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Size-dependent deformation and interface-governed failure in TiC-Ni-Mo cermets revealed by in situ microcompression

delete2026-05-08
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PRE
AI
J
Junquan Huang
Y
Yujun Chen
T
Tianye Jin *
X
Xiang Zhang
S
Song Zhao
Z
Zihao Lin
S
Sun We
K
Ke Tong
S
Shaocun Liu *
A
Anmin Nie *
Y
Yongjun Tian
DOI:10.1016/j.carbon.2026.121666delete
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Abstract

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

Carbon cover
Carbon
IF:
11.6
Papers:
2.0W
Citations:
10.5W

Organization

Longyan University cover
Longyan University
Scholars:
956
Papers: 661
Citations: 831
Y
yanshan university
Scholars:
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Papers: 1.1K
Citations: 0
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