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The Welding Institute or TWI is a research and technology organisation, with a specialty in welding. With headquarters six miles south of Cambridge, Cambridgeshire, England, since 1946, and with facilities across the UK and around the world. TWI works across all industry sectors and in all aspects of manufacturing, fabrication and whole-life integrity management technologies. TWI services include consultancy, technical advice, research and investigation for industrial member companies and public funding bodies. It also offers training and examination services in NDT, welding and inspection across the globe. Employing over 800 staff, TWI serves 700 Industrial Member companies across 4500 sites in 80 countries. The formation in 1922 of its professional institution, The Welding Institute, and the later establishment of the British Welding Research Association (BWRA) in 1946 provided the basis of the company group as it is today. The Welding Institute currently has a separate membership of over 6000 individuals. Friction stir welding was invented by TWI in 1991.〔 Thomas, WM; Nicholas, ED; Needham, JC; Murch, MG; Temple-Smith, P; Dawes, CJ.: ''Friction-stir butt welding'', GB Patent No. 9125978.8, International patent application No. PCT/GB92/02203, (1991)〕 ==Structure== The Professional Division of TWI is a Licensed Member of the Engineering Council. It is situated at Granta Park, at the junction of the A11 and the terminus of the A505, three miles east of Duxford Museum. Both industrial and professional members are represented on the Council that oversees TWI’s business and the operational activities of its Directors. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「The Welding Institute」の詳細全文を読む スポンサード リンク
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