Surface shot peening of cast SiC_w/Al composites

Figures & data

Table 1. Chemical composition of 6A02 Al matrix.

Element	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Other	Al
Composition (%)	0.53	0.47	0.35	0.29	0.63	0.21	0.13	0.09	≤0.15	Balance

Figure 1. Dimensions (mm) of specimen of the composite and geometric relation in the X-ray stress measurement.

Figure 2. Curves of 2θ-sin2ψ of matrix in the 20%SiC_w/Al composite (Φ = 90°).

Figure 3. Residual stress (σ_res) in matrix vs depth (d) from surface of the 20%SiC_w/6A02Al composite.

Figure 4. Microhardness distribution in depth for the 20%SiC_w/6A02Al composite.

Figure 5. Half value breadth (HVB) of matrix for X-ray diffraction vs depth (d) from surface of the 20%SiC_w/6A02Al composite.

Figure 6. Domain size of SiC_w / 6A02Al composite along the changes of depths.

Figure 7. Microstrain of SiC_w / 6A02Al composite along the changes of depths.

Figure 8. Effective stress (σ_eff) of matrix on surface vs the applied stress (σ_app) for the 20%SiC_w/6A02Al composite.

Figure 9. Yield strength (σ_yie) of matrix vs depth (d) from surface of the 20%SiC_w/6A02Al composite.