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This presentation covers various applications of magnetic fields in materials processing, including horizontal continuous casting, electromagnetic purification, and synthesis of n-diamond. It explores the design of magnetic generators, induction coils, and compares different methods for magnetic intensity, electromagnetic force, stirring turbulence, fracture appearance, and grain structure. The presentation also includes animations showcasing the mechanism and benefits of electromagnetic purification.

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Presentation Title

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  1. Presentation Title EPM Activities in Dalian University of Technology Tingju Li, Tongmin Wang, Xingguo Zhang, Zhiqiang Cao, Bin Wen, Qi Zhang and Jun-ze JinSchool of Materials Science and EngineeringLiaoning Key Laboratory of Special Processing of Raw MaterialsDalian University of Technology, Dalian 116024, China

  2. Presentation Contents • Horizontal Continuous Casting of Tin-Phosphor Bronze Strip under travelling magnetic field • Electromagnetic Purification of Aluminum Alloy under high frequency (20,000 Hz) magnetic field • Synthesis and crystal structure of n-diamond from catalyzed carbon black under high static (10 T) magnetic field

  3. Magnetic generator Water cooling circulation Graphite mold Bronze strip Furnace • Schematic view of horizontal continuous casting of bronze strip

  4. Design of travelling magnetic generator 1. Induction Coils Design with Integer CARAM Method 2. Induction Coils Design with Seperate CARAM Method

  5. Comparison of Magnetic intensity melt 1. Magnetic intensity with Integer CARAM Method melt 2. Magnetic intensity with Seperate CARAM Method

  6. Comparison of Magnetic intensity melt • Magnetic intensity • with Integer CARAM Method 2. Magnetic intensity with Seperate CARAM Method

  7. Comparison of Electromagnetic Force 1. Electromagnetic Force with Integer CARAM Method 2. Electromagnetic Force with Seperate CARAM Method

  8. Comparison of Stirring Turbulance 1. Stirring Turbulance with Integer CARAM Method 2. Stirring Turbulance with Seperate CARAM Method

  9. Comparison of Casting Surface I = 0 A I = 30 A; Integer CARAM Method I = 30 A; Seperate CARAM Method

  10. 左边 中心 中心 右边 • Comparison of Fracture Appearance 左边 中心 中心 右边 300× I = 0 A 300× I = 30 A; Seperate CARAM Method

  11. Comparison of Grain Structure I = 0 A I = 30 A; Seperate CARAM Method

  12. Vertical Continuous Casting under high frequency magnetic field Temperature (K) Joul heat density (W/m^3) Electromagnetic force (N/ m^3) meniscus air air melt melt Stirring turbulance Stirring freesurface (Meniscus)

  13. Vertical Continuous Casting under high frequency magnetic field Stirring turbulance Joul heat density (W/m^3) Temperature (K)

  14. Presentation Contents • Horizontal Continuous Casting of Tin-Phosphor Bronze Strip under travelling magnetic field • Electrimagnetic Purification of Aluminum Alloy under high frequency (20,000 Hz) magnetic field • Synthesis and crystal structure of n-diamond from catalyzed carbon black under high static (10 T) magnetic field

  15. Mechanism of Electromagnetic Purification 1. Two phase problem: metallic melt nonmetallic inclusion 2. Lorenz force driven flow 3. Joule heating nonmetallic inclusion J×B metallic melt

  16. Animations of Electromagnetic Purification

  17. Animations of Electromagnetic Purification

  18. Presentation Contents • Horizontal Continuous Casting of Tin-Phosphor Bronze Strip under travelling magnetic field • Electromagnetic Purification of Aluminum Alloy under high frequency (20,000 Hz) magnetic field • Synthesis and crystal structure of n-diamond from catalyzed carbon black under high static (10 T) magnetic field

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