Unveiling the damage evolution of SAC305 during fatigue by entropy generation

X Long, Y Guo, Y Su, KS Siow, C Chen - International Journal of …, 2023 - Elsevier
Low-cycle thermal-mechanical fatigue loadings induce progressive and permanent
degradation of mechanical properties of lead-free solder materials, and thus reduce the …

Analysis and modeling of aged SAC-Bi solder joints subjected to varying stress cycling conditions

M Jian, S Hamasha, A Alahmer, M Hamasha, X Wei… - Materials, 2023 - mdpi.com
Solder joints are subjected to varied stress cycle circumstances in the electronic packaging
service life but are also influenced by aging. There has been limited investigation into the …

Experimental determination of fatigue behavior of lead free solder joints in microelectronic packaging subjected to isothermal aging

M Mustafa, JC Suhling, P Lall - Microelectronics Reliability, 2016 - Elsevier
The effects of aging on the cyclic shear stress–strain and fatigue behavior of lead-free
solders have been explored experimentally and have been presented in this paper. An …

Thermal cycling reliability of aged PBGA assemblies-comparison of Weibull failure data and finite element model predictions

MM Basit, M Motalab, JC Suhling, Z Hai… - 2015 IEEE 65th …, 2015 - ieeexplore.ieee.org
Isothermal aging causes detrimental changes in the microstructure, mechanical response,
and failure behavior of lead free solder joints in electronic assemblies. These material …

Mechanical characterization of doped SAC solder materials at high temperature

MR Chowdhury, S Ahmed, A Fahim… - 2016 15th IEEE …, 2016 - ieeexplore.ieee.org
Reliable lead free solders are needed for products exposed to extreme environments such
as those used in the automotive, avionics, and oil-exploration industries, as well as in …

Effect of different thermal cycling profiles on the mechanical behavior of SAC305 lead free solder

M Al Ahsan, SMK Hasan, A Fahim… - 2020 19th IEEE …, 2020 - ieeexplore.ieee.org
Lead free solder materials are used as interconnects in electronic assemblies due to their
relatively high melting temperature, mechanical properties, and thermal cycling reliability, as …

Visualization of microstructural evolution in lead free solders during isothermal aging using time-lapse imagery

N Fu, S Ahmed, JC Suhling… - 2017 IEEE 67th Electronic …, 2017 - ieeexplore.ieee.org
In this investigation, Scanning Electron Microscopy (SEM) and Scanning Probe Microscopy
(SPM) have been utilized to examine aging induced microstructural changes occurring …

Reliability modeling for aged SAC305 solder joints cycled in accelerated shear fatigue test

R Al Athamneh, DB Hani, H Ali - Microelectronics Reliability, 2020 - Elsevier
Solder joints reliability is a determinant factor for the life of the electronic assemblies. In this
study, the reliability of actual SAC305 solder joints is investigated using accelerated shear …

High temperature creep response of lead free solders

A Fahim, S Ahmed, MR Chowdhury… - 2016 15th IEEE …, 2016 - ieeexplore.ieee.org
Lead free solder materials are susceptible to significant creep deformations in harsh high
temperature environments including automotive, avionics, military, and oil exploration …

Nanomechanical characterization of SAC solder joints-reduction of aging effects using microalloy additions

M Hasnine, JC Suhling, BC Prorok… - 2015 IEEE 65th …, 2015 - ieeexplore.ieee.org
In this work, we have examined the ability of microalloy additions (dopants) to reduce aging
effects in solder joints by nanoindentation testing of several sets of doped/non-doped alloys …