Influence of Operating Parameters on CO2 Laser Welded Butt Joints of AISI 304 Stainless Steel Thin Sheets
Tóm tắt
In this work, experimental studies were carried out to join the thin AISI 304 stainless steel sheets thickness of 1 mm using CO2 laser. The effect of welding process parameters (i.e. laser power and welding speed) with varying stand-off distance on mechanical properties, temperature distribution and weld induced residual deformation were determined. The microstructures of the fusion zone, heat affected zone, transition zone and base metal were also investigated. The significant effect of welding speed on mechanical properties and weld induced residual deformation was observed. Under laser power of 1500 W, welding speed of 450 mm/min and stand-off distance of 25 mm, maximum tensile strength was achieved about 87.12% of the base metal. Maximum hardness value was obtained in the fusion zone which was about 157.7% of the base material. Fusion zone exhibited the fine equiaxed dendritic structure and grain coarsening was found in heat affected zone. Maximum angular residual deformation (i.e. 0.057°) was observed at laser power of 1500 W, welding speed of 350 mm/min and stand-off distance of 25 mm. It is observed that residual deformation was increased by increasing the laser power and decreasing the welding speed. There was no significant effect of varying stand-off distance on mechanical properties, residual deformation and peak temperature keeping all other parameters constant.
Tài liệu tham khảo
Sinha, A.K., Kima, D.Y., Ceglarek, D.: Correlation analysis of the variation of weld seam and tensile strength in laser welding of galvanized steel. Opt Lasers Eng. 51, 143–1152 (2013)
Chen, W., Ackerson, P., Molian, P.: CO2 laser welding of galvanized steel sheets using vent holes. Mater Des. 30, 245–251 (2009)
Ribolla, A., Damoulis, G.L., Batalha, G.F.: The use of Nd: YAG laser weld for large scale volume assembly of automotive body in white. J Mater Process Technol. 164, 1120–1127 (2005)
Rizzi, D., Sibillano, T., Pietro Calabrese, P., Ancona, A., Mario Lugara, P.: Spectro-scopic, energetic and metallographic investigations of the laser lap welding of AISI 304 using the response surface methodology. Opt Lasers Eng. 49, 892–898 (2011)
Silfvast, W.T.: Laser Fundamentals (Second edition). Cambridge University Press, New York (2004)
Sokolov, M., Salminen, A., Kuznetsov, M., Tsibulskiy, I.: Laser welding and weld hardness analysis of thick section S355 structural steel. Mater Des. 32, 5127–5131 (2011)
Zhang, L., Lu, J.Z., Luo, K.Y., Feng, A.X., Dai, F.Z., Zhong, J.S., Luo, M., Zhang, Y.K.: Residual stress, micro-hardness and tensile properties of ANSI304 stainless steel thick sheet by fiber laser welding. Mater Sci Eng. A561, 136–144 (2013)
Olabi, A.G., Alsinani, F.O., Alabdulkarim, A.A., Ruggiero, A., Tricarico, L., Benyounis, K.Y.: Optimizing the CO2 laser welding process for dissimilar materials. Opt Lasers Eng. 51, 832–839 (2013)
Lakshminarayanan, A.k., Balasubramaniam, V.: Evaluation of micro-structure and mechanical properties of laser beam welded 409M grade ferritic stainless steel. Journal of Iron and Steel Research. 19(1), 72–78 (2012)
Zhang, Y., Sun, D.Q., Gu, X.Y., Li, H.M.: Nd:YAG pulsed laser welding of dissimilar metals of titanium alloy to stainless steel. Int J Adv Manuf Technol. 94, 1073–1085 (2018). https://doi.org/10.1007/s00170-017-0997-3
Mao, K., Wang, H., Wu, Y., Tomar, V., Wharrya, J.P.: Microstructure-property relationship for AISI 304/308L stainless steel laser weldment. Materials Science & Engineering. A721, 234–243 (2018)
Tse, H.C., Man, H.C., Yue, T.M.: Effect of electric and magnetic fields on plasma control during CO2 laser welding. Opt Lasers Eng. 32, 55–63 (1999)
Sathiya, P., AbdulJaleel, M.Y.: Measurement of the bead profile and micro-structural characterization of a CO2 laser welded AISI 904L super-austenitic stainless steel. Opt Laser Technol. 42(6), 960–968 (2010)
Bhadra, R., Pankaj, P., Biswas, P., Dixit, S.: Thermo-mechanical analysis of CO2 laser butt welding on AISI 304 steel thin plates. International Journal of Steel Structures. (2018). https://doi.org/10.1007/s13296-018-0085-z
Mei, L., Yan, D., Yi, J., Chen, G., Ge, X.: Comparative analysis on overlap welding properties of fiber laser and CO2 laser for body-in-white sheets. Mater Des. 49, 905–912 (2013)
