Journal of Materials Science

, Volume 43, Issue 11, pp 3782–3791 | Cite as

Grain boundary reorientation in copper

Intergranular and Interphase Boundaries in Materials

Abstract

The present route to grain boundary engineering (GBE) is usually based on multiple annealing twinning which can only be applied to a certain subset of materials, namely those that twin prolifically. A more general approach has been highlighted recently, following experimental evidence that certain boundary planes in iron bicrystals are ‘special’, and that this classification is not based on misorientation. It was suggested that, under suitable conditions, individual interfaces could reorient the most energetically advantageous orientations. This approach concurs with a similar concept of ‘grain boundary plane engineering’, proposed previously. In the present article we explore this concept and report the effect of long duration, low temperature annealing on the distribution of boundary misorientation and planes in copper. The new findings give support to the possibility of grain boundary structure optimisation via controlled annealing. To have established that grain boundary plane reorientation is feasible opens up new avenues and challenges in the field of grain boundary research. This could have significant impact both scientifically in terms of understanding grain boundary structure and technologically in the field of GBE.

Keywords

Misorientation Angle Boundary Plane Length Fraction Reference Specimen Annealing Twin 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The authors acknowledge useful discussions and assistance with the five-parameter software from Professor G. Rohrer and Mr. H. Miller from Carnegie Mellon University, Pittsburgh, USA.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.Materials Research Centre, School of EngineeringUniversity of Wales SwanseaSwanseaUK

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