Abstract
Open die forgings of the aluminum alloy 7010 (DTD5636) have been retrogressed at temperatures between 200 and 240 °C and then reaged (RRA). Tensile, fracture toughness and stress corrosion cracking values are reported. Retrogression at 200 °C offers the most promising combination of properties, and the long retrogression time of approx. 2500 s will enable thick sections to be treated. Residual stresses induced during quenching are also predicted, and initial experimental results suggest that some stress relief occurs during the retrogression heat treatment.
| Original language | English |
|---|---|
| Pages (from-to) | 51-58 |
| Number of pages | 8 |
| Journal | Fatigue and Fracture of Engineering Materials and Structures |
| Volume | 22 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jan 1999 |