Physicochemical and technological features of creating metal-based high-superalloys

Verfasser / Beitragende:
[E. N. Kablov, N. V. Petrushin]
Ort, Verlag, Jahr:
2004
Enthalten in:
Pure and Applied Chemistry, 76/9(2004-09-30), 1679-1689
Format:
Artikel (online)
ID: 378939211
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024 7 0 |a 10.1351/pac200476091679  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1351/pac200476091679 
245 0 0 |a Physicochemical and technological features of creating metal-based high-superalloys  |h [Elektronische Daten]  |c [E. N. Kablov, N. V. Petrushin] 
520 3 |a The analysis of modern nickel-based superalloys evolution for casting single-crystal turbine blades was performed. The influence of rhenium as a new alloying element on the physicochemical, kinetic, and structural parameters of nickel-based superalloys and phase stability is discussed. The following experimental data are generalized: the coefficients of segregation and distribution of alloying elements in nickel-based superalloys gamma- and gamma'-phases, the influence of alloying elements on the melting temperature, gamma- and gamma'-phases crystal lattice parameters, diffusion rate of atoms and probability of topologically close-packed (TCP) phase formation. The principles of the balanced alloying and computerized design method for developing fourth-generation single-crystal nickel-based superalloys with high Re content (9 -10 %) are considered. The role of high gradient directional solidification (200 -220°C cm-1) in producing single-crystal turbine blades of nickel-based superalloys with high Re content is discussed. 
540 |a © 2013 Walter de Gruyter GmbH, Berlin/Boston 
700 1 |a Kablov  |D E. N.  |u All-Russia Institute of Aviation Materials, 17 Radio St., Moscow 107005, Russia  |4 aut 
700 1 |a Petrushin  |D N. V.  |u All-Russia Institute of Aviation Materials, 17 Radio St., Moscow 107005, Russia  |4 aut 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kablov  |D E. N.  |u All-Russia Institute of Aviation Materials, 17 Radio St., Moscow 107005, Russia  |4 aut 
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