| Title |
Mechanical Properties and Fabrication of Nanostructured (Ti,Mo)Si2 by Pulsed Current Activated Combustion |
| Authors |
고인용(In Yong Ko); 박나라(Na Ra Park); 오세훈(Se Hoon Oh); 손인진(In Jin Shon) |
| DOI |
https://doi.org/10.3365/KJMM.2011.49.8.608 |
| ISSN |
1738-8228(ISSN), 2288-8241(eISSN) |
| Keywords |
compound; nanostructure; sintering; mechanical properties |
| Abstract |
Nanopowders of Mo, Ti and Si were made by high-energy ball milling. A dense nanostructured (Ti,Mo)Si2 compound was sintered by the pulsed current activated combustion method within two minutes from mechanically activated powder of Mo, Ti and Si. A highly dense (Mo,Ti)Si2 compound was produced under simultaneous application of 80 MPa pressure and a pulsed current. The mechanical properties and micorostructure were investigated. The hardness and fracture toughness of the (Mo,Ti)Si2 were 1030 kg/mm2 and 4.9 MPa·m1/2, respectively. The mechanical properties were higher than monolithic TiSi2. |