Multimaterial Analysis of FDM-Fabricated Brackets: Experimental and Finite Element Approach

• This project investigates the mechanical performance and simulation accuracy of brackets fabricated using Fused Deposition Modeling (FDM).

• A total of nine brackets were 3D printed — three each using PLA, PETG, and PA-CF and tested for tensile strength using an Instron machine.

• Each material's performance was also evaluated through Finite Element Analysis (FEA) and compared to physical results.

 Tensile Test Results

•  Both FEA and tensile tests were conducted for PLA, PETG, and PA-CF.
  
  

•  PA-CF consistently outperformed PETG and PLA in:
  
  

• PA-CF - Lower total deformation
  
  

• PA-CF - Lower von Mises and normal stress resistance
  
  

• PA-CF - Greater safety factor
  
  

•  Material strength ranking (highest to lowest):
  PA-CF > PETG > PLA
  
  

•  PA-CF is the best performer, ideal for high-strength, load-bearing applications.