Investigation of damage mechanisms related to microstructural features of ferrite-cementite steels via experiments and multiscale simulations

H Wang, F Wang, D Qian, F Chen, Z Dong… - International Journal of …, 2023 - Elsevier
Spheroidized ferrite-cementite steel (SFC) is susceptible to micro-defects owing to the
mismatched deformation between the ferrite and cementite during cold forming, which …

[HTML][HTML] Nucleation and growth of Ag3Sn in Sn-Ag and Sn-Ag-Cu solder alloys

Y Cui, JW Xian, A Zois, K Marquardt, H Yasuda… - Acta Materialia, 2023 - Elsevier
Abstract Large Ag 3 Sn plates in solder joints can affect the reliability of electronics,
however, the factors affecting their nucleation and morphology are not well understood …

[HTML][HTML] A multi-scale approach to microstructure-sensitive thermal fatigue in solder joints

Y Xu, J Xian, S Stoyanov, C Bailey, RJ Coyle… - International Journal of …, 2022 - Elsevier
This paper presents a multi-scale modelling approach to investigate the underpinning
mechanisms of microstructure-sensitive damage of single crystal Sn-3Ag-0.5 Cu (wt …

A non-local methodology for geometrically necessary dislocations and application to crack tips

Y Xu - International Journal of Plasticity, 2021 - Elsevier
A non-local method for the establishment of geometrically necessary dislocation (GND)
based on a non-local domain integral has been developed and incorporated into crystal …

A dual-phase crystal plasticity finite-element method for modeling the uniaxial deformation behaviors of thermally aged SAC305 solder

M Xie, G Chen, J Yu, Y Wu, X Liu, J Yang… - International Journal of …, 2022 - Elsevier
Because typical solder joints undergo thermal aging during use, models simulating the
behaviors of solder under mechanical stress must accurately reflect the changes in …

A developed crystal plasticity model for viscoplastic mechanical behavior of SAC305 solder under thermomechanical coupled cyclic loading

M Xie, G Chen - International Journal of Plasticity, 2022 - Elsevier
In the service of electronic products, owing to thermal cycling and external additional loads,
solder joints undergo thermomechanical coupled cyclic loading. To fully understand the …

A general steady-state creep model incorporating dislocation static recovery for pure metallic materials

X Xiao, S Li, L Yu - International Journal of Plasticity, 2022 - Elsevier
In this work, a mechanistic steady-state creep model is proposed for pure metallic materials
to characterize the evolution of macroscopic creep strain rate as a function of the testing …

[HTML][HTML] Temperature-dependent, multi-mechanism crystal plasticity reveals the deformation and failure behaviour of multi-principal element alloys

Y Xu, X Lu, X Yang, W Li, Z Aitken, G Vastola… - Journal of the …, 2024 - Elsevier
In this work, we have developed a temperature-dependent, multi-mechanism crystal
plasticity (CP) model aimed at unravelling the deformation and failure resistance of Cantor …

Multi-scale crystal viscoplasticity approach for estimating anisotropic steady-state creep properties of single-crystal SnAgCu alloys

Q Jiang, A Deshpande, A Dasgupta - International Journal of Plasticity, 2022 - Elsevier
Creep can have a significant impact on the reliability of Sn-based solder alloys even at room
temperature because of their relatively low melting temperatures. SnAgCu (SAC) solder …

Ag3Sn Morphology Transitions During Eutectic Growth in Sn–Ag Alloys

N Hou, JW Xian, A Sugiyama, H Yasuda… - … Materials Transactions A, 2023 - Springer
Abstract Eutectic Ag3Sn can grow with a variety of morphologies depending on the
solidification conditions and plays an important role in the performance of Pb-free solders …