铁磁材料在磁场中的准脆性断裂

IF 0.4 Q4 ENGINEERING, MECHANICAL Journal of Machinery Manufacture and Reliability Pub Date : 2024-04-17 DOI:10.1134/S1052618824020031

A. N. Bolotov, L. E. Afanas’eva, V. I. Gul’tyaev, A. A. Alekseev

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引用次数: 0

摘要

摘要研究了在强度超过 20 kA/m 的内部磁场的影响下，处于均匀磁化状态的铁磁性材料（SCh 35 级铸铁）样品中裂纹的形成和发展。研究显示了准脆性断裂的各向异性以及发生断裂时的机械应力大小。沿磁场线传播的裂缝占主导地位。可能的原因是微裂缝表面之间的磁场相互作用。

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Quasi-Brittle Fracture of Ferromagnetic Material in a Magnetic Field

The formation and development of cracks in samples made of ferromagnetic material, cast iron grade SCh 35, which are in a uniformly magnetized state under the influence of an internal magnetic field with a strength of more than 20 kA/m, has been studied. The anisotropic nature of quasi-brittle fracture and the magnitude of mechanical stresses at which fracture occurs are shown. Cracks propagating along magnetic field lines dominate. A possible reason for this is the magnetic interaction between the surfaces of the microcrack.

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来源期刊

Journal of Machinery Manufacture and Reliability ENGINEERING, MECHANICAL-

CiteScore

0.80

自引率

33.30%

发文量

期刊介绍： Journal of Machinery Manufacture and Reliability is devoted to advances in machine design; CAD/CAM; experimental mechanics of machines, machine life expectancy, and reliability studies; machine dynamics and kinematics; vibration, acoustics, and stress/strain; wear resistance engineering; real-time machine operation diagnostics; robotic systems; new materials and manufacturing processes, and other topics.