Mechanisms of selective laser sintering and heat transfer in Ti powder

@inproceedings{Tolochko2003MechanismsOS,
  title={Mechanisms of selective laser sintering and heat transfer in Ti powder},
  author={N. K. Tolochko and Maxim K. Arshinov and Andrey V. Gusarov and Victor I. Titov and Tahar Laoui and Ludo Froyen},
  year={2003}
}
  • N. K. Tolochko, Maxim K. Arshinov, +3 authors Ludo Froyen
  • Published 2003
  • Materials Science
  • Coupled metallographic examination and heat transfer numerical simulation are applied to reveal the laser sintering mechanisms of Ti powder of 63‐315 μm particle diameter. A Nd:YAG laser beam with a diameter of 2.7‐5.3 mm and a power of 10‐100 W is focused on a bed of loose Ti powder for 10 s in vacuum. The numerical simulation indicates that a nearly hemispherical temperature front propagates from the laser spot. In the region of α‐Ti just behind the front, heat transfer is governed by thermal… CONTINUE READING

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