&lt;title&gt;Design, manufacturing, and performance of C/SiC mirrors and structures&lt;/title&gt;

Deyerler, Michael; Bauereisen, Stefan; Papenburg, Ulrich

doi:10.1117/12.284077

Cited by 5 publications

(3 citation statements)

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“…Carbon fiber reinforced silicon carbide(C f /SiC) composites are characterized by lightweight, high mechanical strength, high thermal conductivity, low thermal expansion and high thermal shock resistance [1,2,3]. These characteristics make itself an ideal material used in Space Opto-mechanical Structures [4,5]. The manufacture method of C f /SiC composites contains Precursor Infiltration and Pyrolysis(PIP), Chemical Vapor Infiltration(CVI), Liquid Silicon Infiltration(LSI) and Slurry Impregnation and Hot Pressing(SIHP).…”

Section: Introductionmentioning

confidence: 99%

Effect of Braided Structure on Mechanical Properties of C<sub>f</sub>/SiC Composites

Zhang

Cao

Liu

et al. 2012

AMR

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Using polycarbosilane(PCS) as precursor materials, 2.5D、3D3d、3D4d、3D5d braided structure Cf/SiC composites were prepared by Precursor Infiltration and Pyrolysis (PIP). The result showed that different braided structure Cf/SiC composites had dissimilar change tendency of density and porosity. The braided structure and pore position influenced mechanical properties of Cf/SiC composites obviously. 2.5D Cf/SiC composites had the lowest mechanical properties compared others braided structure via PIP process, 3D5d Cf/SiC composites had the highest mechanical properties for the bending strength reached 334MPa, modulus 99.5GPa. Furthermore, the microstructure and properties of different braided structure Cf/SiC composites has been investigated by means of SEM.

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Section: Introductionmentioning

confidence: 99%

Effect of Braided Structure on Mechanical Properties of C<sub>f</sub>/SiC Composites

Zhang

Cao

Liu

et al. 2012

AMR

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“…These merits make it very attractive for making aerospace mirror. In recent years, much attention has been concentrated on preparation of CVD SiC coating as optical surface of lightweight silicon carbide mirrors [1][2][3][4].In the process of CVD SiC, deposition temperature is one of the most important parameters. It can affect surface morphology and microstructure of coating, grain size and crystal pattern of SiC and deposition rate of coating [5].…”

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confidence: 99%

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confidence: 99%

Effects of Deposition Temperature on the Growth Characteristics of CVD SiC Coatings

Huo

Chen

2008

KEM

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The effects of deposition temperature on the growth characteristics of CVD SiC coatings were investigated. CVD SiC coatings were made by pyrolysis of methyltrichlorosilane (MTS) in hydrogen at a low pressure of 5kPa. The ratio of MTS to hydrogen was 1/12. The deposition temperatures were varied from 1373K to 1503K. Optical microscope and SEM were used to observe the surface morphology and microstructure of the coatings. XRD was used for characterization of the phase composition. Results indicated that the deposition rate and the surface roughness varied with deposition temperature. At 1373K, the deposited grains were mainly equiaxed with the crystallite size of 22 nm. However, when the deposition temperature was 1503K, the SiC grains were mainly showed faceted columnar structure with the crystallite size of 32 nm. Grain size increased with the increase of deposition temperature.

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Effect of 3D-Braided Structure on Thermal Expansion of PIP–Cf/SiC Composites

Zhang

Cao

Liu

et al. 2014

Powder Metall Met Ceram

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<title>Design, manufacturing, and performance of C/SiC mirrors and structures</title>

Cited by 5 publications

References 0 publications

Effect of Braided Structure on Mechanical Properties of C<sub>f</sub>/SiC Composites

Effect of Braided Structure on Mechanical Properties of C<sub>f</sub>/SiC Composites

Effects of Deposition Temperature on the Growth Characteristics of CVD SiC Coatings

Effect of 3D-Braided Structure on Thermal Expansion of PIP–Cf/SiC Composites

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