In this section, you can access to the latest technical information related to the FUTURE project topic.

Improvement in the oxidation resistance of Nb-Si based alloy by selective laser melting

Nb-18Si-24Ti-2Cr-2Al-2Hf (at.%) alloy was fabricated by selective laser melting (SLM). Results showed that an ultra-fined microstructure was achieved by SLM. After oxidation at 1250°C for 50h, the weight gains of Nb-Si based alloys via SLM and vacuum induction melting (VIM) were 96.48mg/cm2 and 198.91mg/cm2, respectively. Compared with the VIM alloy, the SLM alloy exhibited a slower oxidation kinetic rate, featured by the formation of a more compact oxide scale without spallation. The improvement in the oxidation resistance was attributed to the microstructure refinement.

» Author: Yueling Guo, Lina Jia, Bin Kong, Fengxiang Zhang, Jinhui Liu, Hu Zhang

» Reference: Corrosion Science

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