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Analysis of liquid metal foams through X ray radioscopy and microgravity experiments

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Figure

Fig. 1Foaming process of a thixocast AlSi6Cu4 precursor material. (A) Radioscopic images are shown for different experimental stages
Fig. 2X-ray radiographs of a liquid foam made of thixocast AlSi6Cu4+ 0.6 wt% TiH2 precursor during the transition from (A) 0g to (B) 1.8g.The elapsed time between images is 1 s
Fig. 3X-ray radiographs of AlSi9 foams at 650sition from 0 to 1.8SiC particles. The increased viscosity of AlSi9 with increasing amountof SiC is apparent from the reduced liquid accumulation at the bottomof the sample
Table 1Top part: surface tension and viscosity for AlSi6Cu4, AlSi11 and AlSi9 + 5, 10 and 20 vol% SiC foams obtained bysolutions of the foam drainage equation to experimental liquid density proand AlSi11 alloys as taken from the literature fitting numerical
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