“…DFT techniques have also been used before to solve phase field Equation such as ((1),(4)- (6)). Particularly noteworthy is the work of the school headed by Khachaturyan (see, e.g., [20][21][22]) and the Japanese group of Miyazaki and co-workers (see, e.g., [23][24][25]). Their studies cover many alloy systems of technical importance, however, they do not address solders.…”