Determination of Aluminum in Nickel-based Superalloys by Using Laser-Induced Breakdown Spectroscopy

ZHU Dehua; WANG Xi; NI Xiaowu; CHEN Jianping; LU Jian

Plasma Science and Technology > 2011 > 13(4): 486-489.

ZHU Dehua, WANG Xi, NI Xiaowu, CHEN Jianping, LU Jian. Determination of Aluminum in Nickel-based Superalloys by Using Laser-Induced Breakdown Spectroscopy[J]. Plasma Science and Technology, 2011, 13(4): 486-489.

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Determination of Aluminum in Nickel-based Superalloys by Using Laser-Induced Breakdown Spectroscopy

1School of Science, Nanjing University of Science and Technology, Nanjing 210094, China 2Beijing Aeronautical Technology Research Center, Beijing 100076, China

Funds: This work was financially supported by the National Natural Science Foundation of China (No. 60878023) and the postgraduate research and innovation project in Jiangsu province (No. AD20318)

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Received Date: November 03, 2010

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Abstract

Abstract

Laser-induced breakdown spectroscopy (LIBS) was developed to detect aluminum in nickel-based superalloys (K417, GH4033, DZ125L, Эп742у) using a non-intensified, non-gated, low-cost detection system. The precision of LIBS depends strongly on the experimental conditions. The calibration curves of Al(Ⅰ)394.4nm and Al(Ⅰ)396.2nm under the optimum experimental parameters are presented. Finally the limit of detection (LOD) for aluminum is calculated from the experimental data, which is in the range of 0.09% to 0.1% by weight.
- Aluminum emission lines,
- LIBS,
- Nickel based superalloys,
- Calibration curve,
- Limit of detection

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