Research Article
Microstructural Evolution in Nonvacuum Solid-State Diffusion Bonded Joints of AA2219
Table 2
Influence of bonding temperature on the hardness of bonded sections.
| | Bonding conditions | Hardness on | | Temperature (°C) | Pressure (MPa) | Time (min) | Base metal (left) | Interface (center) | Base metal (right) |
| | 450 | 10 | 30 | 88.63 | 68.12 | 88.42 | | 475 | 10 | 30 | 92.71 | 102.82 | 93.25 | | 500 | 10 | 30 | 93.28 | 112.14 | 94.94 |
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