SOPOUŠEK, Jiří, Jiří BURŠÍK a Pavel BROŽ. Experimental and Theoretical Study of Redistribution of Alloying Elements in Ni-based Weld Joints at High Temperatures. Intermetallics. Netherlands: Elsevier, 2005, roč. 13/2005, č. 8, s. 872-878. ISSN 0966-9795. |
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@article{572113, author = {Sopoušek, Jiří and Buršík, Jiří and Brož, Pavel}, article_location = {Netherlands}, article_number = {8}, keywords = {Nickel aluminides; Ni3Al; Diffusion; Phase diagram; DICTRA; element profile; simulation}, language = {eng}, issn = {0966-9795}, journal = {Intermetallics}, title = {Experimental and Theoretical Study of Redistribution of Alloying Elements in Ni-based Weld Joints at High Temperatures}, volume = {13/2005}, year = {2005} }
TY - JOUR ID - 572113 AU - Sopoušek, Jiří - Buršík, Jiří - Brož, Pavel PY - 2005 TI - Experimental and Theoretical Study of Redistribution of Alloying Elements in Ni-based Weld Joints at High Temperatures JF - Intermetallics VL - 13/2005 IS - 8 SP - 872-878 EP - 872-878 PB - Elsevier SN - 09669795 KW - Nickel aluminides KW - Ni3Al KW - Diffusion KW - Phase diagram KW - DICTRA KW - element profile KW - simulation N2 - Ni-based diffusion couples were investigated experimentally at 1000ºC and 1200ºC. The experimental results were compared with theoretical calculations. Equilibrium calculations needed were obtained using CALPHAD approach. The diffusion processes were simulated by means of DICTRA program. The thermodynamic database TCNI was used for equilibrium calculations. User kinetic database was taken for evaluation of diffusion fluxes. The experimental techniques of light microscopy and analytical electron microscopy (TEM, SEM, EDAX) were used. An additional microhardness measurement was also performed. Some particular aspects of the joining of the Ni-based superalloys are discussed. An experimental evidence of validity of local phase equilibrium assumption is given. ER -
SOPOUŠEK, Jiří, Jiří BURŠÍK a Pavel BROŽ. Experimental and Theoretical Study of Redistribution of Alloying Elements in Ni-based Weld Joints at High Temperatures. \textit{Intermetallics}. Netherlands: Elsevier, 2005, roč.~13/2005, č.~8, s.~872-878. ISSN~0966-9795.
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