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<p>An investigation on additive-built stainless steel (SS316L) material is proposed to evaluate the mechanical properties using a numerical evaluation method. The mechanical properties in axial loading and impact analysis are performed. From the axial loading, the material’s strength is noticed as 609.1&#xa0;MPa with 40% elongation. Subsequently, the impact strength is noticed as 79&#xa0;J from the numerical analysis. Further in this research, the steel test coupons (SS316L) are developed through an additive manufacturing process. The Laser Powder Bed Fusion (LPBF) with industrial standard process parameters is used to print the test coupons for mechanical properties evaluation. The experimental coupon strength is observed as 609&#xa0;MPa with 41% elongation, which is closest to the simulated evaluation, and also the impact strength is noticed as 92&#xa0;J in experimentation, which is greater than the simulated evaluation. The microstructural characterization is carried out on the fractured surface using scanning electron microscopy.</p>

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Linking computational models with experimental evidence for mechanical analysis of additive built stainless steel material

  • 期刊论文

  • 发表日期：

    2026年2月11日

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  • P. Dinesh Kumar,
  • S. Kavitha,
  • M. Adam Khan,
  • J. T. Winowlin Jappes

摘要

An investigation on additive-built stainless steel (SS316L) material is proposed to evaluate the mechanical properties using a numerical evaluation method. The mechanical properties in axial loading and impact analysis are performed. From the axial loading, the material’s strength is noticed as 609.1 MPa with 40% elongation. Subsequently, the impact strength is noticed as 79 J from the numerical analysis. Further in this research, the steel test coupons (SS316L) are developed through an additive manufacturing process. The Laser Powder Bed Fusion (LPBF) with industrial standard process parameters is used to print the test coupons for mechanical properties evaluation. The experimental coupon strength is observed as 609 MPa with 41% elongation, which is closest to the simulated evaluation, and also the impact strength is noticed as 92 J in experimentation, which is greater than the simulated evaluation. The microstructural characterization is carried out on the fractured surface using scanning electron microscopy.