Combined hot extrusion and spark plasma sintering method for producing highly textured thermoelectric Bi2Te3 alloys

• Published in: Journal of the European Ceramic Society Vol. 40; no. 8; pp. 3042 - 3048
• Main Authors: Lim, Sang-Soon, Jung, Sung-Jin, Kim, Byung Kyu, Kim, Dong-Ik, Lee, Byeong-Hyeon, Won, Sung Ok, Shin, Joonchul, Park, Hyung-Ho, Kim, Seong Keun, Kim, Jin-Sang, Baek, Seung-Hyub
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.07.2020
• Subjects: Bi2Te3 alloys; Hot extrusion (HE); Spark plasma sintering (SPS); Thermoelectrics; Hot extrusion (HE); Thermoelectrics; Spark plasma sintering (SPS); Bi2Te3 alloys

Hot extrusion is a promising method for producing high-performance thermoelectric bismuth telluride alloys because of its ability to create textured microstructures. However, hot extrusion is less favourable for scaling-up because of temperature and strain gradients along the radial direction, and o...