Structure and properties of amorphous and nanocrystalline Fe78Si11-xB11Yx(x = 0 or 2) alloys produced in a single production step using controlled parameters melt-spinning method

• Autorzy: Błoch, K.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The paper presents results of structural and magnetic properties of Fe78Si11B11 and Fe78Si9B11Y2 alloys in the form of ribbons. The effect of addition of yttrium on the structure and magnetic properties was investigated. Design/methodology/approach: The investigated samples were prepared in the form of ribbons using the melt-spinning method. The material structures were investigated using X-ray diffractometry, Mössbauer spectroscopy and scanning electron microscopy. The magnetic properties were studied using using vibrating magnetometer. Findings: Samples were fabricated using rapid cooling at a rotating copper wheel. Images of fractures of investigated samples obtained by decohesion using same magnifications are similar. The distinct vein like structure or the husk structure are not visible thought they are typical of amorphous and nanocrystalline materials with a high degree of internal stress. Mössbauer spectrum is typical as for amorphous materials that are ferromagnetic. It consists of six lines forming a Zemman's sextet. The hyperfine induction field distribution obtained for this sample shows clearly separated two components: low- and high-field. After the introduction of 2% at. Y to the alloy Fe78Si11B11 in place of Si partial crystallization occurred. The shape of the initial magnetization curves is similar and corresponds to materials with low effective anisotropy. Originality/value: The paper presents some researches of the Fe-based bulk amorphous alloys obtained by the melt-spinning method.

Słowa kluczowe

PL

stop amorficzny; stop nanokrystaliczny; struktura; mikrostruktura; pętle histerezy

EN

amorphous alloy; nanocrystalline alloy; structure; microstructure; hysteresis loops

• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2015
• Tom: Vol. 73, nr 1
• Strony: 5--12
• Opis fizyczny: Bibliogr. 44 poz., rys., tab.

Twórcy

autor

Błoch, K.

• Institute of Physics, Faculty of Materials Processing Technology and Applied Physics Czestochowa University of Technology, Al. Armii Krajowej 19, 42-200 Częstochowa, Poland,

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