High Performance C/C-SIC Brake Pads

Krenkel, Walter; El-Hija, Hussam Abu; Kriescher, Michael

doi:10.1002/9780470291191.ch30

Cited by 5 publications

(4 citation statements)

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“…It is gradually becoming the ideal candidate for various structure materials in aeronautics and astronautics [1][2][3][4][5]. It is assumed that this trend will continue in the future.…”

Section: Introductionmentioning

confidence: 98%

Two-dimensional evaluation of 3D needled C f /SiC composite fiber bundle surface

Wei

Lin

Cao

et al. 2015

Applied Surface Science

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“…It is gradually becoming the ideal candidate for various structure materials in aeronautics and astronautics [1][2][3][4][5]. It is assumed that this trend will continue in the future.…”

Section: Introductionmentioning

confidence: 98%

Two-dimensional evaluation of 3D needled C f /SiC composite fiber bundle surface

Wei

Lin

Cao

et al. 2015

Applied Surface Science

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“…Long fiber reinforced woven composites (LFRWCs) are widely used in aerospace, military, national defense, and some other advanced fields because of their high specific strength and rigidity, corrosion and wear resistance, and other excellent characteristics. They are gradually becoming ideal candidates for various structural materials in aeronautics and astronautics [1][2][3][4][5]. For the industrial application of LFRWCs, it is of vital importance to objectively evaluate the surface processing quality, and on this basis, judge the type and degree of processing damage.…”

Section: Introductionmentioning

confidence: 99%

Measurement and evaluation of fiber bundle surface of long fiber reinforced woven composites

Wei¹,

Wang²,

Lin³

et al. 2019

Surf. Topogr.: Metrol. Prop.

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Long fiber reinforced woven composites (LFRWCs) are being applied to many growing fields because of their excellent properties; however, owing to their anisotropy and inhomogeneity, traditional surface measurements and evaluation methods appropriate for isotropic materials are no longer suitable to LFRWC, thus causing many difficulties in terms of their wide industrial applications. Based on this fact, a multi-scale surface evaluation system is proposed according to the LFRWC structure. This paper is mainly focused on the first scale evaluation-fiber bundle scale. First, the reasons why 2D rather than 3D measurements and evaluations should be adopted at this scale are described, and four indexes, namely, Ra ave , Rq ave , Rsk ave and Rku ave are proposed to evaluate the surface roughness, damage type, and degree of damage. A method is proposed to determine the maximum sampling step (MaxSS) to ensure that the measurement data are undistorted. As a demonstration, the validity of the method is checked through the testing of a carbon fiber reinforced silicon carbide ceramic matrix composite (C f /SiC).

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“…Carbon fiber reinforced silicon carbide ceramic matrix composite (C f /SiC) displays many perfect properties such as high temperature resistance, good thermal conductivity, excellent friction property, extraordinary wear resistance ability and so on, thus their mechanical behaviors are broadly studied and well-recorded [1]. The performances mentioned above make them ideal candidates for materials of various structures in military and civilian fields like planes, high-speed trains, cars, etc [2][3][4][5][6]. C f /SiC mainly consists of matrix and fiber bundles, which results in the anisotropy and inhomogeneity of materials themselves.…”

Section: Introductionmentioning

confidence: 99%

Characterization of C<sub>f</sub>/SiC Composite Fiber Bundle Surface Based on an Optical System

Wei

Wang

Lin

2018

SSP

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The traditional contact devices measure material's surface roughness by scratching its surface, which may cause surface damage and sampling error. In order to avoid these troubles, an optical measurement system is used in this paper. Considering the anisotropic and inhomogeneous surface structure of Cf/SiC composite, a multi-scale measure system must be established. Fiber bundle is the first scale to be studied, whose appropriate measurement parameters are studied here. When sampling area is 150μm×150μm and sampling step is from 0.1μm to 0.5μm, the values of 3D surface parameters Sa, Sq, Ssk and Sku are steady and their relative changes are small. 2D surface roughness Ra is adopted to select the proper sampling length. The results show that as long as the sampling length is more than 112μm, the mean value of 2D surface roughness Ra are relatively stable. The critical sampling length is about 1/7 of the standard minimum sampling length in ISO 468-1982. According to the results obtained, the research provides a useful guideline for determination on the appropriate sampling conditions of Cf/SiC composite fiber bundle surface measurement.

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High Performance C/C-SIC Brake Pads

Cited by 5 publications

References 0 publications

Two-dimensional evaluation of 3D needled C f /SiC composite fiber bundle surface

Two-dimensional evaluation of 3D needled C f /SiC composite fiber bundle surface

Measurement and evaluation of fiber bundle surface of long fiber reinforced woven composites

Characterization of C<sub>f</sub>/SiC Composite Fiber Bundle Surface Based on an Optical System

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