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.

引用

页数：5

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