Abderrazaka, K., Salem, W.B., Mhiri, H., Lepalec, G., Autric, M.: Modelling of CO2 laser welding of magnesium alloys. Opt Laser Technol. 40, 581–588 (2008)
Perez-Medina, G.Y., Lopez, H.F., Zambrano, P., Reyes-Valde’s, F.A.: Microstructural effects on the mechanical integrity of a TRIP-800 steel welded by laser-CO2 process. ASM international. JMEPEG. 22, 607–612 (2013)
Kumar, P., Sinha, A.N.: Effect of pulse width in pulsed Nd:YAG dissimilar laser welding of austenitic stainless steel (304 L) and carbon steel (st37). Lasers Manuf Mater Process. 5, 317–334 (2018)
Pankaj, P., Tiwari, A., Biswas, P.: Transient thermal analysis of CO2 laser welding of AISI 304 stainless steel thin plates. Manuf Eng. 49–65 (2019)
CVI Laser Optics Melles Griot. Gaussian Beam Optics. http://www.cvimellesgriot.com/Products/Documents/TechnicalGuide/Gaussian-Beam-Optics. pdf (2009, Accessed 14 June 2012)
Kant, R., Joshi, S.N., Dixit, U.S.: An integrated FEM-ANN model for laser bending process with inverse estimation of absorptivity. Mechanics of Advanced Materials and Modern Processes. 1, 6 (2015)
Kant, R., Joshi, S.N.: Numerical modeling and experimental validation of curvilinear laser bending of magnesium alloy sheets. Proc IMechE Part B: J Engineering Manufacture. 228(9), 1036–1047 (2014)
Zhao, H., Debroy, T.: Weld metal composition change during conduction mode laser welding of aluminum alloy 5182. Metall Mater Trans B. 32, 167 (2001)
Chi, C.T., Chao, C.G., Liu, T.F., Lee, C.H.: Aluminum element effect for electron beam welding of similar and dissimilar magnesium–aluminum–zinc alloys. Scripta Mater. 56, 733–736 (2007)
Algahtani, A., Mahmoud, E.R.I.: Effect of Fiber YAG laser parameters on the microstructural and mechanical properties of high strength low alloy steel. International Journal of Materials Engineering. 5(5), 113–120 (2015)
Quan, Y., Chen, Z., Gong, X., Yu, Z.: CO2 laser beam welding of dissimilar magnesium-based alloys. Mater Sci Eng. A496, 45–51 (2008)
Zhu, J., Li, L., Liu, Z.: CO2 and diode laser welding of AZ31 magnesium alloy. Appl Surf Sci. 247, 300–306 (2005)
El-Batahgy, A.-M., Khourshid, A.-F., Sharef, T.: Effect of laser beam welding parameters on microstructure and properties of duplex stainless steel. Mater Sci Appl. 2, 1443–1451 (2011)
Boumerzoug, Z., Derfouf, C., Baudin, T.: Effect of welding on microstructure and mechanical properties of industrial low carbon steel. Engineering. 2, 502–506 (2010)
Sindo K. Welding Metallurgy, second edition, A. John Wiley and Sons Inc. Publuication (2003)
Samantaray, D., Kumar, V., Bhaduri, A.K., Dutta, P.: Microstructural evolution and mechanical properties of type 304 L stainless steel processed in semi-solid state. International Journal of Metallurgical Engineering. 2(2), 149–153 (2013)
Hussain, A., Hamdani, A.H., Akhter, R.: CO2 laser welding of AISI 321stainless steel. IOP Conf. Ser.: Mater. Sci. Eng. 60, 012042 (2014)
Yan, J., GAO, M., Zeng, X.: Study on microstructure and mechanical properties of 304 stainless steel joints by TIG, laser and laser TIG hybrid welding. Opt Lasers Eng. 48, 512–517 (2010)
Casalinoa, G., Guglielmia, P., Lorussoa, V.D., Mortellob, M., Peyrec, P., Sorgented, D.: Laser offset welding of AZ31B magnesium alloy to 316 stainless steel. J Mater Process Technol. 242, 49–59 (2017)
J. W. Elmer, J. Wong, T. Ressler, T. A. Palmer. 6th International Conference on Trends in Welding Research, Pine Mountain 2002;6A:15–19
Sathiya, P., Abdul Jaleel, M.Y.: Influence of shielding gas mixtures on bead profile and microstructural characteristics of super austenitic stainless steel weldments by laser welding. Int J Adv Manuf Technol. 54, 525–535 (2011)
Sokolov, M., Salminen, A., Kuznetsov, M., Tsibulskiy, I.: Laser welding and weld hardness analysis of thick section S355 structural steel. Mater Des. 32(10), 5127–5131 (2011)
Kalaiselvan, K., Elango, A.: Studies on distortion of dissimilar thin sheet weld joints using laser beam welding. World Academy of Science, Engineering and Technology, International Journal of Mechanical and Mechatronics Engineering. 8, 12 (2014)
Das, B., Biswas, P.: Effect of operating parameters on plate bending by laser line heating. Proc. IMechE B J. Eng. Manuf. 1–8 (2015)