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Thermoelectric Higher Manganese Silicide: Synthetized, sintered and shaped simultaneously by selective laser sintering/Melting additive manufacturing technique

Abstract : Complex geometry legs were advantageous to obtain higher thermoelectric potential due to a better thermal dissipation. Among all industrial processes, additive manufacturing using a selective laser sintering (SLS) or melting (SLM) techniques is the most promising to obtain such complex-shape legs without machining step. In this work, for the first time, Higher Manganese Silicide (HMS) sheet samples were synthetized, sintered and shaped simultaneously by additive manufacturing from ball milled manganese and silicon powder. Impact of surface power density and scanning rate of the laser on the microstructural and structural properties was discussed for some SLS/M parameters. Characterizations have shown that both densification and pure HMS phase can be obtained by SLS/M.
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https://hal.archives-ouvertes.fr/hal-01756937
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Submitted on : Tuesday, April 3, 2018 - 11:11:52 AM
Last modification on : Monday, March 23, 2020 - 2:30:03 AM

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Yohann Thimont, Lionel Presmanes, Vincent Baylac, Philippe Tailhades, David Berthebaud, et al.. Thermoelectric Higher Manganese Silicide: Synthetized, sintered and shaped simultaneously by selective laser sintering/Melting additive manufacturing technique. Materials Letters, Elsevier, 2018, 214, pp.236-239. ⟨10.1016/j.matlet.2017.12.026⟩. ⟨hal-01756937⟩

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