Abstract
Materials were SPZ matrix and multiple layers of boron fibers, and they were fabricated by powder metallurgical technique. The composite with maximum fiber layers (=7) had the volume fraction of fiber of 23% and the strength of 700MPa at 250°C. The number and intervals of fiber layers were varied respectively, in order to investigate those effects on the bending properties. The increase of the number and intervals causes the increase of punch load. The effect on the minimum bending radius show complex features. For small fiber interval composites, fibers embedded into matrix metal fracture, while, for large number of fiber layers, the interval between fibers and surface is so small that fibers protrude from surface and fracture. Consequently, it has been made clear that the number and intervals of fiber layers should be optimized. The bending of composite with maximum volume fraction fibers of 20% (fiber layer intervals: 0.1mm, fiber layer number: 5) is successful.
