Table 3 Aluminium’s chemical composition.

From: Development, modelling and optimization of process parameters on the tensile strength of aluminum, reinforced with pumice and carbonated coal hybrid composites for brake disc application

Element

Al

Si

Fe

Cu

Mn

Mg

Zn

Cr

Ti

Ca

Others

vol%

97.743

0.61

0.44

0.16

0.024

0.821

0.0015

0.07

0.01

0.046

0.0745