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Size-dependent deformation and interface-governed failure in TiC-Ni-Mo cermets revealed by in situ microcompression
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DOI:10.1016/j.carbon.2026.121666.png)
Abstract
En 中文
• Size effect with a 2 μm marks transition from brittle fracture to yielding. • TiC/Ni interfaces sustain high local stresses without immediate decohesion rather than TiC/TiC grain boundaries. • Ni binder accommodates plastic strain via dense dislocation activity that buffering stress at ceramic-metal interfaces. • Decreasing pillar size reduces brittle TiC/TiC boundaries that elevates material strength and ductility.
Keywords:
Size effect
Interface failure
Plastic deformation
TiC-Ni cermets
Dislocation activity
Journal
IF:
11.6
Papers:
2.0W
Citations:
10.5W

