Optical response of nickel-based superalloy Inconel-718 for applications in additive manufacturing

被引:13
|
作者
Curry, Erin B. [1 ,2 ]
Sahoo, Sanjubala [3 ]
Herrera, Chloe [1 ]
Sochnikov, Ilya [1 ,2 ]
Alpay, S. Pamir [2 ,3 ]
Hebert, Rainer J. [2 ,3 ]
Willis, Brian G. [4 ]
Qi, Jie [1 ]
Hancock, Jason N. [1 ,2 ]
机构
[1] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA
[2] Univ Connecticut, Inst Mat Sci, Storrs, CT 06269 USA
[3] Univ Connecticut, Dept Mat Sci & Engn, Storrs, CT 06269 USA
[4] Univ Connecticut, Dept Chem & Biomol Engn, Storrs, CT 06269 USA
基金
美国国家科学基金会;
关键词
MICROSTRUCTURE; DEPOSITION;
D O I
10.1063/5.0006006
中图分类号
O59 [应用物理学];
学科分类号
摘要
We present a broadband infrared and optical study of the compositionally complex nickel-based superalloy Inconel-718, a common material used in additive manufacturing using the direct metal laser sintering (DMLS) technique. We find a broad, featureless spectral emissivity, which is consistent with dc transport measurements and contextualize the results against literature reports of disordered metals. We show that electronic structure calculations based on first-principles modeling can explain most of the spectral weight distribution and show that the peculiar infrared optical properties in this class of materials can present challenges in accurately reporting remote temperature sensing in DMLS.
引用
收藏
页数:6
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