CHARACTERISTIC TRAITS OF THE STRUCTURAL AND PHASE SENSITIVITY OF THE RELAXATIONAL MAGNETIC PARAMETERS OF STEELS

Sandomirsky S.G., Dr. Techn. Sc., Chief Researcher of the Laboratory of Metallurgy in Mechanical Engineering. STC “Technology of mechanical engineering and process equipment”, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus

To analyze the structural and phase sensitivity of the relaxational magnetic parameters of steels and steel products, formulas are applied that relate these parameters to the parameters of the marginal hysteresis loop and the demagnetization factor. The conditions are determined under which the relaxational magnetic parameters are highly sensitive to changes in the structural state and the phase constitution of steels and steel products.

• Miheev M.N., Gorkunov Je.S. Magnitnye metody strukturnogo analiza i nerazrushajushhego kontrolja [Magnetic methods of structural analysis and nondestructive control]. Moscow, Nauka Publ., 1993. 252 p. 
• Kljuev V.V., Muzhickij V.F., Gorkunov Je.S., Shherbinin V.E. In: V.V. Kljuev (Ed.). Nerazrushajushhij kontrol'. Spravochnik v 8 t.[ Non-Destructive Testing. Handbook: in 8 vols.]. Magnitnye metody kontrolja [Magnetic methods of control], vol.6, book 1, Moscow, Mashinostroenie, 2006. 848 p. 
• Tikadzumi S. Fizika ferromagnetizma. Magnitnye harakteristiki i prakticheskie primenenija [The physics of ferromagnetism. Magnetic characteristics and practical applications]. Moscow, Mir, 1987. 419 p. 
• Bida G.V., Nichipuruk A.P. Magnitnye svojstva termoobrabotannyh stalej [Magnetic properties of heat treated steels]. Ekaterinburg, UrO RAN, 2005. 218 p. 
• Miheev M.N., Gorkunov Je.S., Dunaev F.N. Nerazrushajushhij magnitnyj kontrol' zakalennyh i otpushhennyh izdelij iz nizkolegirovannyh konstrukcionnyh i prostyh uglerodistyh stalej [Non-destructive magnetic control of quenched and tempered products from low-alloy structural and ordinary carbon steels]. Defektoskopija [Non-destructive testing], 1977, no. 6, pp. 7-13. 
• Kostin V.N. [et al.]. Mnogoparametrovye metody strukturoskopii stal'nyh izdelij s ispol'zovaniem magnitnyh svojstv veshhestva [Multiparameter methods of structuroscopy of steel products using magnetic properties of matter]. Defektoskopija [Non-destructive testing], 2004, no. 3, pp. 69-82. 
• Kostin K.V. [et al.]. Vybor parametrov i algoritma magnitnoj tverdometrii uglerodistyh termoobrabotannyh stalej metodom regressionnogo modelirovanija [Selection of parameters and algorithm of magnetic hardness testing of carbon heat-treated steels by regression modeling method]. Defektoskopija [Non-destructive testing], 2011, no. 2, pp. 3-11. 
• Sandomirskij S.G. Analiz vozmozhnosti izmerenija ostatochnoj namagnichennosti ferromagnitnogo materiala v otkrytoj magnitnoj cepi [Analysis of the ability to measure the residual magnetization of ferromagnetic material in open magnetic circuit]. Metrologija [Metrology], 2010, no. 3, pp. 33-41. 
• Sandomirskij S.G. Raschet relaksacionnoj kojercitivnoj sily ferromagnitnogo materiala [Calculation of relaxation coercive force of ferromagnetic material]. Jelektrichestvo [Electricity], 2010, no. 7, pp. 55-58. 
• Sandomirskij S.G. Raschet relaksacionnoj kojercitivnoj sily ferromagnitnogo tela [Calculation of relaxation coercivity of ferromagnetic body]. Jelektrotehnika [Electrical technology], 2011, no. 2, pp. 58-62. 
• Sandomirskij S.G. Analiz strukturnoj i fazovoj chuvstvitel'nosti namagnichennosti kojercitivnogo vozvrata stalej [Analysis of structural and phase sensitivity of magnetization of coercive steels’ return]. Stal' [Steel], 2012, no. 8, pp. 61-65. 
• GOST 8.377—80. Materialy magnitomjagkie. Metodika vypolnenija izmerenij pri opredelenii staticheskih magnitnyh harakteristik [State Standard 8.377—80. Soft magnetic materials. Methods of measurement in determining static magnetic characteristics]. Moscow, Izd-vo standartov, 1986. 21 p. 
• Chernyshev E.T. Magnitnye izmerenija [Magnetic measurements]. Moscow, Izd-vo standartov, 1969. 248 p. 
• Sandomirskij S.G. Rekomendacii po primeneniju v tehnicheskih raschetah formul dlja central'nogo kojefficienta razmagnichivanija sploshnyh i polyh cilindrov, sterzhnej i plastin iz materiala s vysokoj magnitnoj pronicaemost'ju (obzor) [Recommendations for use in engineering calculations of formulas for central demagnetization coefficient of solid and hollow cylinders, rods and plates from material with high magnetic permeability (review)]. Tehnich. diagnostika i nerazrushajushhij kontrol' [Techn. diagnostics and non-destructive testing], 2008, no. 3, pp. 38-46. 
• Sandomirskij S.G. Analiz strukturnoj i fazovoj chuvstvitel'nosti relaksacionnoj namagnichennosti stalej [Analysis of structural and phase sensitivity of relaxation magnetization of steel]. Metally [Metals], 2011, no. 2, pp. 92-96. 
• Sandomirskij S.G. Analiz strukturnoj i fazovoj chuvstvitel'nosti relaksacionnoj kojercitivnoj sily ferromagnitnogo tela [Analysis of structural and phase sensitivity of relaxation coercive force of ferromagnetic body]. Kontrol'. Diagnostika [Control. Diagnostics], 2011, no. 9, pp. 19-24. 
• Sandomirskij S.G. Raschet i analiz relaksacionnyh magnitnyh parametrov stalej [Calculation and analysis of relaxation of magnetic parameters of steels]. Palmarium academic publishing. Saarbrucken, Germany, 2012. 100 p. 
• Sandomirskij S.G. Chuvstvitel'nost' ostatochnoj namagnichennosti ferromagnitnyh izdelij k magnitnym harakteristikam ih materialov i geometricheskim parametram [Sensitivity of residual magnetization of ferromagnetic items to magnetic characteristics of their materials and geometric parameters]. Defektoskopija [Non-destructive testing], 1990, no. 12, pp. 53-59. 
• Car'kova T.P., Bida G.V., Kostin V.N. Izmerenie relaksacionnoj kojercitivnoj sily i relaksacionnoj magnitnoj indukcii na obrazcah razomknutoj formy [Measurement of relaxation coercive force and relaxation magnetic induction on samples of open mold]. Dep. no. 7483, Moscow, VINITI, 1987. 14 p.