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An analysis of segregation-induced changes in grain boundary cohesion in bcc iron |
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| Authors: | Pavel Lejček Mojmír Šob |
| Affiliation: | 1. Laboratory of Nanostructures and Nanomaterials (LNSM), Institute of Physics, Academy of Sciences of the Czech Republic (ASCR), Na Slovance 2, 182 21, Prague 8, Czech Republic 2. Central European Institute of Technology, CEITEC MU, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic 3. Institute of Physics of Materials, ASCR, ?i?kova 22, 616 62, Brno, Czech Republic 4. Department of Chemistry, Faculty of Science, Masaryk University, Kotlá?ská 2, 611 37, Brno, Czech Republic |
| Abstract: | We thoroughly compare available experimental as well as theoretical values of the strengthening/embrittling energy of numerous solutes at grain boundaries in α-iron and assess their reliability. The strengthening/embrittling energy is displayed according to its relationship to the difference of corresponding sublimation enthalpies of the host and the solute as well as with regard to the position of the solute in the Periodic Table. |
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