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Laser Additive Manufacturing of Aerospace Components Share

Project Objectives:

The key goals and objectives of the project are:

  • Through computational modeling provide a fundamental understanding on the effect of process variables (laser power, scan speed, preheating temperature, raster pattern) on build conditions, residual stress and microstructure during Laser Direct Metal Deposition (LDMD) and Laser Powder Bed Fusion (LPBF) of IN625 components.
  • To provide a fundamental understanding between the changes in build conditions (melt pool length and depth) on the magnitude and distribution of residual stresses, solidification cooling rates and thermal gradients during laser additive manufacturing of IN625 components.
  • To provide simulation-based tools (“process maps”) which will provide direct feedback on how changes in process parameters to optimize build conditions will simultaneously affect the control of residual stress buildup and component microstructure in laser additive manufacturing of IN625 components.

Principal Investigator : Dr. Srikanth Bontha | Contact : srikanth.bontha@gmail.com

Estimated Budget : 5,00,000

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