Abstract
Three steels (one 1 CrMoNb, one 3.5 NiCrMo and one 2.25 CrMo) which could be used in tethered buoyant platforms are assessed. Corrosion fatigue and stress corrosion tests in natural seawater containing sulphide-reducing bacteria have been made on each steel in various heat-treated conditions. Fractographs documenting the development of the cracking mode are presented. Intergranular, discontinuous-cleavage and microvoid coalescence are all observed at different times for the different steels. The relationship among the fractography, the microstructure of the steel and the applied stress intensity is investigated. Mechanistic models of crack growth are introduced and their relationship to observed fracture modes are discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 234-240 |
| Number of pages | 7 |
| Journal | International Journal of Offshore and Polar Engineering |
| Volume | 4 |
| Issue number | 3 |
| Publication status | Published - Sept 1994 |
| Externally published | Yes |
Fingerprint
Dive into the research topics of 'Fractography of crack growth in stress-corrosion cracking and corrosion fatigue of a number of offshore steels'. Together they form a unique fingerprint.Cite this
- APA
- Author
- BIBTEX
- Harvard
- Standard
- RIS
- Vancouver