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topic 7233

Cleaning Titanium Alloy Before Welding


(2001)

I NEED A DETAILED DESCRIPTION OF THE PROCEDURE FOR CLEANING TITANIUM ALLOY (Ti6Al4V) PARTS PRIOR TO LASER WELDING. THE TITANIUM PARTS ARE BEING USED IN A MEDICAL DEVICE.

JOHN M. FUQUA, JR.
FAIRWAY MEDICAL TECHNOLOGIES - HOUSTON TEXAS USA


September 30, 2009

Sandblasted using 50 µm silicon dioxide (SiO2) straps at 25 psi to create dull surfaces to reduce laser beam reflection during laser welding. Then cleaned using Acetone solution to remove any oil attached, for 5 min as recommended by the American Welding Society, and dried with nitrogen gas to be ready for welding.

Fathi
- Tripoli, Libya



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