FRICTION STIR WELDING Torben Lorentzen CEO of DanStir ApS Danish Stir Welding Technology & Friction Stir Welding Specialist Bayards Aluminium Construction B.V. Out-line Friction Stir Welding .Patents .The proces in brief .Standards Friction Stir Welding at BAYARDS .Weld properties Legal Aspects .Applications .Licensees .Equipment functionality and capabilities . Friction Stir Welding .The proces in brief .Weld properties . The sequences of a Friction Stir Welding event . Micro-structural effect of a Friction Stir Welding event . S tr e s s ( M Pa ) 130 120 110 100 90 80 70 60 50 40 30 20 10 0 0 P F M B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 S t r a in ( % ) Tensile test behaviour. EN-AW-6082-O . 120 110 100 90 Hardness [HV10] 80 70 60 50 40 30 20 10 0 -5 0 5 10 15 20 25 30 35 No. 22 Position [mm] Hardness profile. EN-AW-6082-T6 . Heat treatable alloys recovering hardness over time – here EN-AW-7075 Post weld heat treatment (PWHT) recovering essentially to parent metal hardness – here EN-AW-6082-T6 . 86 0.5 23 16.0 12.91 0.9 18.0 Welding factor [UTS-FSW / UTS-Parent] 1.00 0.93 1.2% Proof strength [MPa] 148 141 249 153 286 160 274 149 138 285 295 210 245 Tensile strength [MPa] 298 298 336 305 301 254 300 260 244 310 370 320 350 Elongation [%] 23.5 22.9 14.4 22.95 Weld properties for a range of common alloys .5 10.Material 5083-O Parent 5083-O FSW 5083-H321 Parent 5083-H321 FSW 6082-T6 Parent 6082-T6 FSW 6082-T6 FSW & aged 6082-T4 Parent 6082-T4 FSW 6082-T4 FSW & aged 7108-T79 Parent 7108-T79 FSW 7108-T79 FSW & aged 0.9 6.8 9.83 1.19 0.4 4.00 0.0 11. Refined micro-structure and good surface finish . High weld ductility renders good bending performance . Legal Aspects .Licensees .Standards .Patents . TWI Development in licensees over the past 14 years . 2008.Licensee status : Smith. ”FSW Patents – A Stirring Story”. J. I.. Country Germany France Belgium The Netherlands Non-commercial 5 3 2 0 Commercial 9 2 1 1 Licensees in an around The Netherlands . 317 / EPO615480B1 (1992-2012) US-5.813.Patent status : The two original patents held by TWI covers the intellectual property rights regarding the general use of the technology: US-5.460.592 / EPO752926B1 (1995-2015) . J. ”FSW Patents – A Stirring Story”. 2008..Patent status : Smith. TWI Development in 3rd party patent filings . I. . 2008. A Stirring Story”. TWI Company Hitachi Boeing KHI Showa NLM SLM Mazda Lockheed Martin ESAB MHI Total (US/EP/JP) 215 69 44 44 35 23 13 9 9 9 . J. ”FSW Patents. I.Patent status : Top-10 organisations holding the most Friction Stir Welding patents Smith. Standards status : Friction Stir Welding is approved by most of the classification bodies including: • American Bureau of Shipping (ABS) • Bureau Veritas (BV) • Det Norske Veritas (DNV) • Germanischer Lloyds (GL) • Lloyd´s Register of Shipping (LRS) • Registro Italiano Navale (RINA) . Standards status : An official international standard is under development by the ”B1 Working Group” of the ”IIW Commission III” : ISO/AWI-25239 Part 1-5: ISO/AWI 25239-1: Part 1: Vocabulary ISO/AWI 25239-2: Part 2: Design of welded joints ISO/AWI 25239-3: Part 3: Qualification of welding operators ISO/AWI 25239-4: Part 4: Specification and qualification of welding procedures ISO/AWI 25239-5: Part 5: Quality and inspection requirements . Applications .Friction Stir Welding at BAYARDS .Equipment functionality and capabilities . V. .Equipment : The Friction Stir Welding installation at BAYARDS Aluminium Constructions B. or load-control .5 x 15.Position.6 meters .5 meter .Envelope 3.Prepared for a 2nd weld head .Equipment : .Maximum daylight ≈ 1.2D-programable weld paths .100 kN down force . Aircraft cargo floor panels .X-ray scanner parts .Leight weight fuel tanks for UAV´ .Tailor Welded Blanks (TWB) .Applications : . Tailor Welded Blanks (TWB) : Tailor Welded Blanks welded for Renault´ inner door panels . Aircraft cargo floor panels : Cargo floor panels for Lockheed Martin´ C-130 Hercules aircraft . Leight weight fuel tanks for UAV´ : Light weight fuel tanks for un-maned air crafts . X-ray scanner parts : C-arc beams for Philips medical X-ray scanning equipment . Torben Lorentzen .