ArticleMaterials (Basel, Switzerland)2023
Microstructural and Nanoindentation Investigation on the Laser Powder Bed Fusion Stainless Steel 316L.
Article in Materials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Correlation Between Microstructure and Mechanical Performance of an L-PBF 316L Alloy with an ISE-Free Parameter.Materials (Basel, Switzerland) · 2026Article
- Microstructure and Performance Evolution of Post-Plastic Deformed Austenitic Stainless Steel Fabricated by Selective Laser Melting.Micromachines · 2025Article
- On the Mechanical Performance of an L-PBF 316l Part Using the Performance-Line Instrumented Indentation Test (PL-IIT).Materials (Basel, Switzerland) · 2025Article
- Micro-Scale Deformation Aspects of Additively Fabricated Stainless Steel 316L under Compression.Materials (Basel, Switzerland) · 2024Article
- Nanoscale and Tensile-Like Properties by an Instrumented Indentation Test on PBF-LB SS 316L Steel.Materials (Basel, Switzerland) · 2024Article
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Authors and funding
3 authors.
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Abstract
Additive manufacturing (AM) of stainless steel is more difficult than other metallic materials, as the major alloying elements of the stainless steel are prone to oxidation during the fabrication process. In the current work, specimens of the stainless steel 316L were made by the powder laser bed fusion (P-LBF) additive manufacturing process. These specimens were investigated by electron microscopy and micro-/nano-indentation techniques to investigate the microstructural aspects and the mechanical properties, respectively. Compositionally, a similar wrought stainless steel was subjected to identical investigation, and used as a benchmark material. The microstructure of the P-LBF-processed alloy shows both equiaxed and elongated grains, which are marginally smaller (3.2-3.4 μm) than that of the wrought counterpart (3.6 μm). Withstanding such marginal gain size refinement, the increase in shear stress and hardness of the L-PBF alloy was striking. The L-PBF-processed alloy possess about 1.92-2.12 GPa of hardness, which was about 1.5 times higher than that of wrought alloy (1.30 GPa), and about 1.15 times more resistant against plastic flow of material. Similarly, L-PBF-processed alloy possess higher maximum shear stress (274.5-294.4 MPa) than that of the wrought alloy (175.9 MPa).
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