Fatigue life of metal treated by magnetic field

Zhao-Long, Liu; Hu, Haofeng; Tang, Fan; Xiu-San, Xing

doi:10.1088/1674-1056/18/3/074

Chinese Phys. B

2009

DOI: 10.1088/1674-1056/18/3/074

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Fatigue life of metal treated by magnetic field

Liu Zhao-Long

Haofeng Hu

Fan Tang

et al.

Abstract: Liu Zhao-Long( ), Hu Hai-Yun( ), Fan Tian-You( ), and Xing Xiu-San( )

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Cited by 3 publications

References 11 publications

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Nucleation of Micro Crack for Brittle Fracture in Magnetic Field

Zhao-Long

Tang

et al. 2010

Chinese Phys. Lett.

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The influence of magnetic field on the nucleation of micro crack for brittle fracture is studied. The dynamic equation of micro crack in magnetic field is deducted. Using the crack model of a single pile-up group of dislocation, the growth speed of micro crack at a low growth speed stage is derived. To understand the effect of the magnetic field on the nucleation, the mean nucleation rate of micro crack in magnetic field is obtained. The derived result on the mean nucleation rate of micro crack shows that the applied magnetic field could change the mean nucleation rate of micro crack. The way in which the mean nucleation rate varies with the field depends not only on the field but also on the magneto properties of material.

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Nucleation of Micro Crack for Brittle Fracture in Magnetic Field

Zhao-Long

Tang

et al. 2010

Chinese Phys. Lett.

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Non-equilibrium statistical theory about microscopic fatigue cracks of metal in magnetic field

Zhao-Long

Tang

et al. 2010

Chinese Phys. B

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This paper develops the non-equilibrium statistical fatigue damage theory to study the statistical behaviour of micro-crack for metals in magnetic field. The one-dimensional homogeneous crack system is chosen for study. To investigate the effect caused by magnetic field on the statistical distribution of micro-crack in the system, the theoretical analysis on microcrack evolution equation, the average length of micro-crack, density distribution function of microcrack and fatigue fracture probability have been performed. The derived results relate the changes of some quantities, such as average length, density distribution function and fatigue fracture probability, to the applied magnetic field, the magnetic and mechanical properties of metals. It gives a theoretical explanation on the change of fatigue damage due to magnetic fields observed by experiments, and presents an analytic approach on studying the fatigue damage of metal in magnetic field.

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Fatigue damage behavior of a surface-mount electronic package under different cyclic applied loads

Ren

Wang

2014

Chinese Phys. B

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Fatigue life of metal treated by magnetic field

Abstract: Liu Zhao-Long( ), Hu Hai-Yun( ), Fan Tian-You( ), and Xing Xiu-San( )

Cited by 3 publications

References 11 publications

Nucleation of Micro Crack for Brittle Fracture in Magnetic Field

Nucleation of Micro Crack for Brittle Fracture in Magnetic Field

Non-equilibrium statistical theory about microscopic fatigue cracks of metal in magnetic field

Fatigue damage behavior of a surface-mount electronic package under different cyclic applied loads

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