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Role of strain-rate and phase boundary geometry on the deformation behaviour of two-phase bicrystals of alpha-beta brass

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Abstract

Tensile testing was carried out at various strain-rates using alpha-beta brass two-phase bicrystal specimens having two types of boundary geometries, currugated and flat. The corrugated boundary was more effective in blocking the propagation of slip from alpha to beta phase. A strain-rate sensitivity was found in all specimens regardless of boundary geometry. At low strain-rate, both boundary types were found to be ineffective barriers to the propagation of slip. At high strain-rates both boundaries fully resisted the passage of deformation. At low strain-rates coarse slip was observed, while at high strain-rates fine slip occurred in the alpha phase.

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Author notes

  1. C. F. Nilsen

    Present address: Department of Mechanical Engineering, Rochester Institute of Technology, 14623, Rochester, NY, USA

Authors and Affiliations

  1. Department of Metallurgy, Mechanics and Materials Science, Michigan State University, 48824, East Lansing, Michigan, USA

    C. F. Nilsen & K. N. Subramanian

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  1. C. F. Nilsen
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  2. K. N. Subramanian
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Nilsen, C.F., Subramanian, K.N. Role of strain-rate and phase boundary geometry on the deformation behaviour of two-phase bicrystals of alpha-beta brass. J Mater Sci 19, 768–776 (1984). https://doi.org/10.1007/BF00540447

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  • DOI: https://doi.org/10.1007/BF00540447

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