Experimental No. | Interlayer | Bonding T (˚C) | Bonding P (MPa) | Fracture location | Ultimate strength (MPa) |
1 | None | 325 | 4 | At interface | 118.55 |
2 | None | 375 | 4 | At base metal | 129.17 |
3 | None | 425 | 4 | At interface | 139.74 |
4 | None | 475 | 4 | At interface | 150.40 |
5 | Copper powder | 325 | 4 | At base metal | 187.05 |
6 | Copper powder | 375 | 4 | At base metal | 187.49 |
7 | Copper powder | 425 | 4 | At base metal | 187.93 |
8 | Copper powder | 475 | 4 | At base metal | 188.36 |