High-temperature thermal stability of Hi-Nicalon™ SiC fiber/SiC matrix composites under long term cyclic heating

Takeda, Michio; Imai, Yoshikazu; Kagawa, Yutaka; Guo, Shuqi

doi:10.1016/s0921-5093(00)00820-0

Cited by 12 publications

(4 citation statements)

References 22 publications

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“…This is the reason that the CMCs are being aggressively researched and developed for use in future gas turbine engines. [1][2][3][4][5][6][7] The potential of the CMCs in revolutionizing the performance of the gas turbine engines is shown schematically in Figure 1. 8 In this figure, the x-axis represents the approximate period of dominance in usage of the particular class of high-temperature materials (and associated cooling technologies), while the y-axis denotes the temperature capability of the material class in question.…”

Section: The Basics Of Ceramic-matrix Compositesmentioning

confidence: 99%

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Multi-length-scale derivation of the room-temperature material constitutive model for SiC/SiC ceramic-matrix composites

Grujičić

Snipes

Galgalikar

et al. 2015

Proceedings of the Institution of Mechanical Engineers, Part L:

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In the present work, multi-length-scale physical and numerical analyses are used to derive a SiC/SiC ceramic matrix composite (CMC) material model suitable for use in a general room-temperature, finite element-based, structural/ damage analysis of gas turbine engine components. Due to its multi-length-scale character, the material model incorporates the effects of fiber/tow (e.g. the volume fraction of the filaments, thickness of the filament coatings, decohesion properties of the coating/matrix interfaces, quality, as quantified by the Weibull distribution parameters, of the filament, coating, and matrix materials, etc.) and ply/lamina (e.g. the 0 /90 cross-ply vs. plain-weave architectures, the extent of tow crimping in the case of the plain-weave plies, cohesive properties of the inter-ply boundaries, etc.) length-scale microstructural/architectural parameters on the mechanical response of the CMCs. To identify and quantify the contribution of the aforementioned parameters on the material response, detailed numerical procedures involving the representative volume elements and the virtual mechanical tests are developed and utilized. The resulting homogenized turbine-engine component-level material model is next integrated into a user-material subroutine and used, in conjunction with a commercial finite element program, to analyze the foreign object damage experienced by a toboggan-shaped turbine shroud segment. The results obtained clearly revealed the role different fiber/tow and ply/lamina microstructural parameters play in the structural/damage response of the gas-turbine CMC components.

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Section: The Basics Of Ceramic-matrix Compositesmentioning

confidence: 99%

“…It should be noted that equation (5) represents a set of six equations with only one additional unknown, _ l irr .…”

Section: Inelastic Responsementioning

confidence: 99%

Multi-length-scale derivation of the room-temperature material constitutive model for SiC/SiC ceramic-matrix composites

Grujičić

Snipes

Galgalikar

et al. 2015

Proceedings of the Institution of Mechanical Engineers, Part L:

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show abstract

“…SiC has been one of the most promising fine ceramics owing to its excellent mechanical strength at elevated temperature, high oxidation and corrosion resistance, high thermal conductivity, low thermal expansion, and high thermal shock resistance . Recently, CVD SiC interphases have been widely used in continuous fiber‐reinforced CMCs, for example, C f /SiC, SiC f /SiC, C f /ZrC, Mu f /Mu to weaken the interfacial bonding between the continuous fiber and the matrix.…”

Section: Introductionmentioning

confidence: 99%

Mechanical and Dielectric Properties of Mullite Fiber‐Reinforced Mullite Matrix Composites with Single Layer CVD SiC Interphases

Wang

Cheng

Wang

2014

Int J Applied Ceramic Tech

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Mullite fiber‐reinforced mullite matrix (Muf/Mu) composites were fabricated via the solgel process. Prior to the solgel process, SiC coatings were deposited on the fibers by the chemical vapor deposition (CVD) process. Effects of the SiC coatings on the mechanical and dielectric properties of the composites were investigated. The results show that the composites with SiC interphases exhibit evident toughened fracture behavior, and their flexural strength is about 2.37 times that of the as‐received composites. Besides, the complex permittivity of the composites with SiC interphases at X‐band is also increased remarkably due to the existence of carbon in the SiC interphases.

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“…In the aerospace field, the Lightweight high-performance composite materials were extensively used for shuttle, rocket and satellite etc. In order to improve the performance and adaptability of air vehicle [1,2].…”

Section: Introductionmentioning

confidence: 99%

A Study Designed to Improve High-Temperature Thermal Stability of SiC Fiber

Cheng

2014

AMR

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In a high-temperature environment, the pyrolytic reaction of the SiC fiber destroyed the chain structure of the fiber and cause fiber apparent weightlessness, the surface and internal of fiber produce porous structure defects. In order to improve high-temperature thermal stability of SiC fiber that the reunion composite powder (CP) of perlite and nanozirconia was prepared by atomized granulation technology, and the CP is sprayed the surface of SiC fiber by plasma spraying technology. The SiC fiber was completely ablation at 1200°C for 3h. On the contrary, the spraying CP of fiber is not affected, showing favorable high-temperature stability. The surface appearance of the fiber was analyzed by means of SEM, and the flame temperature Spray Watch.

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High-temperature thermal stability of Hi-Nicalon™ SiC fiber/SiC matrix composites under long term cyclic heating

Cited by 12 publications

References 22 publications

Multi-length-scale derivation of the room-temperature material constitutive model for SiC/SiC ceramic-matrix composites

Multi-length-scale derivation of the room-temperature material constitutive model for SiC/SiC ceramic-matrix composites

Mechanical and Dielectric Properties of Mullite Fiber‐Reinforced Mullite Matrix Composites with Single Layer CVD SiC Interphases

A Study Designed to Improve High-Temperature Thermal Stability of SiC Fiber

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