Development of sandwich joining piece to fabricate segmented half-Heusler/skutterudite thermoelectric joints
Development of sandwich joining piece to fabricate segmented half-Heusler/skutterudite thermoelectric joints
复制标题
开发三明治连接件来制造分段半霍斯勒/方钴矿热电接头
DOI：
10.1007/s12598-020-01487-1
复制
发表时间：
2020
期刊：
影响因子：
8.8
通讯作者：
Jin-Hui Fan
中科院分区：
文献类型：
--
作者：
Wei-An Wang;Xiao-Ya Li;Yun-Fei Xing;Ming Gu;Long-Hui Fang;Ye-Feng Bao;Jin-Hui Fan
摘要研制了Sn/Ni-Sn/Sn三明治连接件，并将其应用于制造分段半赫斯勒/方钴矿热电接头，研究了接头的高温使用性能。研究了时效前后接头的显微组织和接触电阻。接头结合良好，时效前后接头界面均未出现裂纹，这是由于高熔点金属间化合物的形成。电阻平滑地穿过接合层，并且接触电阻低。这些结果表明，三明治连接片是有效的和灵活的，并有希望为分段热电器件的制备。
AbstractSn/Ni–Sn/Sn sandwich joining piece was developed and applied to fabricate segmented half-Heusler/skutterudite thermoelectric joints, and high-temperature service behavior of the joints was studied. The microstructure and contact resistance of the joint before and after aging were investigated. The joints are well bonded and no cracks appear at the interfaces of the joint before and after aging, which can be attributed to the formation of high-melting point intermetallic compounds. The electrical resistance crosses the joining layer smoothly and the contact resistance is low. These results show that the sandwich joining piece is effective and flexible, and promising for the preparation of segmented thermoelectric devices.Graphic abstract