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Author:

Guan, Tianhao (Guan, Tianhao.) | Li, Yihang (Li, Yihang.) | Zhang, Chao (Zhang, Chao.) | Wang, Zhen (Wang, Zhen.) | Hu, Wei (Hu, Wei.) | Suo, Tao (Suo, Tao.)

Indexed by:

EI Scopus SCIE

Abstract:

In this study, the in-plane compressive behavior of two-dimensional plain-woven carbon fiber-reinforced silicon carbide composite (2D-C/SiC) was investigated using on- and off-axis compression experiments under both quasistatic and dynamic loading conditions. The failure mechanisms were elucidated through in-situ observations and microanalysis-based methods. As the loading angle increased from 0 to 45 degrees, stress-strain curves exhibited stronger nonlinearity, and the in-plane compressive strength decreased by 50.2% and 41.1% under quasi-static and dynamic loading conditions, respectively. The failure mechanism shifted from fiber-dominant to interfaceand matrix-dominant as the loading angle increased, which was responsible for the strength degradation and intensified nonlinearity in curves. A positive strain rate effect on the in-plane compressive strength attributed to the interface enhancement and multiple crack propagation was identified. Additionally, owing to the competition between the dynamic strengthening and damage aggravation effects, the strain-rate sensitivity factors increased with the loading angle up to 30 degrees and then decreased at 45 degrees.

Keyword:

Off -axis loading Damage mechanism 2D-C/SiC Strain rate sensitivity Compressive strength

Author Community:

  • [ 1 ] [Guan, Tianhao]Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Shaanxi, Peoples R China
  • [ 2 ] [Li, Yihang]Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Shaanxi, Peoples R China
  • [ 3 ] [Hu, Wei]Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Shaanxi, Peoples R China
  • [ 4 ] [Suo, Tao]Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Shaanxi, Peoples R China
  • [ 5 ] [Zhang, Chao]Northwestern Polytech Univ, Sch Mat & Engn, NPU SAS Joint Res Ctr, Xian 710072, Shaanxi, Peoples R China
  • [ 6 ] [Zhang, Chao]Northwestern Polytech Univ, Inst Extreme Mech, Xian 710072, Shaanxi, Peoples R China
  • [ 7 ] [Suo, Tao]Northwestern Polytech Univ, Inst Extreme Mech, Xian 710072, Shaanxi, Peoples R China
  • [ 8 ] [Wang, Zhen]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 9 ] [Suo, Tao]Northwestern Polytech Univ, Joint Int Res Ctr Impact Dynam & Its Engn Applicat, Xian 710072, Shaanxi, Peoples R China
  • [ 10 ] [Suo, Tao]Northwestern Polytech Univ, Shaanxi Key Lab Impact Dynam & Engn Applicat, Xian 710072, Shaanxi, Peoples R China
  • [ 11 ] [Suo, Tao]Natl Key Lab Strength & Struct Integr, Xian 710065, Shaanxi, Peoples R China

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Source :

COMPOSITE STRUCTURES

ISSN: 0263-8223

Year: 2023

Volume: 324

6 . 3 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:26

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 5

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

Affiliated Colleges:

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