Simulation of SPS Process for Fabrication of Thermoelectric Materials with Predicted Properties

Булат, Л. П.; Tukmakova, A. S.; Yerezhep, D.; Osvenskii, V. B.; Sorokin, A. I.; Panchenko, V. P.; Bochkov, L. V.; Ašmontas, Steponas

doi:10.1007/s11664-017-5969-8

Cited by 9 publications

(3 citation statements)

References 18 publications

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“…When sintering is adopted to produce segmented TE materials, the sintering temperature should be adjusted to avoid insufficient or overheating of the sintered thermoelectric materials, which may affect the TE properties of the materials. Bulat [21] tried to solve this problem by developing temperature gradient sintering technique. Brazing is another choice, but usually the brazing temperature is much higher than the service temperature of the low temperature segment.…”

Section: Introductionmentioning

confidence: 99%

Low Temperature Joining and High Temperature Application of Segmented Half Heusler/Skutterudite Thermoelectric Joints

Wang

et al. 2019

Materials

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A low temperature joining process has been developed to fabricate segmented half Heusler/skutterudite thermoelectric joints, and high temperature service behavior of the joints has been studied. The microstructure and electrical resistance across the joint before and after aging were investigated. The joint is well bonded and no cracks appear at the interfaces of the joint before and after aging, which can attribute to the formation of high melting point intermetallic compounds. The electrical resistance crosses the bonding layer smoothly and the contact resistance is low. These results show the process is effective, and promising for preparation of segmented thermoelectric devices.

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Section: Introductionmentioning

confidence: 99%

Low Temperature Joining and High Temperature Application of Segmented Half Heusler/Skutterudite Thermoelectric Joints

Wang

et al. 2019

Materials

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“…Существуют работы по моделированию распределения температуры и давления, расчета эффекта Пельтье при спекании термоэлектриков [7,8]. Изменение пористости, плотности и размеров образца оказывает значительное влияние на тепловые, электрические и механические процессы ИПС.…”

Section: Introductionunclassified

“…Модель являлась нестационарной 2D осесимметричной. Описание установки ИПС и свойств используемых материалов, а также система электрических и тепловых уравнений аналогичны ранее описанным нами в работе [8]. В основе модели лежит система дифференциальных уравнений, включающая описание электрических, тепловых и механических процессов.…”

Section: Introductionunclassified

Моделирование процесса усадки термоэлектриков при искровом плазменном спекании на примере Ge-Si

Tukmakova¹,

Samusevich²,

Тхоржевский³

et al. 2019

Физика И Техника Полупроводников

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The densification of Ge-Si within spark plasma sintering has been simulated. The simulation was based on finite elements method and implemented in Comsol Multiphysics. The model of mechanical processes was based on the simulation results published earlier for metal and ceramic powder materials. The model included plastic and elastic deformation description, impact of porosity on electrical, thermal and mechanical properties. The pressure field in the sample has been calculated. The change of sample diameter due to the expansion and compression has been obtained for the soaking period.

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Performance of Functionally Graded Thermoelectric Materials and Devices: A Review

Cramer

Wang

2018

Journal of Elec Materi

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Simulation of SPS Process for Fabrication of Thermoelectric Materials with Predicted Properties

Cited by 9 publications

References 18 publications

Low Temperature Joining and High Temperature Application of Segmented Half Heusler/Skutterudite Thermoelectric Joints

Low Temperature Joining and High Temperature Application of Segmented Half Heusler/Skutterudite Thermoelectric Joints

Моделирование процесса усадки термоэлектриков при искровом плазменном спекании на примере Ge-Si

Performance of Functionally Graded Thermoelectric Materials and Devices: A Review

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