Modulating thermo-mechanical properties of lead-free Sn-30Bi TIM by adding In-3Ag alloy

This research work is focused on studying the effect of indium (In) and silver (Ag) addition on the thermo-mechanical properties of lead-free Sn-Bi solder alloy. Sn-30B is a potential solder to be used as thermal interface material; however, its enhanced thermo-mechanical properties are yet to be ex...

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Main Authors: Munim Shahriar Jawad, Md. Asif Mahmud Noman, Ridwan Radit Ahsan, Md. Muktadir Billah
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Journal of Alloys and Metallurgical Systems
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Online Access:http://www.sciencedirect.com/science/article/pii/S2949917825000355
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author Munim Shahriar Jawad
Md. Asif Mahmud Noman
Ridwan Radit Ahsan
Md. Muktadir Billah
author_facet Munim Shahriar Jawad
Md. Asif Mahmud Noman
Ridwan Radit Ahsan
Md. Muktadir Billah
author_sort Munim Shahriar Jawad
collection DOAJ
description This research work is focused on studying the effect of indium (In) and silver (Ag) addition on the thermo-mechanical properties of lead-free Sn-Bi solder alloy. Sn-30B is a potential solder to be used as thermal interface material; however, its enhanced thermo-mechanical properties are yet to be explored. In this study, authors therefore investigated the effect of In-3Ag alloy addition to tailoring the thermo-mechanical properties of the Sn-30Bi solder alloy. The microstructural evolution with progressive alloying was studied using both optical and field emission scanning electron microscopy (FESEM). Elemental analysis to confirm the alloying was done using the energy dispersive spectroscopy (EDS). Simultaneous thermogravimetry-differential scanning calorimetry (STA/TG-DSC) was used to study the thermal behavior of all the solder alloys. To assess the mechanical properties, microhardness and tensile properties were also measured. Finally, the effect of low-temperature ageing was also studied to evaluate the performance of the newly developed solder alloy as thermal interface material at the operating temperature. From these results, it was found that the Sn-30Bi-3(In-3Ag) alloy has superior properties among all the solder alloys.
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publishDate 2025-06-01
publisher Elsevier
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series Journal of Alloys and Metallurgical Systems
spelling doaj-art-ba0b233dbb0a41edaf9d801aabf8c7e32025-08-20T03:20:01ZengElsevierJournal of Alloys and Metallurgical Systems2949-91782025-06-011010018510.1016/j.jalmes.2025.100185Modulating thermo-mechanical properties of lead-free Sn-30Bi TIM by adding In-3Ag alloyMunim Shahriar Jawad0Md. Asif Mahmud Noman1Ridwan Radit Ahsan2Md. Muktadir Billah3Department of Materials and Metallurgical Engineering (MME), Bangladesh University of Engineering and Technology (BUET), Dhaka 1000, BangladeshDepartment of Materials and Metallurgical Engineering (MME), Bangladesh University of Engineering and Technology (BUET), Dhaka 1000, BangladeshDepartment of Materials and Metallurgical Engineering (MME), Bangladesh University of Engineering and Technology (BUET), Dhaka 1000, BangladeshCorresponding author.; Department of Materials and Metallurgical Engineering (MME), Bangladesh University of Engineering and Technology (BUET), Dhaka 1000, BangladeshThis research work is focused on studying the effect of indium (In) and silver (Ag) addition on the thermo-mechanical properties of lead-free Sn-Bi solder alloy. Sn-30B is a potential solder to be used as thermal interface material; however, its enhanced thermo-mechanical properties are yet to be explored. In this study, authors therefore investigated the effect of In-3Ag alloy addition to tailoring the thermo-mechanical properties of the Sn-30Bi solder alloy. The microstructural evolution with progressive alloying was studied using both optical and field emission scanning electron microscopy (FESEM). Elemental analysis to confirm the alloying was done using the energy dispersive spectroscopy (EDS). Simultaneous thermogravimetry-differential scanning calorimetry (STA/TG-DSC) was used to study the thermal behavior of all the solder alloys. To assess the mechanical properties, microhardness and tensile properties were also measured. Finally, the effect of low-temperature ageing was also studied to evaluate the performance of the newly developed solder alloy as thermal interface material at the operating temperature. From these results, it was found that the Sn-30Bi-3(In-3Ag) alloy has superior properties among all the solder alloys.http://www.sciencedirect.com/science/article/pii/S2949917825000355TIMTernary eutecticSolidification rangeGrain refinementLow-temperature ageing
spellingShingle Munim Shahriar Jawad
Md. Asif Mahmud Noman
Ridwan Radit Ahsan
Md. Muktadir Billah
Modulating thermo-mechanical properties of lead-free Sn-30Bi TIM by adding In-3Ag alloy
Journal of Alloys and Metallurgical Systems
TIM
Ternary eutectic
Solidification range
Grain refinement
Low-temperature ageing
title Modulating thermo-mechanical properties of lead-free Sn-30Bi TIM by adding In-3Ag alloy
title_full Modulating thermo-mechanical properties of lead-free Sn-30Bi TIM by adding In-3Ag alloy
title_fullStr Modulating thermo-mechanical properties of lead-free Sn-30Bi TIM by adding In-3Ag alloy
title_full_unstemmed Modulating thermo-mechanical properties of lead-free Sn-30Bi TIM by adding In-3Ag alloy
title_short Modulating thermo-mechanical properties of lead-free Sn-30Bi TIM by adding In-3Ag alloy
title_sort modulating thermo mechanical properties of lead free sn 30bi tim by adding in 3ag alloy
topic TIM
Ternary eutectic
Solidification range
Grain refinement
Low-temperature ageing
url http://www.sciencedirect.com/science/article/pii/S2949917825000355
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AT mdasifmahmudnoman modulatingthermomechanicalpropertiesofleadfreesn30bitimbyaddingin3agalloy
AT ridwanraditahsan modulatingthermomechanicalpropertiesofleadfreesn30bitimbyaddingin3agalloy
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