Fracture Behavior and Mechanism of Nb-Si-Based Alloys with Heterogeneous Layered Structure
Sheng Wang,
Xiaoli Wang,
Zhiming Wang
et al.
Abstract:Novel Nb-Si-based alloys with heterogeneous layers that have the same composition (Nb-16 at.%Si) but different phase morphologies were designed in this work. Heterogeneous layered structure (HLS) was successfully fabricated in Nb-16Si alloys by layering composite powders after various degrees of mechanical alloying (6 h, 12 h, 18 h, and 24 h) alternately and subsequent spark plasma sintering (SPS). The influence of HLS on the fracture behavior at both room and elevated temperature was investigated via single-e… Show more
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