Acta Metallurgica Sinica (English Letters) ›› 2017, Vol. 30 ›› Issue (10): 973-982.DOI: 10.1007/s40195-017-0629-9
Special Issue: 2017纳米材料专辑
• Orginal Article • Previous Articles Next Articles
Hamed Asgharzadeh1(), Hamid Faraghi1, Hyoung Seop Kim2
Received:
2017-07-14
Revised:
2017-07-14
Online:
2017-10-10
Published:
2017-10-11
Hamed Asgharzadeh, Hamid Faraghi, Hyoung Seop Kim. Fabrication of Fullerene-Reinforced Aluminum Matrix Nanocomposites[J]. Acta Metallurgica Sinica (English Letters), 2017, 30(10): 973-982.
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Material type | Consolidation method | Density (g cm-3) | Relative density | Hardness (HV) | Offset yield stress (MPa) | Ultimate tensile strength (MPa) | Strain to fracture (%) |
---|---|---|---|---|---|---|---|
Al | HPT | 2.659 ± 0.004 | 0.985 | 92 ± 1 | 305 | 321 | 25.9 |
Al | Hot extrusion | 2.661 ± 0.002 | 0.986 | 30 ± 3 | 63 | 124 | 36 |
Al-2 vol.% fullerene | HPT | 2.647 ± 0.002 | 0.984 | 139 ± 2 | 409 | 409 | 0.6 |
Al-2 vol.% fullerene | Hot extrusion | 2.655 ± 0.003 | 0.983 | 78 ± 9 | 110 | 258 | 14.1 |
Table 1 Density, hardness, and tensile properties of Al and Al-2 vol.% fullerene fabricated by high-pressure torsion and hot extrusion
Material type | Consolidation method | Density (g cm-3) | Relative density | Hardness (HV) | Offset yield stress (MPa) | Ultimate tensile strength (MPa) | Strain to fracture (%) |
---|---|---|---|---|---|---|---|
Al | HPT | 2.659 ± 0.004 | 0.985 | 92 ± 1 | 305 | 321 | 25.9 |
Al | Hot extrusion | 2.661 ± 0.002 | 0.986 | 30 ± 3 | 63 | 124 | 36 |
Al-2 vol.% fullerene | HPT | 2.647 ± 0.002 | 0.984 | 139 ± 2 | 409 | 409 | 0.6 |
Al-2 vol.% fullerene | Hot extrusion | 2.655 ± 0.003 | 0.983 | 78 ± 9 | 110 | 258 | 14.1 |
Fig. 5 OM micrographs of hot-extruded and HPT-processed specimens: a Al, hot extrusion; b Al/C60, hot extrusion; c Al, HPT-center; d Al/C60, HPT-center; e Al, HPT-middle; f Al/C60, HPT-middle; g Al, HPT-edge; h Al/C60, HPT-edge
Fig. 9 Tensile fracture surfaces of Al and Al/C60 samples at two different magnifications: a, b Al, hot extrusion; c, d Al, HPT; e, f Al/C60, hot extrusion; g, h Al/C60, HPT
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