The Impact of Peltier Effect on the Temperature Field During Spark Plasma Sintering of Thermoelectric Materials

被引：1
|
作者：
Tukmakova, A. S. [1 ]
Samusevich, K. L. [1 ]
Asach, A. V. [1 ]
Novotelnova, A. V. [1 ]
机构：
[1] ITMO Univ, Lomonosova St 9,Aud 3102, St Petersburg 197101, Russia
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2019年 / 48卷 / 04期
关键词：
Thermoelectrics; SPS; spark plasma sintering; finite elements simulation; FEM; FABRICATION; SPS;
D O I：
10.1007/s11664-019-06948-7
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report about the modelling of spark plasma sintering of a line of thermoelectric materials. A significant difference of sintering temperature T-s from 15K to 110K was found in the samples studied. The Peltier effect on the graphite-thermoelectric interfaces results in such temperature difference. The rise of sintering temperature leads to the T-s increase. T-s in the vertical direction is 2-3 times higher than in the radial one. Electric insulation modelled in the horizontal graphite-thermoelectric interfaces reduced T-s in all the types of numerically studied samples by 59-92%.
引用
收藏
页码：1812 / 1817
页数：6
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