Journal of Innovative Research in Engineering Sciences



Investigation of microstructures of weld metal and heat affected zone (HAZ) in submerged arc welding(SAW) in the presence of cerium oxide nano- particles

Alireza Saleh

Due to the increasing growth of nanomaterial science and abundant reported studies on Nano materials and the extensive use of nanomaterials in welding, this study investigates the composition and distribution of cerium nanomaterial in submerged welds, and for this purpose, welded samples with different thicknesses of cerium oxide nanoparticles were tested for investigating microstructure. In this part of experiments, optical microscopic images, scanning electron microscopic images and microstructure of weld metal were studied. The experiments were carried out at the Razi metallurgical research center. As a result, we found that the weld metal with a 0.5 mm cerium oxide nanocoating had a finer grain structure than that of a weld metal without a nanocoating, and one of the reasons for the presence of oxides and inclusions, is to form the seeds of ferrite grain and needle ferrite.

Published on the web: 2018-12-09
Received : 2018-11-16
Submitting : 2018-10-12
Keyword:1- Weld
Keyword:2- Nano-cerium
Keyword:3- Microstructure
Keyword:4- distribution
Keyword:5- submerged

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  1. Carson, H. L. (1967). ASTM standards: Part 30, General test methods, 1098pp (1967) Part 31, Physical and mechanical testing of metals; Non-destructive tests, 966pp (1967). [Scholar]
  2. S. Liu and D. L. Olson, 1986, “Role of Inclusions in Controlling HSLA Steel Weld Microstructures”, The Welding Journal, Vol. 2 No. 6, pp. 139s–149s. [Scholar]
  3. Bhatti, A. R., Saggese, M. E., Hawkins, D. N., Whiteman, J. A., & Golding, M. S. (1984). Analysis of inclusions in submerged arc welds in microalloyed steels. Welding journal63(7), S224-S230. [Scholar]
  4. Karao?lu, S., & Secgin, A. (2008). Sensitivity analysis of submerged arc welding process parameters. journal of materials processing technology202(1-3), 500-507. [Scholar]
  5. Evans, G. M., & Bailey, N. (1997). Metallurgy of basic weld metal. Elsevier. [Scholar]
  6. Nowacki, J., & Rybicki, P. (2005). The influence of welding heat input on submerged arc welded duplex steel joints imperfections. Journal of Materials Processing Technology164, 1082-1088. [Scholar]
  7. Lee, C. S., Chandel, R. S., & Seow, H. P. (2000). Effect of welding parameters on the size of heat affected zone of submerged arc welding. Materials and Manufacturing Processes15(5), 649-666. [Scholar]
  8. ASTM, E. (2014). E 415-2014. Standard test method for Analysis of carbon and low alloy steel by spark atomic emission spectrometry. ASTM Annual Book of Standards. [Scholar]
  9. Kasuya, T., & Hashiba, Y. (2006). Carbon equivalent to assess hardenability of steel and prediction of HAZ hardness distribution. SHINNITTETSU GIHO385, 48. [Scholar]
  10. Thomas, R. D. (1977). Submerged-Arc Welding of HSLA Steels for Low-Temperature Service. Metal Progress111(4), 30-36. [Scholar]
  11. Khan, M. I. (2007). Welding science and technology. New Age International. [Scholar]
  12. Berthier, A., Paillard, P., Carin, M., Valensi, F., & Pellerin, S. (2012). TIG and A-TIG welding experimental investigations and comparison to simulation: Part 1: Identification of Marangoni effect. Science and technology of welding and joining17(8), 609-615. [Scholar]
  13. Chern, T. S., Tseng, K. H., & Tsai, H. L. (2011). Study of the characteristics of duplex stainless steel activated tungsten inert gas welds. Materials & Design32(1), 255-263. [Scholar]
  14. Kou, S. (2003). Welding metallurgy. New Jersey, USA, 431-446. [Scholar]
  15. Woodilla, J.J.E., Hunt, G.W. and Green, J.W.B., Timken US LLC, (1975). Thermal treatment of steel. U.S. Patent 3,895,972. [Scholar]
  16. American Society for Testing and Materials. (1987). Annual Book of ASTM Standards: Metals Test Methods and Analytical Procedures. Wear and Erosion, Metal Corrosion. Astm. [Scholar]