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1 | Homogeneous blend of very fine TiC particles and of a phase such as of particles of NiTi alloy were consolidated to full density by sintering which was followed by rapid heating with formation of liquid phase. Fine particles of phases, were obtained by sintering with formation at relatively low temperatures. The alloys and composites obtained have a very fine micron/submicron scale homogeneous microstructure and high mechanical properties | 920 | ||||
2 | The two-dimensional finite difference method is applied to model the metal cutting process where the contact interaction between the cutter and work piece is defined. Lagrange description of motion is used which includes the generation of new surfaces as the work piece fractures and chip separates. A cutting path is thus developed and simulated by splitting the nodes of the finite element grid. Special attention is given to the loading process of the cutting tool during the cut-in stage. Chip formation at different times are calculated and presented | 915 |