Microstructure and thermal conductivity of the Ag–Bi–Sn ternary alloys

Manasijević, Dragan; Balanović, Ljubiša; Marković, Ivana; Gorgievski, Milan; Stamenković, Uroš; Božinović, Kristina; Minić, Dušan; Premović Zečević, Milena

Conference Object Open access M33

Book of Proceeding MME SEE za PDF final + cip-211-215.pdf (2.73MB)

2023

Manasijević, Dragan
Balanović, Ljubiša
Marković, Ivana
Gorgievski, Milan
Stamenković, Uroš
Božinović, Kristina
Minić, Dušan
Premović Zečević, Milena

Association of Metallurgical Engineers of Serbia (AMES)

Congress Proceedings - 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023, 2023, 211-215

211

215

English

M33 - Conference paper at an international conference, printed in full

The Ag-Bi-Sn ternary alloys represent an important material for the development of lead-free solders. In this work, the effiect of tin content on the thermal properties of the Ag-Bi—Sn ternary alloys was investigated. Five Ag-Bi-Sn ternary alloys with tin content ranging from 12.8 to 75.1 mass% and nearly equal mass contents of silver and bismuth were prepared and experimentally studied. Microstructures of as-solidified alloy samples were examined using scanning electron microscopy with energy-dispersive X-ray spectrometry (SEM-EDS) and X-ray diffraction (XRD) analysis. The observed constitutive phases were AgsSn, (Sn), and (Bi) phases as well as ternary (Sn)+(Bi)+Ag;Sn eutectic. Thermal diffusivity measurements in the temperature range from 25 to 100 °C were performed using the flash method. Thermal conductivities of the solid Ag-Bi-Sn alloys were obtained using the measured values of thermal diffusivity. Thermal conductivity of the studied Ag-Bi—Sn ternary alloys considerably increases with increasing tin concentration and slightly decreases with increasing temperature. The measured thermal diffusivity at room temperature extends from 8.00 to 27.80 mm?s”! and thermal conductivity extends from 14.24 to 45.77 Wm™'K"! with increasing Sn content. Chemical and phase compositions have a strong effect on the thermal diffusivity and thermal conductivity of the studied Ag-Bi-Sn alloys. It was found that an increase in the phase fractions of the (Bi) solid solution phase and AgsSn intermetallic compound hinders heat transfer and decreases thermal conductivity.

Ag-Bi-Sn alloys, microstructure, thermal conductivity

ISBN

978-86-87183-32-2

URI

https://repozitorijum.tfbor.bg.ac.rs/handle/...

dc.rights.license	ARR
dc.date.accessioned	2023-12-26T08:48:18Z
dc.date.available	2023-12-26T08:48:18Z
dc.date.issued	2023
dc.identifier.isbn	978-86-87183-32-2
dc.identifier.uri	https://repozitorijum.tfbor.bg.ac.rs/handle/123456789/2456
dc.description.abstract	The Ag-Bi-Sn ternary alloys represent an important material for the development of lead-free solders. In this work, the effiect of tin content on the thermal properties of the Ag-Bi—Sn ternary alloys was investigated. Five Ag-Bi-Sn ternary alloys with tin content ranging from 12.8 to 75.1 mass% and nearly equal mass contents of silver and bismuth were prepared and experimentally studied. Microstructures of as-solidified alloy samples were examined using scanning electron microscopy with energy-dispersive X-ray spectrometry (SEM-EDS) and X-ray diffraction (XRD) analysis. The observed constitutive phases were AgsSn, (Sn), and (Bi) phases as well as ternary (Sn)+(Bi)+Ag;Sn eutectic. Thermal diffusivity measurements in the temperature range from 25 to 100 °C were performed using the flash method. Thermal conductivities of the solid Ag-Bi-Sn alloys were obtained using the measured values of thermal diffusivity. Thermal conductivity of the studied Ag-Bi—Sn ternary alloys considerably increases with increasing tin concentration and slightly decreases with increasing temperature. The measured thermal diffusivity at room temperature extends from 8.00 to 27.80 mm?s”! and thermal conductivity extends from 14.24 to 45.77 Wm™'K"! with increasing Sn content. Chemical and phase compositions have a strong effect on the thermal diffusivity and thermal conductivity of the studied Ag-Bi-Sn alloys. It was found that an increase in the phase fractions of the (Bi) solid solution phase and AgsSn intermetallic compound hinders heat transfer and decreases thermal conductivity.
dc.language.iso	en
dc.publisher	Association of Metallurgical Engineers of Serbia (AMES)
dc.source	Congress Proceedings - 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023, 2023, 211-215
dc.subject	Ag-Bi-Sn alloys
dc.creator	Manasijević, Dragan
dc.subject	microstructure
dc.subject	thermal conductivity
dc.title	Microstructure and thermal conductivity of the Ag–Bi–Sn ternary alloys
dc.type	conferenceObject
dc.type.version	publishedVersion
dc.citation.spage	211
dc.citation.epage	215
dc.citation.rank	M33
dc.creator	Balanović, Ljubiša
dc.creator	Marković, Ivana
dc.creator	Gorgievski, Milan
dc.creator	Stamenković, Uroš
dc.creator	Božinović, Kristina
dc.creator	Minić, Dušan
dc.creator	Premović Zečević, Milena


Microstructure and thermal conductivity of the Ag–Bi–Sn ternary alloys	4


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