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Temperature Resistance of Magnetoelastic Characteristics of 13CrMo4-5 Constructional Steel

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Jackiewicz D., Kachniarz M., Rozniatowski K., Dworecka J., Szewczyk R., Salach J., Bienkowski A., Winiarski W.

Acta Physica Polonica A

2015

vol. 127

issue 2

614-616

In the paper the results of investigation on tensile stresses dependence of magnetoelastic characteristics of cores made of 13CrMo4-5 constructional steel are presented. In the investigation step-cooling test treated samples were used. The step-cooling test process is a type of heat treatment simulating effects of passing time and environmental conditions (temperature and stress) on the sample. In the paper the method of testing the influence of stresses on the magnetic characteristics is presented. Frame shaped samples ensured a closed magnetic circuit and homogeneous distribution of stress. It was found that step-cooling test does not significantly influence the magnetoelastic characteristics and the structure of the samples. On the other hand, then tensile stresses significantly change the magnetic characteristics of 13CrMo4-5 constructional steel. That confirms the possibility of using measurements based on the magnetoelastic effect in the stress assessment for industrial non destructing testing of steel constructions.

Influence of Thermomagnetic Treatment on Magnetoelastic Properties of FeNiMoB Amorphous Alloy

100%

Szewczyk R., Svec P., Salach J., Švec P., Bieńkowski A., Hoško J., Jackiewicz D., Kamiński M., Winiarski W.

vol. 126

issue 1

52-53

Paper presents the results of magnetoelastic tests of ring-shaped cores made of Fe_{40}Ni_{38}Mo_{4}B_{18} amorphous alloy. The cores were subjected to thermomagnetic annealing under different values of magnetic field. The obtained results enabled us to connect the magnetoelastic characteristics of Fe_{40}Ni_{38}Mo_{4}B_{18} amorphous alloy with the conditions of thermomagnetic treatment of the material.

The Influence of Thermomagnetic Treatment on the Magnetoelastic Characteristics of Fe₆₁Co₁₉Si₅B₁₅ Amorphous Alloys

100%

Salach J., Szewczyk R., Svec Sr P., Bieńkowski A., Jackiewicz D., Svec P., Nowicki M., Winiarski W., Kachniarz M., Gruszecka M.

Acta Physica Polonica A

2015

vol. 127

issue 2

617-619

Information about magnetoelastic properties of newly developed amorphous magnetic alloys is very important from practical point of view, especially in the case of high permeability materials such as the Fe₆₁Co₁₉Si₅B₁₅ amorphous alloy. In the case of such materials, effect connected with the influence of external stresses on the magnetic properties of the alloy should be tested. This paper presents experimental results of the magnetoelastic properties investigation of the Fe₆₁Co₁₉Si₅B₁₅ amorphous alloy, annealed without magnetic field as well as in the magnetic field. Such thermo-magnetic treatment generated anisotropy has significant influence on the total free energy of magnetic material. In the magnetoelastic investigation, the compressive stress was applied to the ring shaped core, perpendicularly to the magnetizing field direction. Due to the fact, that cores with closed magnetic circuits were used, demagnetization did not change the balance of total free energy in the material.

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3 Acta Physica Polonica A

2 2015

1 2014

3 Jackiewicz D.

3 Salach J.

3 Szewczyk R.

3 Winiarski W.

2 Bieńkowski A.

2 Kachniarz M.

2 Svec P.

1 Bienkowski A.

1 Dworecka J.

1 Gruszecka M.

1 Hoško J.

1 Kamiński M.

1 Nowicki M.

1 Rozniatowski K.

1 Svec Sr P.

1 Švec P.

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Temperature Resistance of Magnetoelastic Characteristics of 13CrMo4-5 Constructional Steel

Influence of Thermomagnetic Treatment on Magnetoelastic Properties of FeNiMoB Amorphous Alloy

The Influence of Thermomagnetic Treatment on the Magnetoelastic Characteristics of Fe₆₁Co₁₉Si₅B₁₅ Amorphous Alloys