Table 6.
Comparison of measured and calculated hardness values in laser and hybrid welding of S700MC steel T-joints with a thickness of 10 mm. HAZ—heat-affected zone; FEM—finite element modeling.
| Vickers Hardness HV1 (Test Force–9.807 N) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Method | Base Material | HAZ | Weld | HAZ | Base Material | ||||||||||
| Real Welding Measurements | |||||||||||||||
| Laser | 280 | 281 | 279 | 281 | 287 | 290 | 338 | 350 | 347 | 288 | 283 | 284 | 280 | 283 | 278 |
| Hybrid | 278 | 282 | 281 | 271 | 263 | 269 | 299 | 303 | 301 | 272 | 268 | 269 | 278 | 283 | 280 |
| Calculated Values (FEM) | |||||||||||||||
| Laser | 278 | 274 | 274 | 253 | 254 | 268 | 343 | 343 | 342 | 254 | 269 | 258 | 273 | 274 | 278 |
| Hybrid | 278 | 275 | 274 | 268 | 272 | 276 | 294 | 293 | 292 | 276 | 278 | 268 | 274 | 274 | 278 |