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| INVESTIGATION OF STRUCTURAL RELAXATION IN AMORPHOUS ALLOY (Fe_(0.1)Ni_(0.35)Co_(0.55))_(78)Si_8B_(14) |
| ZHANG Yanzhong (Shanghai Institute of Iron and Steel Research) (Manuscript received 10 February; 1983; revised manuscript 1 November; 1983) |
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Cite this article:
ZHANG Yanzhong (Shanghai Institute of Iron and Steel Research) (Manuscript received 10 February; 1983; revised manuscript 1 November; 1983). INVESTIGATION OF STRUCTURAL RELAXATION IN AMORPHOUS ALLOY (Fe_(0.1)Ni_(0.35)Co_(0.55))_(78)Si_8B_(14). Acta Metall Sin, 1984, 20(4): 323-332.
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Abstract The structural relaxation and transformation in the amorphous alloy (Fe_(0.1) Ni_(0.35)Co_(0.55))_(78)Si_8B_(14) have been investigated by measurements of ~(57)Fe M()ssbauer spectra, parameters of positron annihilation, permeability disaccommodation, magnetic torque and isothermic change of electrical resistance, as well as by DSC method. The results showed that four stages of the structural relaxation and transformation are presented in the temperature range of 50—500℃. Two different features of the structural relaxation in thet emperature range of 175—200℃ and 400—420℃ respectively are found to correspond with the different changes of the magnetic properties. The chemical and the topological short range orders are obviously developed in the structural relaxation so as to give rise to an induced magnetic anisotropy. The kinetic behaviour of the structural relaxation at low temperature and the transformation at elevated temperature was discussed. The variation of the defect structure in the structural relaxation was explained by the Egami's model of defect structure.
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Received: 18 April 1984
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