Počet záznamů: 1
Elastic parameters of various rafted structures of model Ni-base alloys
0352176 - UFM-A 2011 RIV CH eng J - Článek v odborném periodiku
Elastic parameters of various rafted structures of model Ni-base alloys.
Key Engineering Materials. Roč. 465, - (2011), s. 85-88 ISSN 1013-9826
Výzkumný záměr: CEZ:AV0Z20410507
Klíčová slova: rafting * elasticity * Ni-base superalloys
Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
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.
Trvalý link: http://hdl.handle.net/11104/0191751