The effect of Yb addition on the strength and fracture toughness of Al-Zn-Mg-Cu-Zr aluminum alloy was investigated by measuring tensile properties and fracture
The required reinforcement force to prevent instability and the yield acceleration of reinforced slopes are computed under seismic loading by applying the kinem
A nanostructured surface layer was fabricated on a AZ91D magnesium alloy by using a high-energy shot peening(HESP). HESP induced structure along the depth of th
According to the characteristic of cruise missiles,navigation point setting is simplified,and the principle of route planning for saturation attack and a concep
Based on the empirical electron surface model (EESM),the covalent electron density of dangling bonds (CEDDB) was calculated for various crystal planes of gold,a