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Elastic parameters of various rafted structures of model Ni-base alloys
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SYSNO ASEP 0352176 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Elastic parameters of various rafted structures of model Ni-base alloys Author(s) Buršík, Jiří (UFM-A) RID, ORCID Source Title Key Engineering Materials - ISSN 1013-9826
Roč. 465, - (2011), s. 85-88Number of pages 4 s. Language eng - English Country CH - Switzerland Keywords rafting ; elasticity ; Ni-base superalloys Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000291704700016 Annotation Two-phase microstructure of orderer cube-shaped precipitates in the disorderer matrix is characteristic of Ni-base superalloys. This microstructure degrades under the applied stress:depending on the stress direction, latice misfit and elastic parameters of both constituent phases, the precipitates coalesce and change their overall shape. Various atomic configurations were modeled in this work representing various morphologies of precipitates developed under applied stress. A model Ni-base alloy containing six alloing elements typical of advanced Ni-besed superalloys was used. Generated configurations were further subject to study of elastic parameters by means of computer straining experiments. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2011
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