Deep understanding of typical CNT morphology on the microstructure and mechanical properties of 2D carbon/carbon composites
作者机构：State Key Laboratory of Solidification ProcessingShaanxi Key Laboratory of Fiber Reinforced Light Composite MaterialsNorthwestern Polytechnical UniversityXi'an710072China
出 版 物：《Journal of Materiomics》 (无机材料学学报（英文）)
年 卷 期：2024年第10卷第2期
页 面：396-407页
核心收录：
学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学]
基 金：supported by National Natural Science Foundation of China(52293371,52222204,52202047,52172103,52072304) Natural Science Basic Research Plan in Shaanxi(2022JC-25,2022JQ-324) the Key R&D Program of Shaanxi Provence(2019ZDLGY04-02) China Postdoctoral Science Foundation(2021M702659) Young Talent Fund of Association for Science and Technology in Shaanxi,China(20220435) State Key Laboratory of Advanced Technology for Materials Synthesis and Processing(Wuhan University of Technology)(2023-KF-25) Project supported by the Research Fund of the State Key Laboratory of Solidification Processing(NPU),China(2023-BJ-03)
主 题：CNT morphology C/C composite Microstructure Mechanical properties
摘 要：For the inadequate interlaminar strength of 2D carbon/carbon(C/C)composite,in-situ grown carbon nanotubes(CNTs)reinforcing strategy was put forward to strengthen the interlaminar matrix at the nanoscale and inhibit the interlaminar *** morphology is an essential factor in influencing the enhancement ***,the influence of in-situ grown CNT morphology on the microstructure and mechanical properties of C/C composite was deeply *** radially-aligned straight CNTs could induce the formation of highly-ordered pyrolytic carbon(PyC),while PyC in randomly-distributed curved CNTs concentrated area exhibits an isotropic ***,radially-aligned straight CNTs show better improvement on the flexural and shear strength of C/C *** to the fine structural characterization and finite element simulation,the influence mechanism of CNT morphology was *** morphology can influence the stress distribution in the PyC protective layer,and compared with radially-aligned straight CNTs,randomly-distributed curved CNTs induce higher tensile stress in the PyC protective layer,which has a detrimental impact on the flexural and shear properties of C/C *** work provides novel insights into the effect of CNT morphology on the microstructure and mechanical properties of C/C composites,which gives a basis for the structural design and preparation of CNTs reinforced C/C composites.
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