The role of cementite in the formation of magnetic hysteresis properties of plastically deformed high-carbon steels: III. Magnetic properties of patented wire made of steel 25

Чулкина, А. А.; Ulyanov, A.N.; Горкунов, Э. С.

doi:10.1134/s1061830908050021

Cited by 5 publications

(3 citation statements)

References 6 publications

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“…According to the data from [11], the coercive force of cementite annealed at 500°C grows as much (from 240 to 530 A/cm), if the measurement temperature decreases from room temperature to the liquid nitro gen temperature. As seen from curve 1 in Fig.…”

Section: Resultsmentioning

confidence: 97%

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The effect of cementite on the formation of the magnetic hysteresis properties of thermally treated carbon steels

Zagainov

Ulyanov

Чулкина

et al. 2012

Russ J Nondestruct Test

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The role of cementite in the mechanisms of formation of the coercive force of high purity 60 and 13 model steels and 9A and 12A industrial steels after quenching and subsequent medium and high temperature tempering is determined from the analysis of the temperature dependences of the coercive force. It is shown that cementite as a hard magnetic phase plays an important part in the formation of the dependence H c (T temp ) measured at room temperature. The maximum contribution caused by the coercivity of cementite to H c of the model steels is proportional to the volume content of cementite. In the industrial steels, an effect on the coercivity of cementite is produced by carbide forming unavoidable impurities.

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Section: Resultsmentioning

confidence: 97%

“…It is known [11,12] that the maximum in the dependence H c (T temp ) is shifted toward lower tempering temperatures if this dependence is measured at a temperature above the Curie point of cementite. For 60 model steel, a maximum in the dependence H c (T temp ) is shifted to the region of T temp ≈ 350°C (curve 1, Fig.…”

Section: Resultsmentioning

confidence: 98%

The effect of cementite on the formation of the magnetic hysteresis properties of thermally treated carbon steels

Zagainov

Ulyanov

Чулкина

et al. 2012

Russ J Nondestruct Test

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“…Focusing on pearlitic steel, References [ 18 , 27 , 28 , 29 ] describe the interplay of coercivity and plastic deformation. In [ 18 ], the changes of the magnetic properties of patented steels containing 0.24 and 0.70 wt.% C are discussed.…”

Section: Resultsmentioning

confidence: 99%

Soft Magnetic Properties of Ultra-Strong and Nanocrystalline Pearlitic Wires

et al. 2021

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The paper describes the capability of magnetic softening of a coarse-grained bulk material by a severe deformation technique. Connecting the microstructure with magnetic properties, the coercive field decreases dramatically for grains smaller than the magnetic exchange length. This makes the investigation of soft magnetic properties of severely drawn pearlitic wires very interesting. With the help of the starting two-phase microstructure, it is possible to substantially refine the material, which allows the investigation of magnetic properties for nanocrystalline bulk material. Compared to the coarse-grained initial, pearlitic state, the coercivities of the highly deformed wires decrease while the saturation magnetization values increase—even beyond the value expectable from the individual constituents. The lowest coercivity in the drawn state is found to be 520 A m−1 for a wire of 24-µm thickness and an annealing treatment has a further positive effect on it. The decreasing coercivity is discussed in the framework of two opposing models: grain refinement on the one hand and dissolution of cementite on the other hand. Auxiliary measurements give a clear indication for the latter model, delivering a sufficient description of the observed evolution of magnetic properties.

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The effect of tempering temperature on the coercive force of high-carbon steels measured at room temperature and a temperature above the curie point of cementite

Ul’anov

Чулкина

Горкунов

2010

Russ J Nondestruct Test

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The role of cementite in the formation of magnetic hysteresis properties of plastically deformed high-carbon steels: III. Magnetic properties of patented wire made of steel 25

Cited by 5 publications

References 6 publications

The effect of cementite on the formation of the magnetic hysteresis properties of thermally treated carbon steels

The effect of cementite on the formation of the magnetic hysteresis properties of thermally treated carbon steels

Soft Magnetic Properties of Ultra-Strong and Nanocrystalline Pearlitic Wires

The effect of tempering temperature on the coercive force of high-carbon steels measured at room temperature and a temperature above the curie point of cementite

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