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http://dx.doi.org/10.3740/MRSK.2022.32.11.489

Influence of Sb Addition on Microstructure, Mechanical Properties and Electric Conductivity of Aluminum  

Hyo-Sang, Yoo (Automotive Materials & Components R&D Group, Korea Institute of Industrial Technology)
Yong-Ho, Kim (Automotive Materials & Components R&D Group, Korea Institute of Industrial Technology)
Byoung-Kwon, Lee (Automotive Materials & Components R&D Group, Korea Institute of Industrial Technology)
Eun-Chan, Ko (Automotive Materials & Components R&D Group, Korea Institute of Industrial Technology)
Seong-Hee, Lee (Department of Advanced Materials Science & Engineering, Mokpo National University)
Sang-Chan, Lee (Department of Mechanical Engineering, Mokpo National University)
Hyeon-Taek, Son (Automotive Materials & Components R&D Group, Korea Institute of Industrial Technology)
Publication Information
Korean Journal of Materials Research / v.32, no.11, 2022 , pp. 489-495 More about this Journal
Abstract
This research investigated how adding Sb (0.75, 1.0, 2.0 and 5.0 wt%) to as-extruded aluminum alloys affected their microstructure, mechanical properties, electric and thermal conductivity. The addition of Sb resulted in the formation of AlSb intermetallic compounds. It was observed that intermetallic compounds in the alloys were distributed homogenously in the Al matrix. As the content of Sb increased, the area fraction of intermetallic compounds increased. It can be clearly seen that the intermetallic compounds were crushed into fine particles and homogenously arrayed during the extrusion process. As the Sb content increased, the average grain size decreased remarkably from 282.6 ㎛ (0.75 wt%) to 109.2 ㎛ (5.0 wt%) due to dynamic recrystallization by the dispersed intermetallic compounds in the aluminum matrix during the hot extrusion. As the Sb content increased from 0.75 to 2.0 wt%, the electrical conductivity decreased from 61.0 to 59.8 % of the International Annealed Copper Standard. Also, as the Sb content increased from 0.75 to 2.0 wt%, the ultimate tensile strength did not significantly change, from 67.3 to 67.8 MPa.
Keywords
Sb addition; electrical conductivity; mechanical properties; microstructure;
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1 H. Jiang, S. Li, Q. Zheng, L. Zhang, J. He, Y. Song, C. Deng and J. Zhao, Mater. Des., 195, 108991 (2020).
2 S. S. Na, Y. H. Kim, H. T. Son and S. H. Lee, Korean J. Mater. Res., 30, 542 (2020).
3 A. E. Medvedev, M. Y. Murashkin, N. A. Enikeev, R. Z. Valiev, P. D. Hodgson and R. Lapovok, J. Alloys Compd., 745, 696 (2018).
4 C. G. Jung, U. Hiroshi, H. T. Son and S. H. Lee, Korean J. Mater. Res., 27, 597 (2017).
5 M. Y. Murashkin, I. Sabirov, A. E. Medvedev, N. A. Enikeev, W. Lefebvre, R. Z. Valiev and X. Sauvage, Mater. Des., 90, 433 (2016).
6 A. E. Medvedev, M. Y. Murashkin, N. A. Enikeev, I. Bikmukhametov, R. Z. Valiev, P. D. Hodgson and R. Lapovok, J. Alloys Compd., 796, 321 (2019).
7 S. S. Nayak, M. Wollgarten, J. Banhart, S. K. Pabi and B. S. Murty, Mater. Sci. Eng., A, 527, 2370 (2010).
8 C. Li, C. Wang, Z. Z. Yang, P. K. Ma, M. W. Ren and H. Y. Wang, J. Alloys Compd., 869, 159304 (2021).
9 P. Zhang, J. Xue, X. Liu, Z. Wang, X. Li and K. Jiang, Electrochim. Acta, 417, 140331 (2022).
10 H. Rostami, M. Emamy, J. R. Ghani, B. Pourbahari, Met. Mater. Int., 27, 2682 (2021).
11 J. D. Robson, D. T. Henry and B. Davis, Acta Mater., 57, 2739 (2009).   DOI
12 S. J. Lee, Y. J. Kim, J. H. Lee and S. H. Park, Korean J. Met. Mater., 57, 482 (2019).
13 J. H. Jeon and D. H. Bae, J. Alloys Compd., 808, 151756 (2019).
14 L. Zhong, J. Peng, S. Sun, Y. Wang, Y. Lu and F. Pan, Mater. Sci. Technol., 33, 1240 (2017).
15 T. Ying, H. Chi, M. Zheng, Z. Li and C. Uher, Acta Mater., 80, 288 (2014).
16 M. Okayasu, S. Takeuchi, S. Wu and T. Ochi, J. Mech. Sci. Technol., 30, 1139 (2016).
17 W. J. An, D. H. Kim, B. H. Kim, S. K. Kim, S. S. Kim and H. K. Sung, Korean J. Met. Mater., 57, 214 (2019).