TWI is one of the world’s foremost independent research and technology organisations, with expertise in solving problems in all aspects of manufacturing, fabrication and whole-life integrity management technologies.

Established in Cambridge, UK, in 1946 and with facilities across the globe, the company has a first-class reputation for service through its teams of internationally-respected consultants, scientists, engineers and support staff whose knowledge and expertise are available to its industrial members as and when they require. With a long history of invention, innovation and knowledge transfer, TWI continues to develop its staff and its technical knowhow in engineering, materials and joining technologies alongside the valuable training and professional support services it offers to members.

TWI is at the forefront of solid phase friction welding and processing technology. Active and innovative in welding research and development since the 1960s, the organisation is responsive to industry needs and provides consultancy services to all industry sectors. Support for industry includes: advice on component design, process selection & quality issues, troubleshooting, feasibility & pre-production trials, application & prototype equipment development. TWI has been responsible for many key innovations and developments in solid phase joining; Friction stir welding was invented at TWI and was rapidly applied by industry; Linear friction welding was developed into a mature joining process for turbine blades.