Table 5 Microhardness of friction stir welded samples
From: Investigation of mechanical properties and surface roughness of friction stir welded AA6061-T651
Welded samples | Average microhardness (Hv) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Retreating side (RS) | Weld center | Advancing side(AS) | |||||||||
HAZ | TMAZ | NZ | NZ | TMAZ | HAZ | ||||||
15 mm | 12 mm | 9 mm | 6 mm | 3 mm | 3 mm | 6 mm | 9 mm | 12 mm | 15 mm | ||
Friction stir welded AA6061-T651 | 80 | 89 | 96 | 103 | 110 | 120 | 112 | 105 | 98 | 90 | 81 |