Microstructure evaluation and mechanical properties of a friction stir spot welded TRIP 800 steel

References

• Baron J, Shaw J. Tool-and-die shops collaborate to help automotive OEMs and their suppliers form advanced high-strength steels; 2007 [cited 2007 Oct 5]. Available from: http://www.autosteel.org
   Google Scholar
• Furusako , S and Miyazaki , Y . 2007 . Improvement of crashworthiness by application of high-strength steel . Nippon Steel Technical Report , : 35 – 38 .
   Google Scholar
• De Cooman , BC . 2004 . Structure–properties relationship in TRIP steels containing carbide-free bainite . Curr Opin Solid State Mater Sci , 8 : 285 – 303 .
   Web of Science ®Google Scholar
• Jacques , PJ . 2001 . The developments of cold-rolled TRIP-assisted multiphase steels. Al-alloyed TRIP-assisted steels . ISIJ Int , 41 ( 9 ) : 1068 – 1074 .
   Web of Science ®Google Scholar
• Srivastava , AK . 2006 . Effect of heat treatment on microstructure and mechanical properties of cold rolled C–Mn–Si TRIP-aided steel . Mater Characterisation , 57 : 127 – 135 .
   Web of Science ®Google Scholar
• Kim , SJ . 2001 . Effects of heat treatment and alloying elements on the microstructures and mechanical properties of 0.15 wt pct C transformation-induced plasticity-aided cold rolled steel plates . Metall Mater Trans A. , 32 ( 3 ) : 505 – 514 .
   Google Scholar
• Srivastava , AK . 2007 . Microstructure and mechanical characterisation of C–Mn–Al–Si cold-rolled TRIP-aided steel . Mater Sci Eng A , 445–446 : 549 – 557 .
   Web of Science ®Google Scholar
• Kaneko , Y . 2007 . Material characteristics of TRIP steel with self-diagnosis and application to structural systems . Smart Mater Struct , 16 : 2464 – 2476 .
   Google Scholar
• Shi G, Westgate S. Techniques for improving the weldability of TRIP steel using resistance spot welding [cited 2007 Sept 24]. Available from: http://www.msms.cam.ac.uk/phase-trans/2005/LINK/89.pdf
   Google Scholar
• Haferkamp , H , Meier , O and Harley , K . 2007 . Laser beam welding of new high strength steels for auto body construction . Key Eng Mater , 344 : 723 – 730 .
   Google Scholar
• Wesling . 2005 . Widerstandspunktschweiβem moderner Mehrphasenenstähle . TUC Forcschung-Stähle , : 54 – 58 .
   Google Scholar
• Williams , NT and Parker , JD . 2004 . Review of resistance spot welding of steel sheets – part 2: factors influencing electrode life . Int Mater Rev , 49 ( 2 ) : 77 – 108 .
   Web of Science ®Google Scholar
• Müftüo Lu , F and Keskinel , T . 2007 . Effect of coating thickness on electrode life in spot welding of galvanized steels . Turkish J Eng Environ Sci , 31 : 183 – 187 .
   Google Scholar
• Daneshpour , S . 2007 . Failure behaviour of laser spot welds of TRIP800 steel sheets under coach-peel loading . Sci Technol Weld Join , 12 ( 6 ) : 508 – 515 .
   Web of Science ®Google Scholar
• Mazzaferro , CCP . 2007 . Friction stir spot welding of a TRIP 800 steel , Proceedings of the International Seminar on Friction Stir Welding of Steels, 2007, Geesthacht, Germany
   Google Scholar
• Khan , MI . 2007 . Resistance and friction stir spot welding of DP600: a comparative study . Sci Technol Weld Join , 12 ( 2 ) : 175 – 182 .
   Web of Science ®Google Scholar
• Kyffin , WJ . 2006 . Recent developments in friction stir spot welding of automotive steels , Proceedings of the Sheet Metal Welding Conference XII, 2006, Livinoia, MI, USA
   Google Scholar
• Kyffin , WJ . 2006 . Progress in FSSW of DP 800 high strength automotive steel , Proceedings of the 6th International Symposium of Friction Stir Welding, 2006, Quebec, Canada
   Google Scholar
• Feng Z, et al. Friction stir spot welding of advanced high-strength steels: a feasibility study, SAE Technical Paper 2005-01-1248; 2005
   Google Scholar
• Mazzaferro CCP. Friction stir spot welding and mechanical mixture of a TRIP 800 steel: process, microstructure and properties [Doctorate thesis]. Federal University of Rio Grande do Sul; 2008
   Google Scholar
• Girault , E , Jacques , P , Harlet , P , Mols , K , Van Humbeeck , J , Aernoudt , E and Delannay , F . 1998 . Metallographic methods for revealing the multiphase microstructure of TRIP-assisted steels . Mater Characterization , 40 ( 2 ) : 111 – 118 .
