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RELIEF TRANSFORMATION OF Ni-BASED METALLIC GLASS RIBBON UPON ANNEALING IN β -RELAXATION REGION

Author

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  • P. N. BUTENKO

    (Solid State Physics Department, Ioffe Institute, Polytekhnicheskaya, 26, St Petersburg, 194021, Russia)

  • V. I. BETEKHTIN

    (Solid State Physics Department, Ioffe Institute, Polytekhnicheskaya, 26, St Petersburg, 194021, Russia)

  • B. A. OBIDOV

    (Solid State Physics Department, Ioffe Institute, Polytekhnicheskaya, 26, St Petersburg, 194021, Russia)

Abstract

The lack of ductility is known to be one of the major drawbacks of amorphous state. Recently, an increase in the tensile strength and ductility was found in the Ni82.1Cr7.8Si4.6Fe3.1Mn0.2Al0.1Cu0.1B2 metal glass ribbon pre-annealed at β-relaxation temperature. This paper analyzes the surface relief transformation observed during this process and the nature of separate inhomogeneities. The most significant effect is a flattening of the surface relief. This case was confirmed by statistical processing. Thus, the surface relief change was shown to be a clear indicator of structure relaxation process, that occurs in a metal glass ribbon well below its crystallization.

Suggested Citation

  • P. N. Butenko & V. I. Betekhtin & B. A. Obidov, 2025. "RELIEF TRANSFORMATION OF Ni-BASED METALLIC GLASS RIBBON UPON ANNEALING IN β -RELAXATION REGION," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 32(11), pages 1-7, November.
    • Handle: RePEc:wsi:srlxxx:v:32:y:2025:i:11:n:s0218625x25500040
    DOI: 10.1142/S0218625X25500040
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