Student Work

Alternatives to Hydrofluoric Acid Etching At Wyman Gordon Company

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The goal of this project was to explore alternatives to the use of hydrofluoric acid in the removal of alpha case from the surface of forged titanium for the Wyman-Gordon Company. Both fluoroboric acid and a solution of sodium fluoride and ammonium persulfate were experimentally tested. Results showed that hydrofluoric acid had the highest etch rate over 6 minutes. Recommendations for future research were made to improve the current process.  

  • This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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  • E-project-042910-083844
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  • 2010
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Date created
  • 2010-04-29
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