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Experimental studies on friction-stir welding of AA6061 using Inconel 601 tool

  • Nimai Haldar
  • Saurav Datta
  • Rajneesh Kumar
Technical Paper
  • 66 Downloads

Abstract

Nickel-based superalloy Inconel 601 has been used as tool material during friction-stir butt welding of AA6061-T6 plates. The unique properties of Inconel 601 viz. excellent high-temperature strength, strong work-hardening tendency, and high resistance to wear have been reported beneficial to utilize the material for potential use of FSW tool. Welding has been carried out in different combinations of tool rotation and traverse speed; joint performance in terms of ultimate tensile strength and micro-hardness has been studied. Optical microscopy has revealed existence of fine equiaxed gains at the nugget zone promoting relatively more refined grain structure as compared to the parent material. In few specimens, welding induced defects such as weld flash, kissing bond, zigzag line and tunnel defects have been identified. Maximum tensile strength ~ 133 MPa has been obtained at tool rotational speed ~ 1120 RPM and traverse speed ~ 40 mm/min. Fractographic analysis has revealed two distinct types of fracture mode in the specimens which have failed before the joint and at the joint, respectively. The specimens, failed before the weld zone, have corresponded to ductile fracture mode indicating dimples and ripples. On the contrary, beach marks (wavy patterns) have been noticed in the fractographic analysis of specimens which failed at the weld zone. After completing all welding experiments, the tool has been found not affected by wear, profile distortion by plastic deformation. Hence, application of the said tool can be advised provided the cost of machining the tool with desired pin profile is compromised.

Keywords

Superalloy Inconel 601 Friction-stir butt welding AA6061-T6 

Notes

Acknowledgements

Authors gratefully acknowledge the support rendered by Dr. Francisco Ricardo Cunha, Editor-In-Chief, Journal of the Brazilian Society of Mechanical Sciences and Engineering (BMSE). Special thanks go to the anonymous reviewers for their valuable constructive comments and suggestions to make the paper a good contributor.

