Nanocrystalline Materials from Aerospace Machining Chips

Paper #:
  • 2005-01-3306

Published:
  • 2005-10-03
DOI:
  • 10.4271/2005-01-3306
Citation:
Uluca, Y., Rao, B., Ravi Shankar, M., Brown, T. et al., "Nanocrystalline Materials from Aerospace Machining Chips," SAE Technical Paper 2005-01-3306, 2005, https://doi.org/10.4271/2005-01-3306.
Pages:
7
Abstract:
The creation of nanostructured materials with enhanced mechanical properties by controlled chip formation has been demonstrated. The present study examines the microstructure and mechanical properties of chips from various alloys -Waspaloy AMS 5704, Inconel 718, Al 6061-T6, and titanium - produced in aerospace machining operations. While the deformation conditions with respect to chip formation may be ‘less than controlled’ in these cases, it is nevertheless seen that the chips created are composed entirely of nanocrystalline structures of high hardness and strength. The microstructural characteristics and properties of these chips are compared and contrasted with those produced under controlled conditions of strain and temperature. The results suggest that aerospace machining chips can be up-scaled as high-performance structural materials with substantial cost benefits.
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