Equal-channel angular extrusion of beryllium Academic Article uri icon

abstract

  • The equal-channel angular extrusion (ECAE) technique has been applied to a powder metallurgy (P/M) source Be alloy. Extrusions have been successfully completed on Ni-canned billets Of Be at approximately 425 °C. No cracking was observed in the billets, and significant grain refinement was achieved. In this article, microstructural features and dislocation structures are discussed for a single-pass extrusion, including evidence of 〈c〉 and 〈c + a〉 dislocations. Significant crystallographic texture developed during ECAE, which is discussed in terms of this unique deformation processing technique and the underlying physical processes which sustain the deformation.

author list (cited authors)

  • Field, R. D., Necker, C. T., Hartwig, K. T., Bingert, J. F., & Agnew, S. R.

citation count

  • 12

publication date

  • March 2002