Materials at the Liten powder metallurgy platform.
A first for additive manufacturing by laser fusion on a powder bed:
Researchers at the Liten (Innovation Laboratory for New Energy Technologies and Nanomaterials) are able to produce parts made of 316LN, stainless steel used in certain applications requiring mechanical properties beyond the capabilities of conventional grades (304L, 316L), which are less rich in nitrogen.
With a density reaching 99% of the theoretical density of the material, the parts obtained have better characteristics than those obtained under identical conditions with 304L or 316L, as shown by tensile and impact resistance tests.
In addition, the amount of energy required to obtain these parts is 39% lower than the minimum published in the literature. This progress was achieved through a partnership with the Naval Group.
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