Process parameter optimization of K477 and GH4169 for defect control in laser-directed energy deposition using Taguchi design of experiments

Li, Yuan; Chen, Yun; Hou, Liang; Ye, Chao; Chen, Shuyuan; Huang, Xiaomei; Zou, Jiahao

doi:10.1007/s00170-024-13277-5

Int J Adv Manuf Technol

2024

DOI: 10.1007/s00170-024-13277-5

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Process parameter optimization of K477 and GH4169 for defect control in laser-directed energy deposition using Taguchi design of experiments

Yuan Li,

Yun Chen,

Liang Hou

et al.

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Mechanical Properties of AISI 410L Stainless Steel Parts Manufactured by Laser Directed Energy Deposition in the as-Built and Heat-Treated States

Marcos Sá de Sousa,

Pereira,

Thiesen Júnior

et al. 2024

Additive Manufacturing - Present and Sustainable Future, Materials and Applications [Working Title]

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Martensitic stainless steels (MSS) have extensive industrial applicability owing to their high hardness and resistance to wear and corrosion at milder temperatures. AISI 410L is a low-carbon MSS with better processability than the high carbon-content MSS grades. Additive manufacturing by laser directed energy deposition (AM L-DED) grants the benefits of geometry freedom, complex materials processability, and obtention of refined microstructures. Nonetheless, there are challenges because of the L-DED complex thermal history and brittle nature of martensite formed in MSS. Therefore, post heat-treatment are required to provide residual stress relief, martensite tempering, and overall mechanical properties enhancement. To synthesize the current knowledge on the factors affecting the mechanical properties of AISI 410L MSS processed by L-DED, while expanding the investigation on suitable heat-treatment routes, this work complies with original data and literature results to discuss how different carbon contents, building orientations, heat-treatments, and cladding procedures affect the microstructure, hardness, tensile, and Charpy impact mechanical properties of different MSS, in special AISI 410L, processed by L-DED.

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Mechanical Properties of AISI 410L Stainless Steel Parts Manufactured by Laser Directed Energy Deposition in the as-Built and Heat-Treated States

Marcos Sá de Sousa,

Pereira,

Thiesen Júnior

et al. 2024

Additive Manufacturing - Present and Sustainable Future, Materials and Applications [Working Title]

View full text Add to dashboard Cite

show abstract

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Process parameter optimization of K477 and GH4169 for defect control in laser-directed energy deposition using Taguchi design of experiments

Cited by 1 publication

References 37 publications

Mechanical Properties of AISI 410L Stainless Steel Parts Manufactured by Laser Directed Energy Deposition in the as-Built and Heat-Treated States

Mechanical Properties of AISI 410L Stainless Steel Parts Manufactured by Laser Directed Energy Deposition in the as-Built and Heat-Treated States

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