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<p>A successful attempt has been done to use conventional&#xa0;gas metal arc welding (GMAW) to increase the melt-pool sledding in width using SiC-reinforced with AISI304 stainless steel (ASS) clad layer on low carbon steel (LCS) substrate. Defect-free melt-pool sledding width was observed at voltages greater than 24&#xa0;V, with a feed rate of 5&#xa0;m/min to 6&#xa0;m/min. Additionally, a uniformly distributed fine SiC-reinforced clad layer with improved clad dilution on the LCS substrate was found. SiC-reinforced clad layer showed hard-intermetallic phases such as Cr<sub>7</sub>C<sub>3</sub>, Fe<sub>5</sub>C<sub>2</sub>, Fe<sub>2</sub>C, Mn<sub>3</sub>Ni<sub>2</sub>Si, and CrSi<sub>2</sub>. Additionally, the hardened phases in the SiC-ASS clad layer enhanced the hardness to 519 HV0.5, compared to 177 HV0.5 for the LCS substrate. The SiC-ASS clad layer also improved wear resistance up to eight times that of the LCS substrate.</p>

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Melt-Pool Sledding of SiC-AISI304 Stainless Steel Cladding on Low-Carbon Steel Using Gas Metal Arc Welding Process

  • 期刊论文

  • 发表日期：

    2025年8月14日

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  • Mohd Aslam,
  • Ahmad Baharuddin Abdullah,
  • Guddakesh Kumar Chandan,
  • Mehdi Mehtab Mirad

摘要

A successful attempt has been done to use conventional gas metal arc welding (GMAW) to increase the melt-pool sledding in width using SiC-reinforced with AISI304 stainless steel (ASS) clad layer on low carbon steel (LCS) substrate. Defect-free melt-pool sledding width was observed at voltages greater than 24 V, with a feed rate of 5 m/min to 6 m/min. Additionally, a uniformly distributed fine SiC-reinforced clad layer with improved clad dilution on the LCS substrate was found. SiC-reinforced clad layer showed hard-intermetallic phases such as Cr7C3, Fe5C2, Fe2C, Mn3Ni2Si, and CrSi2. Additionally, the hardened phases in the SiC-ASS clad layer enhanced the hardness to 519 HV0.5, compared to 177 HV0.5 for the LCS substrate. The SiC-ASS clad layer also improved wear resistance up to eight times that of the LCS substrate.