Mechanical Properties, Surface Structure, and Morphology of Carbon Fibers Pre-heated for Liquid Aluminum Infiltration

Beitrag in einer Fachzeitschrift
(Originalarbeit)


Details zur Publikation

Autor(en): Kachold F, Kozera R, Singer R, Boczkowska A
Zeitschrift: Journal of Materials Engineering and Performance
Verlag: Springer New York LLC
Jahr der Veröffentlichung: 2016
Band: 25
Heftnummer: 4
Seitenbereich: 1502-1507
ISSN: 1544-1024
Sprache: Englisch


Abstract


To efficiently produce carbon fiber-reinforced aluminum on a large scale, we developed a special high-pressure 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 fiber tensile tests revealed a decrease in tensile strength and strain at fracture. Young’s modulus was not affected. Scanning electron microscopy identified cavities on the fiber surface as the reason for the decrease in mechanical properties. They were caused by the attack of atmospheric oxygen. The atomic structure of the fibers did not change at any temperature, as x-ray diffraction confirmed. Based on these data, the pre-heating for the casting process can be optimized.



FAU-Autoren / FAU-Herausgeber

Kachold, Franziska
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)
Singer, Robert Prof. Dr.-Ing.
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)


Zusätzliche Organisationseinheit(en)
Exzellenz-Cluster Engineering of Advanced Materials


Zitierweisen

APA:
Kachold, F., Kozera, R., Singer, R., & Boczkowska, A. (2016). Mechanical Properties, Surface Structure, and Morphology of Carbon Fibers Pre-heated for Liquid Aluminum Infiltration. Journal of Materials Engineering and Performance, 25(4), 1502-1507. https://dx.doi.org/10.1007/s11665-016-1997-4

MLA:
Kachold, Franziska, et al. "Mechanical Properties, Surface Structure, and Morphology of Carbon Fibers Pre-heated for Liquid Aluminum Infiltration." Journal of Materials Engineering and Performance 25.4 (2016): 1502-1507.

BibTeX: 

Zuletzt aktualisiert 2018-18-11 um 13:50