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Proceedings/Recueil Des Communications Thermal Spray 2021: Proceedings from the International Thermal Spray Conference Année : 2021

Electrical Properties of Half Heusler Coatings Depending on Spray Process

Résumé

Microstructure and physicochemical properties of a thermally sprayed coating depend on the dynamics of the particles interacting with the spray jet. This is especially the case for electrical properties. In this study, different spraying processes were used to spray p-type and n-type half-Heusler powders. Thermoelectric powders, Hf20Zr75Ti05CoSb80Sn20 (p-type) and Hf60Zr40NiSn98Sb02 (n-type), were selected due to their interesting electrical properties. The spray processes were evaluated based on coating composition and mechanical property measurements. The only coatings of practical interest were those that were plasma sprayed and they were examined in detail to assess the effect of process parameters on coating properties.
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Dates et versions

hal-04054324 , version 1 (31-03-2023)

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Geoffrey Darut, Axel Portebois, Ludovic Vitu, Marie Pierre Planche, Hanlin Liao, et al.. Electrical Properties of Half Heusler Coatings Depending on Spray Process. Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, pp.422-430, 2021, ⟨10.31399/asm.cp.itsc2021p0422⟩. ⟨hal-04054324⟩
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