   Web of Science ®Google Scholar
• Modenesi PJ. Weldability of transformable steels [cited 2008 May 30]. Available from: http://www.demet.ufmg.br/labs/soldagem/textos/metferritic.pdf
   Google Scholar
• International Organization for Standardization ISO . 2000 . 14273 (E). Specimen dimensions and procedure for shear testing resistance spot, seam and embossed projection welds 8 p
   Google Scholar
• Kyffin , WJ . 2006 . Progress in FSSW of DP 800 high strength automotive steel , Proceedings of the 6th International Symposium of Friction Stir Welding, Canada
   Google Scholar
• Santella ML, et al. Friction-stir-spot-welding of high strength steel, FY 2006 Progress Report [cited 2008 June 12]. Available from: http://www1.eere.energy.gov/vehiclesandfuels/pdfs/alm_06/5d_santella.pdf
   Google Scholar
• Bhadeshia , HKDH . 1995 . Mathematical modelling of weld phenomena , Edited by: Cerjak , H and Bhadeshia , HKDH . 71 – 118 . London : Institute of Materials .
   Google Scholar
• Hanlon , DN , Sietsma , J and van der Zwaag , S . 2001 . The effect of plastic deformation of austenite on the kinetics of subsequent ferrite formation . ISIJ Int. , 41 : 1028 – 1036 .
   Web of Science ®Google Scholar
• Ryu , H-B , Speer , JG and Wise , JP . 2002 . Effect of thermo-mechanical processing on the retained austenite content in a Si-Mn transformation induced plasticity steel . Metall Mater Trans A , : 2811 – 2816 .
   Google Scholar
• Hong , SC . 2003 . Effect of undercooling of austenite on strain induced ferrite transformation behaviour . ISIJ Int. , 43 ( 3 ) : 394 – 399 .
   Web of Science ®Google Scholar
• Liu , X , Solberg , JK and Jengedal , R . 1995 . Measurement of austenite-to-ferrite transformation temperature after multi-pass deformation of steels . Mater Sci Eng A , 194 : 15 – 18 .
   Google Scholar
• Bhadeshia , KHDH . 2006 . Coalesced bainite . Trans Indian Inst Metals , 59 : 689 – 694 .
   Web of Science ®Google Scholar
• Keehan , E . 2006 . New developments with C–Mn–Ni high-strength steel weld metals, Part A – microstructure . Weld J , 85 : 200s – 210s .
   Web of Science ®Google Scholar
• Bhadeshia , HKDH . 2001 . Bainite in steels , London : Institute of Materials .
   Google Scholar
• Larn , RH and Yarn , JR . 2000 . The effect of compressive deformation of austenite on the bainite ferrite transformations in Fe–Mn–Si–C steels . Mater Sci Eng A , 278 : 278 – 291 .
   Google Scholar
• Bhadeshia , HKDH . 1995 . Possible effects of stress on steel weld microstructures , Mathematical modelling of weld phenomena 71 – 118 . London : Institute of Materials .
   Google Scholar
• Jandova , D . 2004 . Microstructure and phase transformations in alloy steels and simulations of their processing , AEDS workshop Pilsen, Czech Republic [cited 2007 Nov 9]. Available from: http://www.kks.zcu/aeds/workshop/2004/fullpapers/113.pdf
   Google Scholar
• Jun , J-H and Choi , C-S . 1998 . Variation of stacking fault energy with austenite grain size and its effect on the Ms temperature and γ → ϵ martensite transformation in Fe–Mn alloys . Mater Sci Eng A , A257 : 353 – 356 .
   Web of Science ®Google Scholar
• Wan , J , Chen , S and Hsu , TY . 2003 . J Phys IV , 112 : 381 – 384 .
   Google Scholar
• Zaefferer , S , Ohlert , J and Bleck , W . 2004 . A study of microstructure, transformation mechanisms and correlation between microstructure and properties of a low alloyed TRIP steel . Acta Mater , 52 : 2765 – 2778 .
   Web of Science ®Google Scholar
• Jacques , PJ . 2007 . Multi-scale mechanics of TRIP-assisted multiphase steels: I. Characterisation and mechanical testing . Acta Mater , 55 : 3681 – 3693 .
   Web of Science ®Google Scholar
• American Welding Society (AWS) D8 . 2007 . 1M. Specification for automotive weld quality – resistance spot welding of steel 28 p
   Google Scholar