References

  1. 1.
    Kumar DA, Biswas P, Tikader S, Mahapatra MM, Mandal NR (2013) A study on friction stir welding of 12 mm thick aluminum alloy plates. J Mar Sci Appl 12(4):493–499CrossRefGoogle Scholar
  2. 2.
    Kadaganchi R, Gankidi MR, Gokhale H (2015) Optimization of process parameters of aluminum alloy AA 2014-T6 friction stir welds by response surface methodology. Def Technol 11(3):209–219CrossRefGoogle Scholar
  3. 3.
    Ahmadnia M, Shahraki S, Kamarposhti MA (2016) Experimental studies on optimized mechanical properties while dissimilar joining AA6061 and AA5010 in a friction stir welding process. Int J Adv Manuf Technol 87(5–8):2337–2352CrossRefGoogle Scholar
  4. 4.
    Rai R, De A, Bhadeshia HKDH, DebRoy T (2011) Review: friction stir welding tools. Sci Technol Weld Join 16(4):325–342CrossRefGoogle Scholar
  5. 5.
    Shah PH, Badheka VJ (2017) Friction stir welding of aluminium alloys: an overview of experimental findings—process, variables, development and applications. Proc Inst Mech Eng Part L J Mater Des Appl.  https://doi.org/10.1177/1464420716689588 CrossRefGoogle Scholar
  6. 6.
    Fujii H, Cui L, Maeda M, Nogi K (2006) Effect of tool shape on mechanical properties and microstructure of friction stir welded aluminum alloys. Mater Sci Eng A 419(1–2):25–31CrossRefGoogle Scholar
  7. 7.
    Sakthivel T, Mukhopadhyay J (2007) Microstructure and mechanical properties of friction stir welded copper. J Mater Sci 42(19):8126–8129CrossRefGoogle Scholar
  8. 8.
    Bastier A, Maitournam MH, Roger F, Van KD (2008) Modelling of the residual state of friction stir welded plates. J Mater Process Technol 200(1–3):25–37CrossRefGoogle Scholar
  9. 9.
    Balasubramanian V (2008) Relationship between base metal properties and friction stir welding process parameters. Mater Sci Eng A 480(1–2):397–403CrossRefGoogle Scholar
  10. 10.
    Elangovan K, Balasubramanian V (2008) Influences of tool pin profile and welding speed on the formation of friction stir processing zone in AA2219 aluminium alloy. J Mater Process Technol 200(1–3):163–175CrossRefGoogle Scholar
  11. 11.
    Cavaliere P, Squillace A, Panella F (2008) Effect of welding parameters on mechanical and microstructural properties of AA6082 joints produced by friction stir welding. J Mater Process Technol 200(1–3):364–372CrossRefGoogle Scholar
  12. 12.
    Elangovan K, Balasubramanian V, Babu S (2009) Predicting tensile strength of friction stir welded AA6061 aluminium alloy joints by a mathematical model. Mater Des 30(1):188–193CrossRefGoogle Scholar
  13. 13.
    Padmanaban G, Balasubramanian V (2010) An experimental investigation on friction stir welding of AZ31B magnesium alloy. Int J Adv Manuf Technol 49(1–4):111–121CrossRefGoogle Scholar
  14. 14.
    Rajakumar S, Muralidharan C, Balasubramanian V (2011) Statistical analysis to predict grain size and hardness of the weld nugget of friction-stir-welded AA6061-T6 aluminium alloy joints. Int J Adv Manuf Technol 57(1–4):151–165CrossRefGoogle Scholar
  15. 15.
    Heidarzadeh A, Khodaverdizadeh H, Mahmoudi A, Nazari E (2012) Tensile behavior of friction stir welded AA 6061-T4 aluminum alloy joints. Mater Des 37:166–173CrossRefGoogle Scholar
  16. 16.
    Rajakumar S, Balasubramanian V (2012) Correlation between weld nugget grain size, weld nugget hardness and tensile strength of friction stir welded commercial grade aluminium alloy joints. Mater Des 34:242–251CrossRefGoogle Scholar
  17. 17.
    Roshan SB, Jooibari MB, Teimouri R, Asgharzadeh-Ahmadi G, Falahati-Naghibi M, Sohrabpoor H (2013) Optimization of friction stir welding process of AA7075 aluminum alloy to achieve desirable mechanical properties using ANFIS models and simulated annealing algorithm. Int J Adv Manuf Technol 69(5–8):1803–1818CrossRefGoogle Scholar
  18. 18.
    Rajakumar S, Razalrose A, Balasubramanian V (2013) Friction stir welding of AZ61A magnesium alloy: a parametric study. Int J Adv Manuf Technol 68(1–4):277–292CrossRefGoogle Scholar
  19. 19.
    Sadeesh P, Venkatesh MK, Rajkumar V, Avinash P, Arivazhagan N, Devendranath RK, Narayanan S (2014) Studies on friction stir welding of AA 2024 and AA 6061 dissimilar metals. Procedia Eng 75:145–149CrossRefGoogle Scholar
  20. 20.
    Amini S, Amiri MR (2014) Study of ultrasonic vibrations’ effect on friction stir welding. Int J Adv Manuf Technol 73(1–4):127–135CrossRefGoogle Scholar
  21. 21.
    Yasui T, Mizushima H, Tsubaki M, Fujita T, Fukumoto M (2014) Influence of tool shape on friction stir welded joint of aluminum and steel with circular weld line. Procedia Eng 81:2092–2097CrossRefGoogle Scholar
  22. 22.
    Gadakh VS, Kumar A (2014) Friction stir welding window for AA6061-T6 aluminium alloy. Proc Inst Mech Eng Part B J Eng Manuf 228(9):1172–1181CrossRefGoogle Scholar
  23. 23.
    Hejazi I, Mirsalehi SE (2016) Mechanical and metallurgical characterization of AA6061 friction stir welded joints using microhardness map. Trans Nonferrous Met Soc China 26(9):2313–2319CrossRefGoogle Scholar
  24. 24.
    Jangra KK, Sharma N, Khanna R, Matta D (2016) An experimental investigation and optimization of friction stir welding process for AA6082 T6 (cryogenic treated and untreated) using an integrated approach of Taguchi, grey relational analysis and entropy method. Proc Inst Mech Eng Part L J Mater Des Appl 230(2):454–469Google Scholar
  25. 25.
    Hejazi I, Mirsalehi SE (2016) Effect of pin penetration depth on double-sided friction stir welded joints of AA6061-T913 alloy. Trans Nonferrous Met Soc China 26(3):676–683CrossRefGoogle Scholar
  26. 26.
