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Influence of heat treatments on corrosion behavior of Ti64 friction welds
- Source :
- Chemical Data Collections; December 2022, Vol. 42 Issue: 1
- Publication Year :
- 2022
-
Abstract
- In this present investigation, rotary friction welding has been used to join Ti64 rods. Different heat treatments namely α-β and β with stress-relieving (SR) were carried out before welding. After welding, corrosion studies were carried out in a 3.5% NaCl environment. It was observed that the α-β heat-treated condition with SR showed the least corrosion rate out of all conditions, whereas the β heat-treated condition has shown the highest. The primary reason for this is the microstructural changes due to heat treatment. Below β transus temperature led to the development of uniform α-β lamellar colonies around the primary α which provided good corrosion resistance in α-β heat-treated condition with SR. The above β transus heat treatment led to evolving fully lamellar structure which made the corrosion rate high. The optimized results indicate that the α-β followed by SR before welding has a better overall performance in corrosion resistance.
Details
- Language :
- English
- ISSN :
- 24058300
- Volume :
- 42
- Issue :
- 1
- Database :
- Supplemental Index
- Journal :
- Chemical Data Collections
- Publication Type :
- Periodical
- Accession number :
- ejs61326135
- Full Text :
- https://doi.org/10.1016/j.cdc.2022.100940