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GUO Xiao, HE Peng, XU Kai, CHEN Peiyin, CHEN Bo, HUO Shubin. Effect of remelting current on microstructure of deposited metal with ERNiCrFe-13 nickel alloy wire[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2020, 41(10): 6-10. DOI: 10.12073/j.hjxb.20200508001
Citation: GUO Xiao, HE Peng, XU Kai, CHEN Peiyin, CHEN Bo, HUO Shubin. Effect of remelting current on microstructure of deposited metal with ERNiCrFe-13 nickel alloy wire[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2020, 41(10): 6-10. DOI: 10.12073/j.hjxb.20200508001

Effect of remelting current on microstructure of deposited metal with ERNiCrFe-13 nickel alloy wire

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  • Received Date: May 07, 2020
  • Available Online: November 25, 2020
  • Effect of remelting current on microstructure of remelting spot without feeding wire on deposited metal with experimental ERNiCrFe-13 nickel alloy wire was investigated by OM, SEM, EDS, JMatPro software, ImagePro software etc. Results indicated that weld width, penetration, SDAS (λ2) increased with increasing remelting current, the relationship between remelting current and SDAS conforms to λ2 = 0.682 I1/3, correlation coefficient R2 = 0.95. The average and maximum area of correlation coefficient γ/Laves eutectic microstructure increased with remelting current. With dendrite coarsening, γ/Laves eutectic microstructure number decreased. Solidification cracking exacerbate with increasing remelting current owing to the coupled effect of both enlarged γ/Laves eutectic microstructure and increasing strain.
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