| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Nyhus, Bård
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Topics
Publications (17/17 displayed)
- 2024A study on the influence of impurity content on fatigue endurance in a 6082 Al-alloycitations
- 2024Assessing fracture toughness of vintage and modern X65 pipeline steels under in situ electrochemical hydrogen charging using advanced testing methodologycitations
- 2024Safe pipelines for hydrogen transportcitations
- 2022Microstructure and Properties of Wire Arc Additive Manufacturing of Inconel 625citations
- 2021Effect of Sigma Phase in Wire Arc Additive Manufacturing of Superduplex Stainless Steelcitations
- 2021Root formation and metallurgical challenges in laser beam and laser-arc hybrid welding of thick structural steelcitations
- 2021Materials testing and characterization of four X60-X65 pipeline steels
- 2021Thermo-mechanical tensile testing of geothermal casing materialscitations
- 2021A Review on Laser-Assisted Joining of Aluminium Alloys to Other Metalscitations
- 2021Laser Beam and Laser-Arc Hybrid Welding of Aluminium Alloyscitations
- 2020Subsea power cable sheathing: an investigation of lead fatigue performancecitations
- 2020Additive Manufacturing with Superduplex Stainless Steel Wire by CMT Processcitations
- 2019Strain controlled medium cycle fatigue of a notched Pb-Sn-Cd lead alloycitations
- 2019Room temperature creep mechanism of a Pb-Sn-Sb lead alloycitations
- 2018Additive manufacture of superduplex stainless steel using WAAMcitations
- 2017Effect of low temperature tensile properties on crack driving force for Arctic applicationscitations
- 2017Fracture toughness and hydrogen embrittlement susceptibility on the interface of clad steel pipes with and without a Ni-interlayer.citations
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article
Additive manufacture of superduplex stainless steel using WAAM
Abstract
Superduplex stainless steels have been used in the oil and gas industry for a couple of decades due to the combination of excellent mechanical properties and corrosion resistance. The present investigation addresses the applicability of wire and arc additive manufacturing for this steel grade. Due to the inherent rapid heating and cooling, the initial base metal microstructure will be substantially altered, and complex thermal cycles may cause the formation of brittle secondary phases, among which the frequently observed intermetallic sigma phase is most harmful. However, no intermetallic phases have been observed, which is consistent with the low heat input employed, and the high Ni content in the wire. The microstructure observations in terms of ferrite volume fraction, Cr nitrides precipitation and the formation of secondary austenite are discussed together with the hardness measurements, tensile testing and notch toughness testing. It is concluded that additive manufacturing of superduplex stainless steels by wire and arc process is feasible. ; publishedVersion