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2011•IEEE Transactions on Applied SuperconductivityRequires access

Design and Manufacture of a Near 3 T High Field Permanent Magnet Assembly

Zheng Wang, Wen Yang, Xiao-Bing Zhang, Hui Li, Hui Xian Wang, Yu Xia Zhang

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Abstract

This paper introduces a design methodology for a multi-tesla permanent magnet. Normally the permanent magnet is designed to provide the magnetic fields below 2 T. By employing high performance materials and the 3D magnetic circuit design method, a prototype magnet has been built and generates maximum 2.987 T field strength in 0.008 m air gap with less than 20 kg total weight. It is expected a practical, compact and light-weight high field source for NMR, MRI or other instruments.

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What this paper is about

This paper introduces a design methodology for a multi-tesla permanent magnet. Normally the permanent magnet is designed to provide the magnetic fields below 2 T. By employing high performance materials and the 3D magnetic circuit design method, a prototype magnet has been built and generates maximum 2.987 T field strength in 0.008 m air gap with less than 20 kg total weight. It is expected a practical, compact and light-weight high field source for NMR, MRI or other instruments.

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Available abstract

This paper introduces a design methodology for a multi-tesla permanent magnet. Normally the permanent magnet is designed to provide the magnetic fields below 2 T. By employing high performance materials and the 3D magnetic circuit design method, a prototype magnet has been built and generates maximum 2.987 T field strength in 0.008 m air gap with less than 20 kg total weight. It is expected a practical, compact and light-weight high field source for NMR, MRI or other instruments.

Key concepts: Magnet, Superconducting magnet, Magnetic field, Materials science, Electropermanent magnet, Air gap (plumbing), Nuclear magnetic resonance, Magnetic circuit

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