Multi-Scale Modeling and Experimental Study of the Strength of Plain-Woven SiC/SiC Composites
Sign Up to like & getrecommendations! Published in 2019 at "Applied Composite Materials"
DOI: 10.1007/s10443-019-09783-5
Abstract: The strength of plain-woven SiC/SiC composites was predicted with the multi-scale method. Firstly, a three-dimensional unit cell was used to characterize the geometric structure of plain-woven SiC/SiC composites. Secondly, the yarns were seen as minicomposites,… read more here.
Keywords: sic sic; plain woven; sic composites; strength plain ... See more keywords
High-Temperature Nanoindentation of SiC/SiC Composites
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DOI: 10.1007/s11837-019-03860-7
Abstract: The results of high-temperature nanoindentation testing on both a control and a neutron-irradiated silicon carbide matrix silicon carbide fiber composite sample are presented. The mechanical properties of the chemical vapor-infiltrated matrix were observed to have… read more here.
Keywords: temperature; high temperature; temperature nanoindentation; sic sic ... See more keywords
Crack healing in the SiC–SiC ceramic matrix composites fabricated with different process
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the Korean Ceramic Society"
DOI: 10.1007/s43207-020-00074-5
Abstract: In this study, crack healing in a SiC–SiC ceramic matrix composite (CMC) was investigated. As a gas turbine often operates at a high temperature above 1350 °C and is frequently cooled to room temperature, small… read more here.
Keywords: temperature; sic sic; crack healing; sic cmc ... See more keywords
Mode I and Mode II interfacial fracture energy of SiC/BN/SiC CMCs
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DOI: 10.1016/j.actamat.2021.117125
Abstract: Abstract Quantifying the mixed mode fracture toughness of interfaces in ceramic matrix composites (CMCs) is crucial for understanding their failure. In this work we use in situ micromechanical testing in the scanning electron microscope to… read more here.
Keywords: cmcs; mode; energy; fracture ... See more keywords
Investigations on the oxidation phenomenon of SiC/SiC fabricated by high repetition frequency femtosecond laser
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.144131
Abstract: Abstract SiC/SiC was processed by high repetition frequency femtosecond laser with a wavelength of 1030 nm. The experimental results were analyzed based on the finite element simulation. In the femtosecond laser ablation experiment of SiC/SiC, the… read more here.
Keywords: femtosecond laser; sic sic; laser; repetition frequency ... See more keywords
Damage development and lifetime prediction of fiber-reinforced ceramic-matrix composites subjected to cyclic loading at 1300 °C in vacuum, inert and oxidative atmospheres
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.01.060
Abstract: Abstract In this paper, the fatigue damage development and lifetime of C/SiC and SiC/SiC ceramic-matrix composites (CMCs) under cyclic loading at an elevated temperature of 1300 °C in vacuum, in inert, in air and in steam… read more here.
Keywords: damage; vacuum; sic sic; lifetime ... See more keywords
Fatigue hysteresis behavior in fiber-reinforced ceramic-matrix composites at room and elevated temperatures
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2016.11.071
Abstract: Abstract The fatigue hysteresis behavior of different fiber-reinforced ceramic-matrix composites (CMCs), i.e., C/SiC, SiC/SiC, SiC/Si‒N‒C, SiC/Si‒B4C and Nextel 610™/Aluminosilicate, at room and elevated temperatures has been investigated. Based on the developed hysteresis loops models, the… read more here.
Keywords: dissipated energy; cycle number; fatigue hysteresis; hysteresis ... See more keywords
Appropriate thickness of pyrolytic carbon coating on SiC fiber reinforcement to secure reasonable quasi-ductility on NITE SiC/SiC composites
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DOI: 10.1016/j.ceramint.2018.07.158
Abstract: Abstract Pyrolytic carbon (PyC) coating of silicon carbide (SiC) fibers is an important technology that creates quasi-ductility to SiC/SiC composites. Nano-infiltration and transient eutectic-phase (NITE) process is appealing for the fabrication of SiC/SiC composites for… read more here.
Keywords: sic sic; sic composites; quasi ductility; pyc coating ... See more keywords
Flexural modulus of SiC/SiC composites sintered by microwave and conventional heating
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.02.062
Abstract: Abstract To deeply study the variation mechanisms of mechanical properties, flexural modulus of SiC fibers reinforced SiC matrix (SiC/SiC) composites prepared by conventional and microwave heating at 800 °C–1100 °C was discussed in detail. The elastic modulus… read more here.
Keywords: modulus sic; flexural modulus; sic sic; sic composites ... See more keywords
Deformation and rupture behaviors of SiC/SiC under creep, fatigue and dwell-fatigue load at 1300 °C
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.07.134
Abstract: Abstract High temperature creep and fatigue properties are important characteristics of SiC/SiC composites. In this work, dwell-fatigue tests were conducted at 1300 °C for 3D-braided SiC/SiC with and without coatings, and experimental results of dwell-fatigue tests… read more here.
Keywords: fatigue; dwell fatigue; creep fatigue; sic sic ... See more keywords
Preparation and microstructure characterization of SiC/SiC joints reinforced by in-situ SiC nanowires
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.02.018
Abstract: Abstract A novel two-step joining technology (pyrolysis and C–Si reaction bonding) to prepare in-situ SiC nanowires reinforced SiC/SiC joints were developed. The multi-component slurry consisting of polycarbosilane (PCS, preceramic polymer) and ferrocene (catalyst) were designed… read more here.
Keywords: joining layer; sic nanowires; sic joints; pyrolysis ... See more keywords