Abstract
Laser multilayer deposition of Rene88DT superalloy on DD3 single-crystal substrate is conducted. The influences of the crystal orientation of the substrate and the profile of the solid/liquid interface of the molten pool on the deposited microstructure are investigated. A unique strategy is proposed by adjusting the angle between the substrate surface and the substrate crystal orientation. This approach prevents the formation of the turned dendrite, thus obtaining a fully directional microstructure in the deposits.
| Original language | English |
|---|---|
| Article number | 041401 |
| Pages (from-to) | 1 |
| Number of pages | 1 |
| Journal | Chinese Optics Letters |
| Volume | 10 |
| Issue number | 4 |
| DOIs | |
| State | Published - Apr 2012 |
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