Grain boundary diffusion effect on mineral transition of calcium sulpho-aluminate with sodium dopant

Zhang, Di; Su, Yingtao; Li, Guangxun; Guo, Zhihong; Sun, Huilan; Wang, Bo; Zhu, Lingkai

doi:10.1016/j.ceramint.2021.04.091

Cited by 1 publication

(2 citation statements)

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“…Grain boundary polarizing elements (Cu, Ni, Cr, Sn, Mo) 18,19 and dispersed secondary phase formationtransformation (e.g., MnS, CuS, AlN, MnSe, NbC) 13,20,21 can also suppress primary recrystallized grain growth and fixation grain boundaries. 22,23 Meanwhile, previous literatures have shown that the mechanical properties of 6.5 wt % Si electrical steel could be significantly improved with alloying technology. However, the strengthening mechanism of alloying elements on the magnetic properties of Fe-6.5 wt % Si electrical steel is not thorough enough.…”

Section: Introductionmentioning

confidence: 99%

“…Numerous literatures have proposed that control of silicon content, inhibitor element doping, , and optimization of cooling system can improve the average grain size and ordered phase transition process, thereby improving plasticity and processability. , The increase of Si content facilitates grain boundary migration, leading to the formation of large-sized grains, thereby significantly deteriorating the ductility of Si-containing steel. Grain boundary polarizing elements (Cu, Ni, Cr, Sn, Mo) , and dispersed secondary phase formation-transformation (e.g., MnS, CuS, AlN, MnSe, NbC) ,, can also suppress primary recrystallized grain growth and fixation grain boundaries. , Meanwhile, previous literatures have shown that the mechanical properties of 6.5 wt % Si electrical steel could be significantly improved with alloying technology. However, the strengthening mechanism of alloying elements on the magnetic properties of Fe-6.5 wt % Si electrical steel is not thorough enough.…”

Section: Introductionmentioning

confidence: 99%

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Texture and Magnetic Property of Fe-6.5 wt % Si Steel Strip with Cu-Rich Particles Modification

Zhang

Yang

et al. 2023

ACS Omega

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Based on the ordered phase effectively suppressed by rapid solidification technology, the grain refinement concept using Cu is incorporated into the soft magnetic materials. Cu dosage not only could refine the grain size with an average grain size of 8.7 μm but also improve the continuity and consistency of Fe-6.5 wt % Si steel strip. It mainly attributes to the Cu-rich particles precipitating at the grain boundary, nailing the grain boundaries movement and inhibiting the grain growth, and then improving the magnetic properties and mechanical properties. The 1.5 wt % Cu sample exhibits an excellent magnetic property with the saturation magnetization of 236.54 emu/g, which mainly attributes to the strong η, λ, Goss texture formation and the band structure optimization of Si–Cu comodification. Furthermore, the mechanical properties of the steel strip are effectively improved, and the failure plastic deformation of 1.5 wt % Cu steel strip is about 11%. The rapid solidification with Cu-dosage refinement technology also has a remarkable reference on the mechanical properties and magnetic properties modification of other metal materials.

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