Effect of Zr Purity and Oxygen Content on the Structure and Mechanical Properties of Melt-Spun and Suction-Cast Cu46Zr42Al7Y5 Alloy

• Autorzy: Kozieł T. , Latuch J. , Cios G. , Bała P.

Identyfikatory

DOI

10.1515/amm-2016-0201

• Języki publikacji: EN

Abstrakty

EN

The effect of oxygen content in zirconium on the structure and mechanical properties of the Cu₄₆Zr₄₂Al₇Y₅ alloy, in the form of melt-spun ribbons and suction-cast rods, was investigated. Two types of Zr, rod and crystal bar of different nominal purities and oxygen contents, were used to synthesize the alloy by arc melting. Rapidly solidified ribbons were produced by melt spinning and their amorphous structures were confirmed by X-ray diffractometry (XRD) and differential scanning calorimetry (DSC). Bulk samples in the form of rods were cast using a special water-cooled suction casting unit attached to the arc melting system. XRD and DSC studies proved the amorphous structure of the bulk alloy synthesized from low-oxygen Zr and partial crystallization of the same alloy for high-oxygen Zr. In both bulk samples, uniformly distributed crystalline particles were identified as yttrium oxides. Higher mean compressive strength of amorphous alloy was observed. The hardness of amorphous phase was close to 500 HV1 in both bulk alloys, while the hardness of crystalline dendritic areas, observed in the alloy synthesized from high oxygen Zr, was lower by about 50 HV1.

Słowa kluczowe

EN

metallic glasses; bulk metallic glasses; melt spinning; suction casting

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 2B
• Strony: 1215--1219
• Opis fizyczny: Bibliogr. 29 poz., rys., tab., wykr.

Twórcy

autor

Kozieł T.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, 30 Mickiewicza Al., 30-059 Krakow, Poland

autor

Latuch J.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, 141 Wołoska Str., 02-507 Warsaw, Poland

autor

Cios G.

• AGH University of Science and Technology, Academic Centre for Materials and Nanotechnology, 30 Mickiewicza Al., 30-059 Krakow, Poland

autor

Bała P.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, 30 Mickiewicza Al., 30-059 Krakow, Poland
• AGH University of Science and Technology, Academic Centre for Materials and Nanotechnology, 30 Mickiewicza Al., 30-059 Krakow, Poland

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Uwagi

EN

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę