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<p>The present work used a multi-layer lap cladding technique to improve the mechanical characteristics and tribology behaviors of laser welding on FeCrMn<sub>X(0.5</sub>) stainless steel. The hydrothermal technique was used in this study to create a multi-element Ni–(Fe–Co–Mn)<sub>X</sub>–Si–Cr–Mo alloy using the Ni, Mn, Si, Cr, and Co element. By adopting a cladding method, the high pressures and temperatures were able to create a special synthesis alloy. Different types of grain regions were detected, including rhombohedral structure (RS), acicular ferrite phase (AFP), solid martensite structure (SMS), and lattic ferrite structure (LFS). The microstructure and mechanical qualities were being enhanced by the heat inputs from laser welding. The α-Fe<sub>2</sub>Mn<sub>0.5</sub> phase, Ni–BiFeO<sub>3</sub> crystal structure, FeCr phase, and BiFe<sub>0.85</sub>Ni<sub>0.15</sub>O<sub>3</sub> phase were observed as two typical regions on Ni-based coating procedure of outer surface layer. The rhombohedral structure and solid NiFeCr crystal structure immediately reflected into the outer surface layer Ni<sub>1</sub> &lt; 001 &gt; , Ni<sub>2</sub> &lt; 110 &gt; , and Ni<sub>3</sub> &lt; 220 &gt; for 0° to 180° angle, as the texture image on the Ni–(Fe–Co–Mn)<sub>X</sub> alloy demonstrated. The cladding technique enhanced the solidification and hardening of Ni content alloy samples. However, dynamic examinations of the laser-cladded sample revealed values of 5.67 × 10<sup>−6</sup> and − 0.4&#xa0;V, hardness value are higher than the12% of Ni–Si–Cr–Mo alloy.</p>

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Influence of Ni Alloy Content on Ni–BiFeO3 Crystal Pole Phase and Tribology of Laser (Fe–Co–Mn)X–Si–Cr–Mo Claddings Coating by FeCrMnX(0.5) Stainless Steel

  • 期刊论文

  • 发表日期：

    2025年7月2日

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  • R. Selvabharathi,
  • P. C. Rajarajan,
  • K. Kulathuraan

摘要

The present work used a multi-layer lap cladding technique to improve the mechanical characteristics and tribology behaviors of laser welding on FeCrMnX(0.5) stainless steel. The hydrothermal technique was used in this study to create a multi-element Ni–(Fe–Co–Mn)X–Si–Cr–Mo alloy using the Ni, Mn, Si, Cr, and Co element. By adopting a cladding method, the high pressures and temperatures were able to create a special synthesis alloy. Different types of grain regions were detected, including rhombohedral structure (RS), acicular ferrite phase (AFP), solid martensite structure (SMS), and lattic ferrite structure (LFS). The microstructure and mechanical qualities were being enhanced by the heat inputs from laser welding. The α-Fe2Mn0.5 phase, Ni–BiFeO3 crystal structure, FeCr phase, and BiFe0.85Ni0.15O3 phase were observed as two typical regions on Ni-based coating procedure of outer surface layer. The rhombohedral structure and solid NiFeCr crystal structure immediately reflected into the outer surface layer Ni1 < 001 > , Ni2 < 110 > , and Ni3 < 220 > for 0° to 180° angle, as the texture image on the Ni–(Fe–Co–Mn)X alloy demonstrated. The cladding technique enhanced the solidification and hardening of Ni content alloy samples. However, dynamic examinations of the laser-cladded sample revealed values of 5.67 × 10−6 and − 0.4 V, hardness value are higher than the12% of Ni–Si–Cr–Mo alloy.