by Seoryeong Choi 1, Eunsung Jekal 2,*
1 Chunsang middle school, Ulsan, Republic of Korea
2 Jekal’s Laboratory, 471, Munsu-ro, Nam-gu, Ulsan, Republic of Korea
* Author to whom correspondence should be addressed.
Journal of Engineering Research and Sciences, Volume 1, Issue 10, Page # 36-44, 2022; DOI: 10.55708/js0110006
Keywords: Fractal, SiC, LAMMPS
Received: 12 July 2022, Accepted: 30 September 2022, Published Online: 10 October 2022
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SiC ceramics are excellent materials applied at high temperatures because of their lightweight, excellent high-temperature strength, and high thermal shock resistance. For better engineering properties, we made SiC with fractal lattices. Stress-strain behavior and modulus changes from room temperature to 1,250 oC were analyzed using LAMMPS S/W, a molecular dynamics program. As a result of this study, it was confirmed that the modulus of elasticity of SiC crystals changed in the range of about 475 GPa to 425 GPa as it increased from room temperature to 1,250 oC. The stress-displacement characteristics of SiC crystals, which could not be measured at a high temperature of 1,000 oC or higher, could be ensured.
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