Figure 3
From: Microstructure and mechanical behavior of metallic glass fiber-reinforced Al alloy matrix composites

Microstructure of the spark plasma sintered Al7075 alloy and composite.
(a) Sintered Al7075 specimen without glassy reinforcements. (b,c) Sintered composite (Al7075 + glassy fibers). (d) Schematic showing the random orientation of the glass fibers in the Al7075 matrix.