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Volume 11
Issue 2
10.3390/met11020205
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Article

Effect of Shielding Gas Volume Flow on the Consistency of Microstructure and Tensile Properties of 316L Manufactured by Selective Laser Melting

by
Ruochen Ding
1,2,
Jun Yao
1,*,
Baorui Du
1,
Kailun Li
1,
Tao Li
3,
Lu Zhao
1,2 and
Yumeng Guo
1,2
1
Institute of Engineering Thermophysics, Chinese Academy of Sciences, 11 Beisihuanxi Road, Beijing 100190, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
3
Sichuan Aerospace Zhongtian Power Equipment Co., Ltd., Chengdu 610100, China
*
Author to whom correspondence should be addressed.
Metals 2021, 11(2), 205; https://doi.org/10.3390/met11020205
Submission received: 5 January 2021 / Revised: 16 January 2021 / Accepted: 20 January 2021 / Published: 22 January 2021
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Abstract

In recent years, selective laser melting (SLM) has been widely used in aerospace, automobile, biomedicine and other fields. However, there still remain many challenges to obtain consistent parts at the different positions on the base plate, which could be harmful to the industrial mass-production. In SLM process, the process by-products that flow with the shielding gas may influence the microstructure and tensile properties of the parts placed on different positions of the base plate. In this study, the velocity field of the shielding gas with different shielding gas volume flows was simulated. The tensile properties of the samples fabricated with different shielding gas volume flow were experimentally studied. The results show that the shielding gas volume flow has a strong influence on the sample consistency, and proper increase in shielding gas volume flows can be beneficial to consistency and tensile strength.
Keywords: selective laser melting; shielding gas; tensile properties; microstructure selective laser melting; shielding gas; tensile properties; microstructure

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MDPI and ACS Style

Ding, R.; Yao, J.; Du, B.; Li, K.; Li, T.; Zhao, L.; Guo, Y. Effect of Shielding Gas Volume Flow on the Consistency of Microstructure and Tensile Properties of 316L Manufactured by Selective Laser Melting. Metals 2021, 11, 205. https://doi.org/10.3390/met11020205

AMA Style

Ding R, Yao J, Du B, Li K, Li T, Zhao L, Guo Y. Effect of Shielding Gas Volume Flow on the Consistency of Microstructure and Tensile Properties of 316L Manufactured by Selective Laser Melting. Metals. 2021; 11(2):205. https://doi.org/10.3390/met11020205

Chicago/Turabian Style

Ding, Ruochen, Jun Yao, Baorui Du, Kailun Li, Tao Li, Lu Zhao, and Yumeng Guo. 2021. "Effect of Shielding Gas Volume Flow on the Consistency of Microstructure and Tensile Properties of 316L Manufactured by Selective Laser Melting" Metals 11, no. 2: 205. https://doi.org/10.3390/met11020205

APA Style

Ding, R., Yao, J., Du, B., Li, K., Li, T., Zhao, L., & Guo, Y. (2021). Effect of Shielding Gas Volume Flow on the Consistency of Microstructure and Tensile Properties of 316L Manufactured by Selective Laser Melting. Metals, 11(2), 205. https://doi.org/10.3390/met11020205

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