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Урусова Б.И.1, Джатдоева С.Ю.2
'Доктор физико - математических наук, 2Аспирант, Карачаево - Черкесский Государственный университет имени У.Д. Алиева ТЕРМООСТАТОЧНАЯ НАМАГНИЧЕННОСТЬ ГОРНЫХ РУД В СЛАБЫХ МАГНИТНЫХ ПОЛЯХ
Аннотация
В работе экспериментально исследовано влияние слабых магнитных полей на термоостаточную намагниченность горных
руд.
Ключевые слова: магнитное поле, горная руда, габбро, намагниченность насыщения, термоостаточная намагниченность.
Urusova B.I.1, Dzhatdoeva S. U.2
'Doktor Physics - Mathematical Sciences, 2Aspirant, Karachay - Circassian State University named U.D. Aliyev HERMOREMA- MAGNETIZATION OF THE THROTTLE IN WEAK MAGNETIC FIELDS
Abstract
The paper used experimentally investigated the influence of the effect of weak magnetic fields on thermorema- magnetization of ores. Keywords: magnetic field, mining ore, gabbro, saturation magnetization, thermoremanent magnetization.
We have previously [1] investigated the influence of strong magnetic fields on thermorema- magnetization of ores.
It was of interest to investigate the influence of weak magnetic fields on thermorema- magnetization of ores.
The aim of this work is to experimentally investigate the effect of weak magnetic fields on thermorema- magnetization of ores (gabbro). Samples of ore mining (gabbro) were taken from the left bank of the river. Maruja, Zelenchuksky District, Karachay - Cherkess Republic, № 7/1022 borehole and age uPR-PZi.
Thermoremanent magnetization measurement was performed by the method of [2] in weak magnetic fields up to H = 1E.
Figure 1 shows the dependence of the intensity of thermoremanent magnetization -IT°,H(T) mining ores (gabbro) from the external
magnetic field H = 1E.
Fig. 1 shows that the intensity of thermoremanent magnetization of ores (gabbro) slightly increased. Evidently, weak field to form a more effective thermoremanent magnetization.
Fig. 1 - Intensity thermoremanent magnetization of ores (gabbro) in weak fields.
Thermoremanent magnetization dependence of weak magnetic fields can be expressed by the equation: ll°,H(T)™tnh(a,H), (1)
where T0- initial temperature; Tc-critical temperature; a -const Graphically, the expression (1) is shown in figure 2.
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Fig. 2 - Dependence thermoremanent magnetization of the magnetic field - N.
Mining ore (gabbro) during cooling in the earth's magnetic field becomes more stable and thermorema- magnetization. Upon further cooling intensity of magnetization termooostatochnoy 1T°, Н(Т) passes through the blocking temperature - Tb (see figure 3).
A quantitative comparison of the experimentally obtained curves (sm.ris.1-3) leads to the fact that thermoremanent magnetization in weak magnetic fields obeys the additive, that is.
I C
Fig.3 - The spectrum of thermoremanent magnetization mining ore (gabbro): 1-curve derived theoretically; 2- experimentally.
There is a partial thermomagnetization mining ores (gabbro).
Thus, experimental studies termostatochnoy magnetization of ores (gabbro) in weak magnetic fields up to H = 1E showed:
• thermoremanent magnetization intensity increases slightly;
• maximum thermoremanent magnetization lies in the region of the blocking temperature - Tb;
• thermoremanent magnetization obeys the additive.
References
1. B.I. Urusova, A. S. Chausheva, FA Uzdenova, U.M.Laypanov "Thermorema- magnetization of rocks." Bulletin Iz GTU. Izhevsk.№2 (42) 2009.P119-122.
2. O.S. Galkina, B.I. Urusova, V.F.Shalashov "Magnetic properties of alloys Ho-Pr», FMM, №56, v.2,1983.P.-398-401.
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