Effect of Pd-P Layer on the Bonding Strength of Bi-Te Thermoelectric Elements

• Autorzy: Bae Sung Hwa , Han Se Hun , Son Injoon , Kim Kyung Tae

Identyfikatory

DOI

10.24425/amm.2019.129481

• Języki publikacji: EN

Abstrakty

EN

In this study, the effect of electroless Pd-P plating on the bonding strength of the Bi-Te thermoelectric elements was investigated. The bonding strength was approximately doubled by electroless Pd-P plating. Brittle Sn-Te intermetallic compounds were formed on the bonding interface of the thermoelectric elements without electroless Pd-P plating, and the fracture of the bond originated from these intermetallic compounds. A Pd-Sn solder reaction layer with a thickness of approximately 20 μm was formed under the Pd-P plating layer in the case of the electroless Pd-P plating, and prevented the diffusion of Bi and Te. In addition, the fracture did not occur on the bonding interface but in the thermoelectric elements for the electroless Pd-P plating because the bonding strength of the Pd-Sn reaction layer was higher than the shear strength of the thermoelectric elements.

Słowa kluczowe

EN

bismuth telluride; thermoelectric module; electroless Pd-P plating; bonding strength

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2019
• Tom: Vol. 64, iss. 3
• Strony: 963--968
• Opis fizyczny: Bibliogr. 13 poz., fot., rys.

Twórcy

autor

Bae Sung Hwa

• Kyungpook National University, Department of Materials Science and Metallurgical Engineeringdaegu 41566, Republic of Korea

autor

Han Se Hun

• Kyungpook National University, Department of Materials Science and Metallurgical Engineeringdaegu 41566, Republic of Korea

autor

Son Injoon

• Kyungpook National University, Department of Materials Science and Metallurgical Engineeringdaegu 41566, Republic of Korea

autor

Kim Kyung Tae

• Korea Institute of Materials Science, Powder & Ceramic Materials Division, , Gyeongnam 51508, Republic of Korea

Bibliografia

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Uwagi

EN

1. This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MOE) (NRF-2017R1D-1A1B03030792).

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).