore aperture less than 1.2mm are presented as follows:the tackifying temperature of 850

8

70 ℃

1.5%

2

.0% addition of tackifier

and the tackifier stirring speed of 800r/min for 1.5

2

min

the foaming temperature of 690

7

00℃

1.0%

1

.5%addition of blowing agent and foaming stirring speed of 1000r/min for 1.5

2

min as well as the holding time of 2.5

4

min.