Optimizing microstructure for enhanced performance: A novel approach to EMI shielding with thin Mg98.5Zn0.5Y alloy sheets
The growing demand for lightweight, high-performance, cost-efficient electro-magnetic interference (EMI) shielding materials, driven by advancements in 5G telecommunications, electric vehicles, and wearable electronics, has prompted the development of a 0.8 mm Mg98.5Zn0.5Y alloy sheet with a unique...
Saved in:
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-01-01
|
| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424028618 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832595357932978176 |
|---|---|
| author | Z.X. Feng G.Y. Zhang J.L. Dong T.M. Li Z.S. Chen J. Cao X.H. Chen J.H. Yi F.S. Pan |
| author_facet | Z.X. Feng G.Y. Zhang J.L. Dong T.M. Li Z.S. Chen J. Cao X.H. Chen J.H. Yi F.S. Pan |
| author_sort | Z.X. Feng |
| collection | DOAJ |
| description | The growing demand for lightweight, high-performance, cost-efficient electro-magnetic interference (EMI) shielding materials, driven by advancements in 5G telecommunications, electric vehicles, and wearable electronics, has prompted the development of a 0.8 mm Mg98.5Zn0.5Y alloy sheet with a unique lamellar structure. Fabricated via asymmetrical warm rolling, this alloy demonstrated outstanding EMI shielding effectiveness (SE) of 100–105 dB across the 30–1500 MHz range, outperforming other materials and thicker magnesium alloys. The superior EMI shielding performance is attributed to the interface between the α-Mg matrix and 14H-LPSO phases with contrasting conductivities, enhancing electromagnetic wave reflection and propagation within the shielding system. Additionally, increased rolling passes lead to higher density of 14H-LPSO phases and reduced lamellar spacing, contributing to improved internal reflection and energy dissipation. This work suggests that the lightweight and ultra-thin Mg98.5Zn0.5Y sheet, with its optimized microstructure, holds great potential as a high-performance EMI shielding material for practical electronic applications. |
| format | Article |
| id | doaj-art-d0d0220886904524bf5995ee6bc7e77e |
| institution | Kabale University |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-d0d0220886904524bf5995ee6bc7e77e2025-01-19T06:25:14ZengElsevierJournal of Materials Research and Technology2238-78542025-01-0134328336Optimizing microstructure for enhanced performance: A novel approach to EMI shielding with thin Mg98.5Zn0.5Y alloy sheetsZ.X. Feng0G.Y. Zhang1J.L. Dong2T.M. Li3Z.S. Chen4J. Cao5X.H. Chen6J.H. Yi7F.S. Pan8Faculty of Materials Science and Engineering, Kunming University of Science and Technology, 650093, Kunming, China; School of Physics and Electronic Science, Anshun University, 561000, Anshun, ChinaFaculty of Materials Science and Engineering, Kunming University of Science and Technology, 650093, Kunming, ChinaSchool of Materials Science and Engineering, Guizhou Minzu University, 550025, Guiyang, China; Corresponding author.Faculty of Materials Science and Engineering, Kunming University of Science and Technology, 650093, Kunming, China; Corresponding author.School of Physics and Electronic Science, Anshun University, 561000, Anshun, ChinaGuizhou Anji Aviation Precision Casting Co., Ltd., 561000, Anshun, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing, 400044, ChinaFaculty of Materials Science and Engineering, Kunming University of Science and Technology, 650093, Kunming, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing, 400044, ChinaThe growing demand for lightweight, high-performance, cost-efficient electro-magnetic interference (EMI) shielding materials, driven by advancements in 5G telecommunications, electric vehicles, and wearable electronics, has prompted the development of a 0.8 mm Mg98.5Zn0.5Y alloy sheet with a unique lamellar structure. Fabricated via asymmetrical warm rolling, this alloy demonstrated outstanding EMI shielding effectiveness (SE) of 100–105 dB across the 30–1500 MHz range, outperforming other materials and thicker magnesium alloys. The superior EMI shielding performance is attributed to the interface between the α-Mg matrix and 14H-LPSO phases with contrasting conductivities, enhancing electromagnetic wave reflection and propagation within the shielding system. Additionally, increased rolling passes lead to higher density of 14H-LPSO phases and reduced lamellar spacing, contributing to improved internal reflection and energy dissipation. This work suggests that the lightweight and ultra-thin Mg98.5Zn0.5Y sheet, with its optimized microstructure, holds great potential as a high-performance EMI shielding material for practical electronic applications.http://www.sciencedirect.com/science/article/pii/S2238785424028618Mg98.5Zn0.5Y alloyThe 14H-LPSOAsymmetrical warm rollingElectromagnetic shielding (SE) |
| spellingShingle | Z.X. Feng G.Y. Zhang J.L. Dong T.M. Li Z.S. Chen J. Cao X.H. Chen J.H. Yi F.S. Pan Optimizing microstructure for enhanced performance: A novel approach to EMI shielding with thin Mg98.5Zn0.5Y alloy sheets Journal of Materials Research and Technology Mg98.5Zn0.5Y alloy The 14H-LPSO Asymmetrical warm rolling Electromagnetic shielding (SE) |
| title | Optimizing microstructure for enhanced performance: A novel approach to EMI shielding with thin Mg98.5Zn0.5Y alloy sheets |
| title_full | Optimizing microstructure for enhanced performance: A novel approach to EMI shielding with thin Mg98.5Zn0.5Y alloy sheets |
| title_fullStr | Optimizing microstructure for enhanced performance: A novel approach to EMI shielding with thin Mg98.5Zn0.5Y alloy sheets |
| title_full_unstemmed | Optimizing microstructure for enhanced performance: A novel approach to EMI shielding with thin Mg98.5Zn0.5Y alloy sheets |
| title_short | Optimizing microstructure for enhanced performance: A novel approach to EMI shielding with thin Mg98.5Zn0.5Y alloy sheets |
| title_sort | optimizing microstructure for enhanced performance a novel approach to emi shielding with thin mg98 5zn0 5y alloy sheets |
| topic | Mg98.5Zn0.5Y alloy The 14H-LPSO Asymmetrical warm rolling Electromagnetic shielding (SE) |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424028618 |
| work_keys_str_mv | AT zxfeng optimizingmicrostructureforenhancedperformanceanovelapproachtoemishieldingwiththinmg985zn05yalloysheets AT gyzhang optimizingmicrostructureforenhancedperformanceanovelapproachtoemishieldingwiththinmg985zn05yalloysheets AT jldong optimizingmicrostructureforenhancedperformanceanovelapproachtoemishieldingwiththinmg985zn05yalloysheets AT tmli optimizingmicrostructureforenhancedperformanceanovelapproachtoemishieldingwiththinmg985zn05yalloysheets AT zschen optimizingmicrostructureforenhancedperformanceanovelapproachtoemishieldingwiththinmg985zn05yalloysheets AT jcao optimizingmicrostructureforenhancedperformanceanovelapproachtoemishieldingwiththinmg985zn05yalloysheets AT xhchen optimizingmicrostructureforenhancedperformanceanovelapproachtoemishieldingwiththinmg985zn05yalloysheets AT jhyi optimizingmicrostructureforenhancedperformanceanovelapproachtoemishieldingwiththinmg985zn05yalloysheets AT fspan optimizingmicrostructureforenhancedperformanceanovelapproachtoemishieldingwiththinmg985zn05yalloysheets |