Abstract
Plasticity is a very important characteristic of a material since it is crucial for its technological application. The majority of pure metals as well as their numerous alloys exhibits very good deformability at room or enhanced temperatures and therefore, they can be more or less easily formed into a required shape. However, some impurities can qualitatively change the deformation mode of the metal. It has been known for more than one hundred years, for example, that copper exhibiting excellent plasticity, becomes brittle by addition of about one percent antimony [1]. Similarly, bismuth in much lower bulk concentrations also embrittles copper in such a way that it separates intergranularly under loading [2].
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Lejček, P. (2000). From Anisotropy of Grain Boundary Segregation to Grain Boundary Design for Polycrystals. In: Lépinoux, J., Mazière, D., Pontikis, V., Saada, G. (eds) Multiscale Phenomena in Plasticity: From Experiments to Phenomenology, Modelling and Materials Engineering. NATO Science Series, vol 367. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4048-5_32
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