Aluminium AA6061 Matrix Composite Reinforced with Spherical Alumina Particles Produced by Infiltration: Perspective on Aerospace Applications

Table 1

Main features of produced spherical and angular particle MMCs.

Composite designation	Spherical; PRMMC	Angular; PRMMC
Matrix	AA6061	AA6061
Reinforcement type	α-γ-Amorphous Al2O3	α-Al2O3
Reinforcement shape	Spherical	Angular
Reinforcement density [g/cm^3]	3.75^*	3.95^**
Particle size [µm]
D3	31	19
D50	6.5	9.3
D94	2	3
Volume fraction of reinforcement ()	0.6	0.6

Source: GAP Engineering, measured by University of Missouri. ^**Source: Treibacher Schleifmittel product datasheet.