A production attempt of selected metallic glasses with Fe and Ni matrix

• Autorzy: Pilarczyk W. , Nowosielski R. , Babilas R.
• Języki publikacji: EN

Abstrakty

EN

Purpose: This paper tends to present the microstructure characterization and thermal analysis of the Fe- and Ni-based bulk metallic materials. Design/methodology/approach: The studies were carried out on bulk metallic materials as rods. The rods of the Fe57.6Co7.2Ni7.2B19.2Si4.8Nb4 and Ni64.8Co7.2B19.2Si4.8Nb4 alloys were obtained by the pressure die casting. In order to investigate the structure scanning electron microscopy were used. Phase composition of obtained rods was determined by means of diffractometer. The thermal properties of the studied alloys were examined by differential thermal analysis and differential scanning calorimetry. Findings: The x-ray analysis, microscopic observation and thermal examination revealed that the studied as-cast bulk metallic materials were of amorphous, crystalline and mixed structure. Broad diffraction halo can be seen for rods with diameter of ø=1.5 and 2mm of Fe57.6Co7.2Ni7.2B19.2Si4.8Nb4 alloy. The replacement of Fe by Ni created crystalline structure. Practical implications: Fe- and Ni-based bulk metallic glass systems have been developed because they offer great potential for commercial application. Fe-based ferromagnetic bulk glassy alloys exhibit great magnetic properties. It is very important for their magnetic applications. That alloys can be used as soft electro-magnetic cores for choke coil or noise filter. Ni-based bulk metallic glasses exhibit excellent mechanical properties and corrosion resistance. Originality/value: The formation and studies of the casted Fe- and Ni-based bulk materials and investigation of the effectiveness of the replacement of Fe by Ni.

Słowa kluczowe

EN

amorphous materials; bulk metallic glasses; thermal properties; Fe-based alloys; Ni-based alloys

PL

materiały amorficzne; masywne szkła metaliczne; właściwości termiczne; stopy na bazie żelaza; stopy na bazie niklu

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2010
• Tom: Vol. 41, nr 1
• Strony: 5--12
• Opis fizyczny: Bibliogr. 27 poz.

Twórcy

autor

Pilarczyk W.

autor

Nowosielski R.

autor

Babilas R.

• Division of Nanocrystalline and Functional Materials and Sustainable Pro-ecological Technologies, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland,

Bibliografia

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