Fabrication of continuous carbon fiber-reinforced aluminum-magnesium alloy composite wires using ultrasonic infiltration method

Tadashi Matsunaga, Kenji Matsuda, Tomei Hatayama, Kenji Shinozaki, Makoto Yoshida

    Research output: Contribution to journalArticle

    56 Citations (Scopus)

    Abstract

    In order to fabricate continuous carbon fiber-reinforced aluminum alloy matrix composites, various infiltration methods such as gas pressure infiltration, CVD-infiltration, and ultrasonic infiltration methods have been developed. Among these methods, the ultrasonic infiltration method is the simplest. In this study, the effects of ultrasonic power, the diameter of the hole of the horn, fabricating speed, and magnesium content on the ease of infiltration are investigated. As the results, both an ultrasonic power of 200 W and the addition of more than 2.4 mass% Mg are indispensable to infiltrate molten aluminum alloy into a PAN-based M40J carbon fiber bundle, which has 6000 filaments. Contrariwise, the tensile strength and relative strength (ROM ratio) of the obtained composites decreased from 1100 MPa (0.7) at both 2.4 and 4.7 mass% Mg contents to 800 MPa (0.5) at 10 mass% Mg content. This was probably caused by an increase in the content of the Al3Mg2 intermetallic compound. Consequently, the addition of magnesium is effective in improving the infiltration; however, it causes the strength of the composites to decrease. It is found that in this process, the optimum magnesium content in aluminum from the viewpoints of ease of infiltration and strength was 4.7 mass%.

    Original languageEnglish
    Pages (from-to)1902-1911
    Number of pages10
    JournalComposites Part A: Applied Science and Manufacturing
    Volume38
    Issue number8
    DOIs
    Publication statusPublished - 2007 Aug

    Fingerprint

    Magnesium alloys
    Infiltration
    Carbon fibers
    Aluminum alloys
    Ultrasonics
    Wire
    Fabrication
    Composite materials
    Magnesium
    ROM
    carbon fiber
    Aluminum
    Intermetallics
    Molten materials
    Chemical vapor deposition
    Tensile strength
    Gases

    Keywords

    • A. Carbon fibre
    • A. Metal matrix composites (MMCs)
    • E. Casting
    • E. Liquid metal infiltration
    • Ultrasonic infiltration

    ASJC Scopus subject areas

    • Ceramics and Composites

    Cite this

    Fabrication of continuous carbon fiber-reinforced aluminum-magnesium alloy composite wires using ultrasonic infiltration method. / Matsunaga, Tadashi; Matsuda, Kenji; Hatayama, Tomei; Shinozaki, Kenji; Yoshida, Makoto.

    In: Composites Part A: Applied Science and Manufacturing, Vol. 38, No. 8, 08.2007, p. 1902-1911.

    Research output: Contribution to journalArticle

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