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Journal of Materials Science: Materials in Engineering

Table 4 Porosity analysis

From: Synthesis and characterisation of hot extruded aluminium-based MMC developed by powder metallurgy route

Sample

Sample 1

Sample 2

Densification factor

−0.597

−0.742

Percentage improvement in densification (after extrusion)

20.32

17.35

Porosity before extrusion (%)

23.7

22

Porosity after extrusion (%)

8.15

8.53

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