2016
DOI: 10.1007/s11665-016-1997-4
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Mechanical Properties, Surface Structure, and Morphology of Carbon Fibers Pre-heated for Liquid Aluminum Infiltration

Abstract: To efficiently produce carbon fiber-reinforced aluminum on a large scale, we developed a special highpressure die casting process. Pre-heating of the fibers is crucial for successful infiltration. In this paper, the influence of heating carried out in industrial conditions on the mechanical properties of the fibers was investigated. Therefore, polyacrylonitrile-based high-tensile carbon fiber textiles were heated by infrared emitters in an argon-rich atmosphere to temperatures between 450 and 1400°C. Single fi… Show more

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Cited by 3 publications
(4 citation statements)
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“…It is extremely unlikely that hexagonal pits form on the CF surface. Only round pitting has been reported in other CF-based works, regardless of the etching conditions, 7,11,22,26,30,32,33,[51][52][53][54][55][56][57][58][59][60][61][62][63][64] either as well-defined individual features, pit clustering and subsequent coalescence, or seemingly amorphous. This is explained by the heterogeneity of PANbased CFs structure, highly disordered compared to graphite models, for example, HOPG or natural graphite.…”
Section: Pit Shape and Growth Rate Comparisonmentioning
confidence: 99%
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“…It is extremely unlikely that hexagonal pits form on the CF surface. Only round pitting has been reported in other CF-based works, regardless of the etching conditions, 7,11,22,26,30,32,33,[51][52][53][54][55][56][57][58][59][60][61][62][63][64] either as well-defined individual features, pit clustering and subsequent coalescence, or seemingly amorphous. This is explained by the heterogeneity of PANbased CFs structure, highly disordered compared to graphite models, for example, HOPG or natural graphite.…”
Section: Pit Shape and Growth Rate Comparisonmentioning
confidence: 99%
“…Other mechanisms can come into play in the absence of O 2 , such as the Boudouard reaction in the presence of CO 2. 10 These mechanisms enlarge pores, create more active sites and new defects thus increasing the ASA, enhancing the oxidation process and degrading the CF mechanical properties, 30–34 with analogous processes observed with other carbonaceous materials 35 . These phenomena can be accelerated by the presence of impurities in the carbon structure, which act locally or with a certain mobility 36–39 .…”
Section: Introductionmentioning
confidence: 97%
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