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@proceedings{1491376,
author = {Zelenka, František and Brož, Pavel and Vřešťál, Jan and Vykoukal, Vít and Buršík, Jiří and Rogl, Gerda and Rogl, Peter Franz},
booktitle = {Materials Science and Engineering Congress - MSE 2018},
keywords = {thermoelectric materials; skutterudites; KEMS; TA; SEM},
language = {eng},
title = {Thermal and phase stability of skutterudite master alloys for thermoelectric materials},
url = {https://www.mse-congress.de/home/},
year = {2018}
}
TY - CONF
ID - 1491376
AU - Zelenka, František - Brož, Pavel - Vřešťál, Jan - Vykoukal, Vít - Buršík, Jiří - Rogl, Gerda - Rogl, Peter Franz
PY - 2018
TI - Thermal and phase stability of skutterudite master alloys for thermoelectric materials
KW - thermoelectric materials
KW - skutterudites
KW - KEMS
KW - TA
KW - SEM
UR - https://www.mse-congress.de/home/
N2 - Skutterudites, especially those based on cobalt and antimony, represent a promising class of materials for thermoelectric applications. The search for suitable doped analogues and advanced preparation techniques is only one part on the route to development of high efficient thermoelectrics, i.e. materials with high ZT- factor and hence with more efficient conversion of the waste heat to electricity [1]. The other part includes the study of the thermal and phase stability as these materials contain volatile elements (Sb, Sr, Yb, etc.), which can evaporate at operation conditions leading to structure changes, damaging the thermoelectric properties. To gain basic information for the study of doped multicomponent skutterudites, the thermal and phase stability of skutterudite CoSb3 master alloys were investigated using thermal analysis and Knudsen effusion mass spectrometry. Results, including data on phase transformations and those from vapour pressure measurements of antimony, supported by powder X-ray diffraction, measurement of diffusion profiles and microstructure observations are summarized and used for evaluation of the long term thermal stability of the materials.
ER -
ZELENKA, František, Pavel BROŽ, Jan VŘEŠŤÁL, Vít VYKOUKAL, Jiří BURŠÍK, Gerda ROGL and Peter Franz ROGL. Thermal and phase stability of skutterudite master alloys for thermoelectric materials. In \textit{Materials Science and Engineering Congress - MSE 2018}. 2018.
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