loading page

Fracture behavior of monolithic and laminated ultra-high temperature ceramic matrix composites considering effects of temperature and particle/crack interaction
  • +6
  • Yu Wan,
  • Ruzhuan Wang,
  • Bi Jia,
  • Shan Zhou,
  • Yumeng Liu,
  • Hongwei Cai,
  • Mingyu Gu,
  • Dingyu Li,
  • Weiguo Li
Yu Wan
Chongqing University of Science and Technology

Corresponding Author:2020202018@cqust.edu.cn

Author Profile
Ruzhuan Wang
Chongqing University of Science and Technology
Author Profile
Bi Jia
Chongqing University of Science and Technology
Author Profile
Shan Zhou
Chongqing University of Science and Technology
Author Profile
Yumeng Liu
Chongqing University of Science and Technology
Author Profile
Hongwei Cai
Chongqing University of Science and Technology
Author Profile
Mingyu Gu
Chongqing University of Science and Technology
Author Profile
Dingyu Li
Chongqing University of Science and Technology
Author Profile
Weiguo Li
Chongqing University College of Aerospace Engineering
Author Profile

Abstract

The fracture behavior of ultra-high temperature ceramic matrix composites at high temperature has received increasing attention. However, few studies consider the effect of particle/crack interaction on the high temperature fracture strength. In this work, based on the energy storage capacity, energy balance method and fracture theory, the effect of particle/crack interaction is introduced into a temperature-dependent fracture strength model of monolithic ultra-high temperature ceramic matrix composites, which also considers effects of flaw size, grain size and residual thermal stress. Furthermore, by considering the influence of the laminated structure, a theoretical characterization model of the temperature-dependent fracture strength of laminated ceramic matrix composites is developed. The effect of particle/crack interaction is also included in this model. It should be noted that the predictions of the models agree well with the experimental data of both monolithic and laminated materials without using any fitting parameters. The effect of particle/crack interaction is found to have a significant weakening effect on the strength of materials at different temperatures. The theoretical models only need some simple basic material parameters to predict the fracture strength and mechanisms of ceramic matrix composites at high temperature, which have important practical significance for engineering applications.
07 Mar 2022Submitted to Fatigue & Fracture of Engineering Materials & Structures
07 Mar 2022Submission Checks Completed
07 Mar 2022Assigned to Editor
12 Mar 2022Reviewer(s) Assigned
23 Aug 2022Review(s) Completed, Editorial Evaluation Pending
23 Aug 2022Editorial Decision: Revise Major
16 Oct 20221st Revision Received
19 Oct 2022Submission Checks Completed
19 Oct 2022Assigned to Editor
20 Oct 2022Reviewer(s) Assigned
08 Nov 2022Review(s) Completed, Editorial Evaluation Pending
13 Nov 2022Editorial Decision: Accept