The microstructure and performances of GH4169 nickel (Ni)-based alloy were studied after adding the elements rhenium (Re) and tungsten (W) and then conducting heat treatment. The alloy containing the element rhenium showed less δ phase after heat treatment. For both alloys containing the element tungsten and the GH4169 alloy without any element, the δ phase and rectangular carbide were all precipitated after the heat treatment. The creep rupture life of the alloy added with the element rhenium was higher than that of the alloy added with the element tungsten at a high temperature. When a mixture of 75% sodium sulfate (Na2SO4) and 25% sodium chloride (NaCl) was applied at 950°C under the same conditions, the thermal corrosion resistance of the nickel-based alloy containing rhenium was obviously better than that of the nickel-based alloy containing tungsten. The hot-corrosion resistance of the GH4169 alloy without adding any element was slightly better than that of the alloy with tungsten.
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1 October 2020
Research Article|
July 13 2020
Influence of rhenium and tungsten on the microstructure and performance of GH4169 alloy through heat treatment
Zhiyun Wang, MSc;
Zhiyun Wang, MSc
Lecturer
School of Materials Science and Engineering, North University of China, Taiyuan, China
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Bin Liu, PhD;
Bin Liu, PhD
Professor
School of Materials Science and Engineering, North University of China, Taiyuan, China
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Peikang Bai, PhD;
Peikang Bai, PhD
Professor
School of Materials Science and Engineering, North University of China, Taiyuan, China
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Zhanyong Zhao, PhD;
Zhanyong Zhao, PhD
Assistant Professor
School of Materials Science and Engineering, North University of China, Taiyuan, China
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Haili Wang, MSc;
Haili Wang, MSc
Postgraduate
School of Materials Science and Engineering, North University of China, Taiyuan, China
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Xiaojing Wang, PhD;
Xiaojing Wang, PhD
Assistant Professor
School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, China; Integrated Composites Laboratory, Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, TN, USA
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Tao Ding, PhD;
Tao Ding, PhD
Associate Professor
College of Chemistry and Chemical Engineering, Henan University, Kaifeng, China
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Mengyao Dong, PhD;
Mengyao Dong, PhD
Assistant Professor
Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, China; Integrated Composites Laboratory, Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, TN, USA
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Jincheng Fan, PhD;
Jincheng Fan, PhD
Professor
College of Materials Science and Engineering, Changsha University of Science and Technology, Changsha, China
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Ilwoo Seok, PhD;
Ilwoo Seok, PhD
Associate Professor
Department of Mechanical Engineering, Arkansas State University, Jonesboro, AR, USA
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Zhanhu Guo, PhD
Integrated Composites Laboratory, Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, TN, USA
(corresponding author: zguo10@utk.edu, nanomaterials2000@gmail.com)
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(corresponding author: zguo10@utk.edu, nanomaterials2000@gmail.com)
Publisher: Emerald Publishing
Received:
October 03 2019
Accepted:
June 15 2020
Online ISSN: 2046-0155
Print ISSN: 2046-0147
ICE Publishing: All rights reserved
2020
Emerging Materials Research (2020) 9 (3): 705–715.
Article history
Received:
October 03 2019
Accepted:
June 15 2020
Citation
Wang Z, Liu B, Bai P, Zhao Z, Wang H, Wang X, Ding T, Dong M, Fan J, Seok I, Guo Z (2020), "Influence of rhenium and tungsten on the microstructure and performance of GH4169 alloy through heat treatment". Emerging Materials Research, Vol. 9 No. 3 pp. 705–715, doi: https://doi.org/10.1680/jemmr.19.00147
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