Enthalpy - entropy compensation effect in grain boundary phenomena

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SYSNO ASEP	0027352
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Ostatní články
Title	Enthalpy - entropy compensation effect in grain boundary phenomena
Title	Kompenzační jev mezi entalpií u hranic zrn
Author(s)	Lejček, Pavel (FZU-D)_{RID, ORCID, SAI}
Source Title	Zeitschrift für Metallkunde - ISSN 0044-3093 Roč. 96, č. 10 (2005), s. 1129-1133
Number of pages	4 s.
Language	eng - English
Country	DE - Germany
Keywords	compensation effect ; enthalpy ; entropy ; thermodynamics ; grain boundary
Subject RIV	BJ - Thermodynamics
R&D Projects	FF-P2/053 GA MPO - Ministry of Industry and Trade (MPO)
CEZ	AV0Z10100520 - FZU-D (2005-2011)
Annotation	The existence of the so-colled "enthalpy-entropy compensation effect" as an inherent propertty of a system is proven on the basis of a pure thermodynamic analysis.The compensation effect is documented for the example of grain boundary segregation and migration. It is shown that the changes of the values of characteristic enthalpy and entropy that fulfil the compensation effect are caused by the changes of grain boundary energy via the changes of grain boundary structure and system chemistry: despite of the nature of such changes, a single linear dependence between the enthalpy and entropy should exist under the same mechanism of the process
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2006

Number of the records: 1