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Mechanical properties and abrasive wear behaviors of in situ nano-TiCx/Al-Zn-Mg-Cu composites fabricated by combustion synthesis and hot press consolidation
The in situ nano-TiCx/Al-Zn-Mg-Cu composites with different TiCx content (20, 25 and 30 vol.%) were successfully fabricated by combustion synthesis and hot press consolidation in Al-Ti-C/CNTs systems. The compressive properties and abrasive wear resistance of the composites improved with the increase in the TiCx content. The transformation of carbon source from pure C black to the mixture of C black and CNTs to pure CNTs in Al-Ti-C/CNTs systems leaded to a significant improvement in the compressive properties and wear resistance of the composites as well as a significant decrease in the average size of TiCx particles. The average size of the nano-TiCx particles in 30 vol.% TiCx/Al-Zn-Mg-Cu composite synthesized by the carbon source of CNTs reached 81 nm, moreover, the yield strength (σ0.2), the ultimate compression strength (σUCS) and the fracture strain (εf) of the composite reached 597 MPa, 882 MPa and 21.7%, respectively.
Mechanical properties and abrasive wear behaviors of in situ nano-TiCx/Al-Zn-Mg-Cu composites fabricated by combustion synthesis and hot press consolidation
The in situ nano-TiCx/Al-Zn-Mg-Cu composites with different TiCx content (20, 25 and 30 vol.%) were successfully fabricated by combustion synthesis and hot press consolidation in Al-Ti-C/CNTs systems. The compressive properties and abrasive wear resistance of the composites improved with the increase in the TiCx content. The transformation of carbon source from pure C black to the mixture of C black and CNTs to pure CNTs in Al-Ti-C/CNTs systems leaded to a significant improvement in the compressive properties and wear resistance of the composites as well as a significant decrease in the average size of TiCx particles. The average size of the nano-TiCx particles in 30 vol.% TiCx/Al-Zn-Mg-Cu composite synthesized by the carbon source of CNTs reached 81 nm, moreover, the yield strength (σ0.2), the ultimate compression strength (σUCS) and the fracture strain (εf) of the composite reached 597 MPa, 882 MPa and 21.7%, respectively.
Mechanical properties and abrasive wear behaviors of in situ nano-TiCx/Al-Zn-Mg-Cu composites fabricated by combustion synthesis and hot press consolidation
Archiv.Civ.Mech.Eng
Gao, Yu-Yang (author) / Qiu, Feng (author) / Shu, Shu-Li (author) / Wang, Lei (author) / Chang, Fang (author) / Hu, Wei (author) / Han, Xue (author) / Li, Qiang (author) / Jiang, Qi-Chuan (author)
Archives of Civil and Mechanical Engineering ; 18 ; 179-187
2018-03-01
9 pages
Article (Journal)
Electronic Resource
English
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