Enhancement of Mechanical Properties on Novel Friction Stir Welded Al-Mg-Zn Alloy Joints Reinforced with Nano-SiC Particles

Table 2

Mechanical properties of fabricated samples with joint efficiency.

Sample composition	Ultimate tensile strength (MPa)	Hardness (HV)	Yield strength (MPa)	Joint efficiency (%)
Al-Mg-Zn/1.0 wt% nano-SiC	125	137	94	0.43
Al-Mg-Zn/1.5 wt% nano-SiC	143	152	99	0.50
Al-Mg-Zn/2.0 wt% nano-SiC	157	163	107	0.55
Al-Mg-Zn/2.5 wt% nano-SiC	178	167	133	0.62
Al-Mg-Zn/3 wt% nano-SiC	191	171	165	0.67