TWI projects carried out for the shipbuilding sector

Single client projects (SCPs)

TWI conducts short term project work and longer term research and development for its Industrial Member companies for product and process innovation, and to improve efficiency in all aspects of joining technology including materials and structural integrity. As a result, Members from all industrial sectors can introduce novel designs, new fabrication or inspection techniques in order to improve business profitability or to enhance product safety and reliability.

Contact projects@twi.co.uk.

• Laser welding trials of 6mm and 14mm sheet materials, including fatigue assessment, for use in ship construction.
• Pulsed metal inert gas (MIG) hardfacing of marine diesel engine valves.
• Corrosion fatigue tests on a P-bracket to hull joint on a seagoing vessel.
• Friction welding of studs on Q2N steel plate.
• Investigation of a cracked stainless steel tube involving the use of metallography, a hardness survey, examination by scanning electron microscope (SEM) and chemical analysis.
• Electron beam (EB) welding trials for joining Monel/Inconel inserts into a connector.
• Evaluation and non-destructive testing (NDT) of friction welding bi-metal sleeves (steel/Monel to cupro-nickel) for a marine engine.
• Consultancy contributing to the construction and welding data requirements for an aluminium/steel deepwater vessel.
• Investigation into the failure of a fabricated rudder unit.
• Development of welding procedures and approval tests for orbital pipe welding.
• On site corrosion mapping of a ship's hull using a computerised T-scan ultrasonic system in order to optimise repair/maintenance schedules (See Case Study).
• Fitness for purpose of duplex stainless steel risers for sour service (See CaseStudy).