Abstract
With the three-coordinate measuring machine, the dimensional instability of LY12CZ welded specimens under the condition of thermal cycles was investigated experimentally. The deformation mechanism was analyzed from the viewpoint of mechanics and microstructure. The experimental results show that the dimension of LY12CZ welded specimens will tend to stable after nine thermal cycles, and the reasons for instable deformation of welded specimens are related with temperature, microstructure and residual welding stress relaxation.
| Original language | English |
|---|---|
| Pages (from-to) | 82-84 |
| Number of pages | 3 |
| Journal | Hanjie Xuebao/Transactions of the China Welding Institution |
| Volume | 25 |
| Issue number | 3 |
| State | Published - Jun 2004 |
Keywords
- Dimensional instability
- LY12CZ aluminum alloy
- Thermal cycle
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