Publications by authors named "Anibal Guedes"
The joining of alumina (AlO) to γ-TiAl and Ti6Al4V alloys, using Ag-Cu sputter-coated Ti brazing filler foil, was investigated. Brazing experiments were performed at 980 °C for 30 min in vacuum. The microstructure and chemical composition of the brazed interfaces were analyzed by scanning electron microscopy and by energy dispersive X-ray spectroscopy, respectively.
View Article and Find Full Text PDFJoining of TiAl Alloy Using Novel Ag-Cu Sputtered Coated Ti Brazing Filler.
Microsc Microanal
February 2019
Article Synopsis
- The study explores titanium foil coated with silver and copper films as a new brazing filler for TiAl alloys, aiming to join them without losing service temperature capabilities.
- Detailed microstructural analysis shows successful brazing at temperatures of 950°C and 980°C, with a primary interface made of α-Ti and intermetallic compounds.
- This novel filler prevents the formation of soft zones and brittle particles, eliminating the need for post-brazing heat treatments in the joining process.