Manufacturing of open-cell aluminum foams via infiltration casting in super-gravity fields and mechanical properties
作者： Zhe Wang , Jintao Gao , Kuan Chang , Long Meng , Ning Zhang
DOI: 10.1039/C7RA13689G
关键词:
摘要: Replicated open-cell aluminum foams were produced by infiltration casting in super-gravity fields. Infiltration of preforms packed NaCl particles with different sizes was conducted to demonstrate the technical feasibility this method. The relative densities between 0.25 and 0.34 obtained varying particle size preform from 600 200 μm. Increasing gravity coefficient (G) increased centrifugal pressure (Pc) correspondingly improved structural integrity resulting foams. As Pc increased, foam exhibited a transition structure smooth struts relatively complex where many protrusions extended inside pores surface struts. Also, specific relationship minimum pressures necessary produce self-standing established. 32, 49 83 kPa required for pore 600, 400 μm, respectively. Preliminary results show that is promising be practical manufacture process replicated
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