C/SiC and C/C‐SiC Composites

Heidenreich, Bernhard

doi:10.1002/9781118832998.ch6

Cited by 27 publications

(8 citation statements)

References 41 publications

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“…The experimental data on the resin and model that is presented here can thereforebe directly applied in modeling PIP manufacturing of other composites in whichthe matrix is derived from this polycarbosilane resin (for example, Ref. [56]).…”

Section: Discussionmentioning

confidence: 99%

A polymer infiltration and pyrolysis (PIP) process model for ceramic matrix composites (CMCs)

et al. 2021

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This work describes a physics‐based model to simulate the polymer infiltration and pyrolysis (PIP) manufacturing process for ceramic matrix composites (CMCs). Models have been developed to characterize volumetric distribution of constituents and track porosity inside the composite at different PIP stages utilizing test data from TGA and DSC characterization of a commercial preceramic polymer. Laboratory experiments were done using C/SiC CMC specimens manufactured with a variable number of PIP cycles in order to obtain inputs for the models, and the analytical results have been shown to agree with porosity determined from physical measurements.

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Section: Discussionmentioning

confidence: 99%

A polymer infiltration and pyrolysis (PIP) process model for ceramic matrix composites (CMCs)

et al. 2021

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“…These properties allow them to be used in aviation and space technology as high-temperature structural materials, for the elements of gas turbines, diesel engines, heat-exchangers, and in tribo-technology [82][83][84][85][86]. Composite materials of the type C/SiC and SiC/ SiC are distinguished by low specific gravity, wear resistance, the possibility of the formation of these products of complex shape, in reducing conditions of operation, these composites retain high mechanical properties up to a temperature of 2000°C [87]. The most promising material at present is SiC and SiC-based materials, which allow to obtain the specified combination of properties: high specific strength and rigidity; heat resistance; wear resistance; high thermal conductivity and heat-shielding properties; radiation strength [88]; etc.…”

Section: Ceramic and Metal Matrix Compositesmentioning

confidence: 99%

Powder-bed additive manufacturing for aerospace application: Techniques, metallic and metal/ceramic composite materials and trends

et al. 2019

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The current paper is devoted to classification of powder-bed additive manufacturing (PB-AM) techniques and description of specific features, advantages and limitation of different PB-AM techniques in aerospace applications. The common principle of “powder-bed” means that the used feedstock material is a powder, which forms “bed-like” platform of homogeneous layer that is fused according to cross-section of the manufactured object. After that, a new powder layer is distributed with the same thickness and the “printing” process continues. This approach is used in selective laser sintering/melting process, electron beam melting, and binder jetting printing. Additionally, relevant issues related to powder raw materials (metals, ceramics, multi-material composites, etc.) and their impact on the properties of as-manufactured components are discussed. Special attention is paid to discussion on additive manufacturing (AM) of aerospace critical parts made of Titanium alloys, Nickel-based superalloys, metal matrix composites (MMCs), ceramic matrix composites (CMCs) and high entropy alloys. Additional discussion is related to the quality control of the PB-AM materials, and to the prospects of new approaches in material development for PB-AM aiming at aerospace applications.

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“…Compared to chemical vapor infiltration (CVI) and polymer infiltration and pyrolysis (PIP), LSI represents a fast and low‐cost alternative production technique for C/C‐SiC. Depending on the final target product, resin transfer moulding (RTM), autoclave technique, wet filament winding, and warm pressing are used to generate the CFRP whereby carbon fibers in different lengths and configurations (unwoven felt, woven 2D textile and short fibers) can be incorporated into the polymeric matrix 7 . The manufacturing route including warm pressing of CFRPs, pyrolysis and LSI has been proven as the most efficient way for serial production of short fiber reinforced C/C‐SiC composites 8 …”

Section: Introductionmentioning

confidence: 99%

Properties of C/C‐SiC composites produced via transfer moulding and inner siliconization

Ahmad

Stiller

Päßler

et al. 2020

Int J Applied Ceramic Tech

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Short carbon fiber reinforced polymers (CFRP) are successfully prepared by transfer moulding technology. For this purpose, compounds on the basis of novolac/urotropin with different 6 mm chopped carbon fibers and silicon powder contents are produced utilizing a laboratory tempered sigma‐blade kneader. These compounds are then shaped into 46 × 8 × 3 mm3 CFRP specimens using a transfer moulding machine. Depending on the material composition, the conversion to C/C‐SiC composites is performed through liquid silicon infiltration (LSI) process or inner siliconization. First, the short fiber content is varied between 30 and 50 wt% and its influence on the process and properties of the composites is studied. Second, an investigation of the inner siliconization through the co‐mixing of silicon powder (1‐23 wt% in CFRPs) during the compound production as well as a comparison with the external silicon infiltration process are presented and discussed. According to the results, the best mechanical properties are achieved at a fiber content of 40 wt% in the case of the external silicon infiltration and at silicon content below 14 wt% for composites produced by the inner siliconization process.

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C/SiC and C/C‐SiC Composites

Cited by 27 publications

References 41 publications

A polymer infiltration and pyrolysis (PIP) process model for ceramic matrix composites (CMCs)

A polymer infiltration and pyrolysis (PIP) process model for ceramic matrix composites (CMCs)

Powder-bed additive manufacturing for aerospace application: Techniques, metallic and metal/ceramic composite materials and trends

Properties of C/C‐SiC composites produced via transfer moulding and inner siliconization

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