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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.12
- 수록면
- 379 - 387 (9page)
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초록· 키워드
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This study investigates the effect of explosive bonding on the deformation, microstructure, and room-temperature tensile properties of a Ta-10W alloy. 360 g of emulsion explosive was used with a stand-off distance of 5 mm between the plate and explosive, and the process was conducted. After detonation, the thickness of the Ta-10W alloy was reduced to 2.44 ㎜, a 4.3 % decrease from the as-rolled plate. The initial microstructure analysis revealed a uniform distribution of Ta and W, the TD plane showing a high substructure fraction after explosive bonding. Tensile stress-strain curve at room temperature of the as-rolled Ta-10W sample showed strain hardening, with a yield strength (YS) of 626.3 ± 15.0 ㎫, ultimate tensile strength (UTS) of 709.7 ± 7.1 ㎫, and elongation of 32.4 ± 0.5%. After explosive deformation, the YS increased to 765.0 ± 6.6 ㎫, UTS to 840.7 ± 13.1 ㎫, while elongation decreased to 17.4 ± 2.4%. Analysis of the tensile-deformed microstructure revealed increased misorientation in all regions of the as-rolled sample. In contrast, the explosive bonded sample exhibited higher misorientation along the grain boundary. Based on these findings, the tensile deformation mechanism of explosive bonded Ta-10W alloy was discussed.
목차
Abstract
1. 서론
2. 실험 방법
3. 결과 및 고찰
4. 결론
REFERENCES
참고문헌 (36)
참고문헌 신청
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G.S. Chen, S.C. Huang, S.T. Chen, T.J. Yang, P.Y. Lee, J.H. Jou, T.C. Lin, 2000, An optimal quasisuperlattice design to further improve thermal stability of tantalum nitride diffusion barriers, Appl. Phys. Lett., Vol. 76, pp. 2895-2897. https://doi.org/10.1063/1.126509
S. Pappu, C. Kennedy, L.E. Murr, M.A. Meyers, 1996, Deformation twins in a shock-loaded Ta-2.5w/o W precursor plate and a recovered, Ta-2.5w/o W explosively formed penetrator, Scr. Mater., Vol. 35, pp. 959-965. https://doi.org/10.1016/1359-6462(96)00248-5
H. Matsuno, A. Yokoyama, F. Watari, M. Uo, T. Kawasaki, 2001, Biocompatibility and osteogenesis of refractory metal implants, titanium, hafnium, niobium, tantalum and rhenium, Biomaterials, Vol. 22, pp. 1253-1262. https://doi.org/10.1016/S0142-9612(00)00275-1
C.A. Michaluk, 2002, Correlating discrete orientation and grain size to the sputter deposition properties of tantalum, J. Electron. Mater., Vol. 31, pp. 2-9. https://doi.org/10.1007/s11664-002-0165-9
G.S. Chen, S.C. Huang, S.T. Chen, T.J. Yang, P.Y. Lee, J.H. Jou, T.C. Lin, 2000, An optimal quasisuperlattice design to further improve thermal stability of tantalum nitride diffusion barriers, Appl. Phys. Lett., Vol. 76, pp. 2895-2897. https://doi.org/10.1063/1.126509
S. Pappu, C. Kennedy, L.E. Murr, M.A. Meyers, 1996, Deformation twins in a shock-loaded Ta-2.5w/o W precursor plate and a recovered, Ta-2.5w/o W explosively formed penetrator, Scr. Mater., Vol. 35, pp. 959-965. https://doi.org/10.1016/1359-6462(96)00248-5
H. Matsuno, A. Yokoyama, F. Watari, M. Uo, T. Kawasaki, 2001, Biocompatibility and osteogenesis of refractory metal implants, titanium, hafnium, niobium, tantalum and rhenium, Biomaterials, Vol. 22, pp. 1253-1262. https://doi.org/10.1016/S0142-9612(00)00275-1
C.A. Michaluk, 2002, Correlating discrete orientation and grain size to the sputter deposition properties of tantalum, J. Electron. Mater., Vol. 31, pp. 2-9. https://doi.org/10.1007/s11664-002-0165-9
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