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Oxide Dispersion Strengthened Refractory Alloys
This book presents a wide perspective of oxide dispersion strengthened refractory alloys fabrication. It provides an appropriate basis for alloy design, process parameter selection, fabrication route, deformation behavior, achievement of application-oriented properties & parameters for development of sustainable materials.
The Mechanisms of Dispersion Strengthening and Fracture in Al-based XD(tm) Alloys, Part 1
The influence of reinforcement size, volume fraction, and matrix deformation behavior on room and elevated temperature strength; the fracture toughness; and the fatigue crack growth rate of metal matrix composites of Al-4(pct)Cu-1.5(pct)Mg with TiB2 were examined. The influence of reinforcement volume fraction was also examined for pure aluminum with TiB2. Higher TiB2 volume fractions increased the tensile yield strength at both room and elevated temperatures, and reduced the elongation to fracture. Tensile tests also indicate that small particles provided a greater increase in strength for a given volume fraction than larger particles, whereas elongation to fracture appeared to be insensiti...
