Microstructure and properties of ferritic steel welds containing Al and Ti
Journal Article
·
· Welding Journal
OSTI ID:89690
- Oerlikon, Zurich (Switzerland)
The combined effect of Al and Ti, in the range 5 to 500 ppm, on the microstructure and properties of C-Mn shielded metal arc welds has been studied. It was found that Ti, in contrast to Al, dramatically enhanced the formation of acicular ferrite and improved notch toughness. A strong interactive effect was encountered, with Al at low concentrations tending to diminish the influence of Ti. Unless a critical balance is achieved, with regard to oxygen content, it is concluded that Ti be optimized at 30 to 40 ppm and that Al be kept as low as possible.
- OSTI ID:
- 89690
- Journal Information:
- Welding Journal, Journal Name: Welding Journal Journal Issue: 8 Vol. 74; ISSN 0043-2296; ISSN WEJUA3
- Country of Publication:
- United States
- Language:
- English
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