A theoretical analysis was presented to produce gradient composite by centrifugal casting.particle movement in liquid metal is described and gradient distributi
The vuriations of microstructure and tensile behavior of an Al—Li一Cu—Mg—Zr alloy during aging are studied in this paper.It has been found that the fine δ’
A set of fracture device was designed on the basis of traditional scratching-electrode tech-nology and used to study the passivation process of two magnetron-sp