Enhanced Degradation in Grain Refinement of Inoculated 2024 Al Alloy in Steady Magnetic field

Guo, Rui; Shuai, Sansan; Zhao, Ruixin; Li, Chuanjun; Li, Xi; Zhong, Yi; Wang, Jiang; Ren, Zhongming

doi:10.1007/s11661-020-05881-3

Cited by 4 publications

(2 citation statements)

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“…The DTA of an Al-Cu hypereutectic alloy demonstrated a significant decrease in liquidus temperature during the cooling stage under a high SMF [65,113,114] (Figure 9). The decrease of liquidus temperature may be attributed to the increase of nucleation undercooling caused by changing the interfacial free energy, which acts as a barrier for the nucleation event [115]. Indeed, the shift in liquid-solid phase transition temperature indicates that the high SMF may affect the attachment process of solute atoms to the interface of the solidified solid phases.…”

Section: Phase Transition Temperature and Nucleation Eventsmentioning

confidence: 99%

Review on Eutectic-Type Alloys Solidified under Static Magnetic Field

et al. 2023

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Processing metallic alloys under a static magnetic field (SMF) has garnered significant attention over the past few decades. SMFs can influence both the thermodynamics and kinetics of the solidification process by introducing extra force and energy. Eutectic-type alloys (ETAs) are commonly used as research materials under SMFs due to their featured microstructures. This review aims to present theoretical and experimental results regarding ETAs under SMFs, from post-analysis to in situ observation, to demonstrate the effects of magnetic phenomena such as magnetic braking, thermoelectric magnetic convection, magnetic gradient force, and magnetic energy on the thermodynamics and kinetics of microstructural evolution. In this paper, we adopt a hybrid approach between a review and an overview to comprehensively examine the effect of SMFs on the solidification process. Firstly, we provided a concise review of the historical research on the SMF’s impact on solidification in the literature. Next, we elucidated the basic physical principles of an SMF in material processing, followed by an introduction of numerous laboratory and industrial experiments that have utilized SMFs. Finally, we summarized the effects of SMFs on solidification in the past and provide insights into future research directions.

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Section: Phase Transition Temperature and Nucleation Eventsmentioning

confidence: 99%

Review on Eutectic-Type Alloys Solidified under Static Magnetic Field

et al. 2023

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“…Typically, a recent work regarding the change in the undercooling of Sn, Al, Zn and three Al-Cu alloy melts in different SMFs was performed by Rui Guo and his co-workers [29][30][31] (Figure 3). They proposed that the change in undercooling is related to the increase in the liquid/solid interfacial free energy and to the reduction in migration rates of atoms in the liquid phase in the SMFs.…”

Section: Smf-induced Undercoolingmentioning

confidence: 99%

Solidification Processing of Metallic Materials in Static Magnetic Field: A Review

Hou

Zhan-yong

2022

Metals

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The application of a static magnetic field (SMF) to solidification processing has emerged as an advanced strategy for efficiently regulating the macro/micro structures and the mechanical performance of metallic materials. The SMF effects have been proved to be positive in various processes of metal solidification. Firstly, this review briefly introduces two basic magnetic effects, i.e., magnetohydrodynamic effects and magnetization effects, which play crucial roles in regulating metal solidification. Further, the state of the art of solidification processing in the SMF, including undercooling and nucleation, interface energy, grain coarsening and refinement, segregation and porosity, are comprehensively summarized. Finally, the perspective future of taking advantage of the SMF for regulating metal solidification is presented.

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