Keywords: quenching, heat treatment, annealing, nitriding,

what is magnetic field quenching?

　　The heat treatment method used to improve the mechanical properties of various metal materials under the action of magnetic field is called magnetic field heat treatment. this method was first proposed by chief metallurgist Bassett of RDCA (development and research company) in 1959, so it is called bayberry method.
　　Magnetic field heat treatment includes magnetic field annealing, magnetic field quenching, magnetic field tempering, magnetic field nitriding, etc. Among them, magnetic field quenching has the most obvious effect on improving the organization and performance of wear-resistant materials.
　　Magnetic field quenching of wear-resistant materials refers to the 1 heat treatment process that improves the organization and performance of materials through the action of an external magnetic field during the cooling process of quenching of wear-resistant materials. The essence of magnetic field quenching is to use an external magnetic field to deform the austenite lattice (I. e. lattice distortion) to form dislocation cells, refine the martensite and increase the dislocation density to improve the mechanical properties. This is similar to the thermomechanical treatment of steel, although they are two different ways of deformation, but can produce the same structure & mdash;& mdash; dislocation cells, so that the material is strengthened. The magnetic field quenching improves the strengthening and toughening effect of the material more prominent, and the improvement of service life is more significant.
　　Compared with the traditional quenching process, magnetic field quenching plays an important role in refining the structure, improving the mechanical properties and improving the wear resistance.

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