Study on graphite fiber and Ti particle reinforced Al composite |
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| Authors: | G H Wu J Su H S Gou Z Y Xiu L T Jiang |
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| Affiliation: | (1) School of Materials Science and Engineering, Harbin Institute of Technology, P.O. Box 3023, Science Park, No. 2 Yikuang Street, Harbin, Heilongjiang, 150080, People’s Republic of China;(2) Research Academy of Science and Industry Technology, Harbin Institute of Technology, P.O. Box 3023, Science Park, No. 2 Yikuang Street, Harbin, Heilongjiang, 150080, People’s Republic of China |
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| Abstract: | Graphite fiber and Ti particle-reinforced aluminum matrix composite were produced by squeeze casting technology. A small amount
of needle aluminum carbide at graphite fiber and Al interface was observed, and TiAl3 intermetallic compound at Ti particle and Al interface was detected. Tensile strength and bending strength of the composite
have been measured. The fracture surface of the composite after tensile and bending tests was observed; graphite fiber-reinforced
Al was brittle fracture, whereas Ti particle-reinforced Al was ductile fracture. The corresponding fracture mechanism was
discussed. |
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