Relationship between η phase formation and solidification rate in directionally solidified IN792 + Hf alloy
作者： W.R. Sun , J.H. Lee , S.M. Seo , S.J. Choe , Z.Q. Hu
DOI: 10.1179/026708399101505220
关键词:
摘要: The effect of solidification rate on the formation eta phase in a directionally solidified IN792 + Hf super alloy was studied. A Cr rich 'precipitate free zone' adjacent to eutectic (gamma gamma') noticed quenched microstructure alloy. precipitate zone Mras due which consumed large amount gamma' forming elements and increased ratio (Ti Ta W)/Al residual liquid. high of(Ti final liquid induced hence always appeared at boundary between regions dendrite core regions. decreased by diffusion surrounding ai ea. lower favoured back reduced phase. MST/4279.
irgrid.ac.cn参考文章(4)
Shuang-Lin Chen, W. Oldfield, Y. Austin Chang, M. K. Thomas, Modeling solidification of turbine blades using theoretical phase relationships Metallurgical and Materials Transactions A. ,vol. 25, pp. 1525- 1533 ,(1994) , 10.1007/BF02665484
A. K. Bhambri, T. Z. Kattamis, J. E. Morral, Cast microstructure of Inconel 713C and its dependence on solidification variables Metallurgical and Materials Transactions B-process Metallurgy and Materials Processing Science. ,vol. 6, pp. 523- 537 ,(1975) , 10.1007/BF02913844
H. Q. Zhu, Z. Q. Hu, Y. X. Zhu, S. R. Guo, H. R. Guan, C. X. Shi, M. Morinaga, Y. Murata, Effect of phosphorus on solidification process and segregation of directionally solidified IN738 superalloy Metallurgical and Materials Transactions B-process Metallurgy and Materials Processing Science. ,vol. 26, pp. 831- 837 ,(1995) , 10.1007/BF02651730
Phase Diagram Calculations for High-Temperature Structural Materials [and Discussion] Philosophical Transactions of the Royal Society A. ,vol. 351, pp. 543- 561 ,(1995) , 10.1098/RSTA.1995.0052