    Sahu PK, Pal S (2017) Effect of FSW parameters on microstructure and mechanical properties of AM20 welds. Mater Manuf Process.  https://doi.org/10.1080/10426914.2017.1279295 CrossRefGoogle Scholar
  27. 27.
    Reza-E-Rabby M, Reynolds AP (2018) Some effects of tool geometric features on friction stir weld response parameters. Sci Technol Weld Join.  https://doi.org/10.1080/13621718.2018.1430009 CrossRefGoogle Scholar
  28. 28.
    Shalin M, Hiten M (2018) Experimental analysis on effect of tool transverse feed, tool rotational speed and tool pin profile type on weld tensile strength of friction stir welded joint of AA 6061. Mater Today Proc 5(1):487–493CrossRefGoogle Scholar
  29. 29.
    Shen J, Wang D, Liu K (2012) Effects of pin diameter on microstructures and mechanical properties of friction stir spot welded AZ31B magnesium alloy joints. Sci Technol Weld Join 17(5):357–363CrossRefGoogle Scholar
  30. 30.
    Thomas WM (2003) Friction stir welding—recent developments. Mater Sci Forum 426–432:229–236CrossRefGoogle Scholar
  31. 31.
    Thomas WM, Threadgill PL, Nicholas ED (1999) Feasibility of friction stir welding steel. Sci Technol Weld Join 4(6):365–372CrossRefGoogle Scholar
  32. 32.
    Bhadeshia H, DebRoy T (2009) Critical assessment: friction stir welding of steels. Sci Technol Weld Join 14(3):193–196CrossRefGoogle Scholar
  33. 33.
    Cam G (2011) Friction stir welded structural materials: beyond Al alloys. Int Mater Rev 56(1):1–48CrossRefGoogle Scholar
  34. 34.
    Buffa G, Hua J, Shivpuri R, Fratini L (2006) Design of the friction stir welding tool using the continuum based FEM model. Mater Sci Eng A 419(1–2):381–388CrossRefGoogle Scholar
  35. 35.
    Zhang YN, Cao X, Larose S, Wanjara P (2012) Review of tools for friction stir welding and processing. Can Metall Q 51(3):250–261CrossRefGoogle Scholar
  36. 36.
    Meilinger A, Török I (2013) The importance of friction stir welding tool. Prod Process Syst 6(1):25–34Google Scholar
  37. 37.
    Sato YS, Nagahama Y, Mironov S, Kokawa H, Park SHC, Hirano S (2012) Microstructural studies of friction stir welded Zircaloy-4. Scr Mater 67(3):241–244CrossRefGoogle Scholar
  38. 38.
    Murr LE, Liu G, McClure JC (1998) A TEM study of precipitation and related microstructures in friction-stir-welded 6061 aluminium. J Mater Sci 33(5):1243–1251CrossRefGoogle Scholar
  39. 39.
    Jata KV, Semiatin SL (2000) Continuous dynamic recrystallization during friction stir welding of high strength aluminum alloys. Scr Mater 43(8):743–749CrossRefGoogle Scholar
  40. 40.
    Bo L, Yifu S, Weiye H (2011) The study on defects in aluminum 2219-T6 thick butt friction stir welds with the application of multiple non-destructive testing methods. Mater Des 32:2073–2084CrossRefGoogle Scholar
  41. 41.
    Keivani R, Bagheri B, Sharifi F, Ketabchi M, Abbasi M (2013) Effects of pin angle and preheating on temperature distribution during friction stir welding operation. Trans Non Ferrous Met Soc China 23(9):2708–2713CrossRefGoogle Scholar
  42. 42.
    Grujicic M, Arakere G, Yalavarthy HV, He T, Yen CF, Cheeseman BA (2010) Modeling of AA5083 material-microstructure evolution during butt friction stir welding. J Mater Eng Perform 19(5):672–684CrossRefGoogle Scholar
  43. 43.
    Kumar K, Satish Kailas V (2008) The role of friction stir welding tool on material flow and weld formation. Mater Sci Eng A 485(1–2):367–374CrossRefGoogle Scholar
  44. 44.
    Xiaopeng H, Yang X, Cui L, Zhou G (2014) Influences of joint geometry on defects and mechanical properties of friction stir welded AA6061-T4 T-joints. Mat Des 53:106–117CrossRefGoogle Scholar
  45. 45.
    Zhao Y, Zhou L, Wang Q, Yan K, Zou J (2014) Defects and tensile properties of 6013 aluminum alloy T-joints by friction stir welding. Mater Des 57:146–155CrossRefGoogle Scholar
  46. 46.
    Kah P, Rajan R, Martikainen J, Suoranta R (2015) Investigation of weld defects in friction-stir welding and fusion welding of aluminium alloys. Int J Mech Mater Eng 10(26):1–10Google Scholar
  47. 47.
    Kim YG, Fujii H, Tsumura T, Komazaki T, Nakata K (2006) Three defect types in friction stir welding of aluminum die casting alloy. Mater Sci Eng A 415(1–2):250–254CrossRefGoogle Scholar
  48. 48.
    Di S, Yang X, Fang X, Luan G (2007) The influence of zigzag curve defect on the fatigue properties of friction stir welds in 7075-T6 al alloy. Mater Chem Phys 104(2–3):244–248CrossRefGoogle Scholar
  49. 49.
    Liu HJ, Shen JJ, Huang YX, Kuang LY, Liu C, Li C (2009) Effect of tool rotation rate on microstructure and mechanical properties of friction stir welded copper. Sci Technol Weld Join 14(6):577–583CrossRefGoogle Scholar
  50. 50.
    Yabuuchi K, Tsuda N, Kimura N, Morisada Y, Fujii H, Serizawa H, Nogami S, Hasegawa A, Nagasaka T (2014) Effects of tool rotation speed on the mechanical properties and microstructure of friction stir welded ODS steel. Mater Sci Eng A 595(2014):291–296CrossRefGoogle Scholar
  51. 51.
    Xu W, Liu J, Luan G, Dong C (2009) Microstructure and mechanical properties of friction stir welded joints in 2219-T6 aluminum alloy. Mat Des 30:3460–3467CrossRefGoogle Scholar
  52. 52.
    Jeong DH, Erb U, Aust KT, Palumbo G (2003) The relationship between hardness and abrasive wear resistance of electrodeposited nanocrystalline Ni–P coatings. Scr Mater 48:1067–1072CrossRefGoogle Scholar

Copyright information

© The Brazilian Society of Mechanical Sciences and Engineering 2018

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringNational Institute of TechnologyRourkelaIndia
  2. 2.Engineering DivisionCSIR-NMLJamshedpurIndia

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