Abstract
A facile industrial processing route with low production costs was developed to produce in situ TiBw/Ti matrix composites with a network reinforcement distribution. The formation mechanism, microstructure and mechanical properties are characterized. In contrast to traditional homogeneous TiBw/Ti counterparts with uniform reinforcement distribution, the present material exhibited a comparable ultimate strength, a good fracture toughness of 33.7 ± 0.3 MPa·m1/2, and a significantly elevated tensile ductility increasing by 58% at room temperature. Superior elongation to fracture as large as 67% at 700 °C demonstrated the potential for the follow-up thermo-mechanical processing or forming. Therefore our work may provide inspirations of fabricating cost-effective high-performance metallic structural materials through the tailoring of interfacial cohesion and reinforcement distribution.
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