Development and application of electromagnetic loading expansion ring test technology

LIU Zongxing; ZHANG Chunyang; CAO Miao; CHEN Feiying; LIU Jun; LI Yulong

doi:10.6052/1000-0992-24-010

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Liu Z X, Zhang C Y, Cao M, Chen F Y, Liu J, Li Y L. Development and application of electromagnetic loading expansion ring test technology. Advances in Mechanics, 2024, 54(4): 1-30 doi: 10.6052/1000-0992-24-010

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Liu Z X, Zhang C Y, Cao M, Chen F Y, Liu J, Li Y L. Development and application of electromagnetic loading expansion ring test technology. Advances in Mechanics, 2024, 54(4): 1-30 doi: 10.6052/1000-0992-24-010

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Development and application of electromagnetic loading expansion ring test technology

doi: 10.6052/1000-0992-24-010

1.
School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China
2.
National Key Laboratory of Strength and Structural Integrity, Xi’an 710072, China
3.
Joint International Research Laboratory of Impact Dynamics and Engineering Application,Xi’an 710072, China

More Information

Corresponding author: liujun_top@nwpu.edu.cn; liyulong@nwpu.edu.cn
Received Date: 2024-03-26
Accepted Date: 2024-07-16

Available Online: 2024-07-23

Abstract

Abstract

Electromagnetic loading expansion ring test technology is an important means to achieve high strain rate tensile loading, capable of achieving strain rates on the order of 10⁴ s⁻¹ for one-dimensional tensile loading. Electromagnetic Lorentz forces are uniformly applied to the expansion ring specimens as a body force, and the dynamic loading process does not involve stress wave propagation effects. Moreover, the characteristic structure of the ring specimens avoids the end grip effects seen with traditional dog-bone-shaped specimens. Therefore, electromagnetic loading expansion ring test technology is widely used in the study of the tensile mechanical behavior of materials at high strain rates. This paper first introduces the basic principles of dynamic loading expansion ring test technology, then discusses the disadvantages of explosion-driven expansion ring test technology and the advantages of electromagnetic-driven expansion ring test technology, and reviews the development history of electromagnetic loading expansion ring test technology. It then summarizes the cutting-edge research progress of electromagnetic loading expansion ring test technology in the dynamic mechanical properties of materials, dynamic fracture behavior, dynamic ductile behavior, and high-temperature adiabatic properties. Finally, it discusses the development prospects and directions of electromagnetic loading expansion ring test technology in the field of solid mechanics. This provides a relatively systematic reference for researchers engaged in the experimental technology field of dynamic mechanical behavior of materials and offers a comprehensive and systematic knowledge of the field for young researchers interested in electromagnetic loading expansion ring test technology.
- electromagnetic loading,
- expansion ring,
- high strain rate,
- tensile mechanical behavior,
- dynamic fracture behavior,
- dynamic ductility behavior,
- high temperature insulation performance

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References(88)

References

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