Effect of hatch distance on the microstructure of additively manufactured 316 L steel

Cellular automata-finite difference framework is employed to estimate the influence of the hatch distance on the resulting microstructure of 316 L austenitic stainless steel fabricated by selective laser melting. The grain structure is found to be significantly affected by the hatch distance, includ...

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Bibliographic Details
Main Authors: Zinovieva, Olga, Romanova, Varvara, Balokhonov, Ruslan
Format: Conference Proceeding
Language:English
Subjects:
Austenitic stainless steels
Cellular automata
Crystallography
Finite difference method
Grain structure
Laser beam melting
Microstructure
Morphology
Process parameters
Texture
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Summary:Cellular automata-finite difference framework is employed to estimate the influence of the hatch distance on the resulting microstructure of 316 L austenitic stainless steel fabricated by selective laser melting. The grain structure is found to be significantly affected by the hatch distance, including both the grain morphology and crystallographic texture. The smaller the hatch distance, the more severe the texture, the smaller the number of fine grains observed in the microstructure pattern, and the more pronounced the Goss texture component in the case of employed process parameters.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0034832