Effect on Brittle of Titanium Aluminum Compound by Doping Cr, Mo, W Additions
WEI Qiang1，WANG Shuo2
（1. Dandong City Center for Disease Control and Prevention，Dandong 118002,Liaoning，China 2.Sinopec PSTC East China Pipeline Design & Research Institute, Xuzhou 221008,Jiangsu，China）
Abstract：The structural properties, formation enthalpies and the mechanical properties of doped Ti3Al alloys are studied by using embedded-atom method. The result showed that calculated both formation enthalpies and volumes of Ti75-xAl25-yMx+y (M=Cr, Mo and W) decrease with increasing the additional concentrations. The effects of mechanical properties are different by doping different elements, and the results consist with the experiments.
2014, Vol. 21 
