Gamma prime precipitation in as-deposited Ni-based superalloy IN713LC

被引：10
|
作者：
Miller, J. R. [1 ]
Markanday, J. F. S. [1 ]
Fairclough, S. M. [1 ]
Wise, G. J. [1 ]
Rae, C. M. F. [1 ]
Owen, L. R. [2 ]
Stapleton, D. [3 ]
D'Souza, N. [3 ]
Bagot, P. A. J. [4 ]
Stone, H. J. [1 ]
机构：
[1] Univ Cambridge, Dept Mat Sci & Met, 27 Charles Babbage Rd, Cambridge CB3 0FS, England
[2] Univ Sheffield, Dept Mat Sci & Engn, Mappin St, Sheffield S1 3JD, England
[3] Rolls Royce Plc, POB 31, Derby DE24 8BJ, England
[4] Univ Oxford, Dept Mat, Parks Rd, Oxford OX1 3PH, England
来源：
SCRIPTA MATERIALIA | 2024年 / 239卷
基金：
英国工程与自然科学研究理事会;
关键词：
Laser deposition; High -resolution electron microscopy (HREM); Superalloy; Nanostructure; Nucleation of phase transformations; HEAT-TREATMENT; MICROSTRUCTURE; TEXTURE; FIELD;
D O I：
10.1016/j.scriptamat.2023.115775
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The as-deposited microstructure of an additively manufactured Ni-based superalloy fabricated using laser powder-bed-fusion has been investigated using atomic resolution transmission electron microscopy. It is shown that gamma ' precipitates exist in the as-deposited condition, albeit in a non-equilibrium state. The precipitates are present as nano-structured domains throughout the microstructure. These domains exhibit clear L12 ordering but show highly irregular matrix-precipitate interfaces.
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收藏
页数：5
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