You are being redirected because this document is part of your ASTM Compass® subscription.
    This document is part of your ASTM Compass® subscription.

    If you are an ASTM Compass Subscriber and this document is part of your subscription, you can access it for free at ASTM Compass

    Fracture Toughness Evaluation of Neutron-Irradiated Composites by a Miniaturized Charpy Test

    Published: 01 January 1993

      Format Pages Price  
    PDF (496K) 13 $25   ADD TO CART
    Complete Source PDF (11M) 452 $137   ADD TO CART

    Cite this document

    X Add email address send
      .RIS For RefWorks, EndNote, ProCite, Reference Manager, Zoteo, and many others.   .DOCX For Microsoft Word


    The impact properties of advanced metal matrix composites (MMCs) such as unidirectionally reinforced silicon carbide (SiC)/aluminum (Al) and C/Al have been investigated based on recent improvements in their mechanical properties. This paper details the effects of test temperature and neutron irradiation on the fracture toughness of these MMCs. The materials used were sheets of PCS-SiC/Al and PAN-C/Al. Miniaturized Charpy V-notched specimens were tested in an instrumented Charpy impact tester. Neutron irradiation was performed in the Japanese Materials Testing Reactor (JMTR), a light water reactor (LWR) at Oarai. The fracture energy increased with increasing test temperature and with neutron irradiation. SiC/Al was rather more insensitive to neutron fluence than C/Al, which was related to the difference in interfacial structure between the two systems.


    metal matrix composites, aluminum matrix, silicon carbide fiber, carbon fiber, Charpy impact test, fracture toughness, strength properties, miniaturized specimens, miniaturized testing

    Author Information:

    Hamada, K
    The University of Tokyo, Tokyo,

    Sato, S
    The University of Tokyo, Tokyo,

    Kohyama, A
    The University of Tokyo, Tokyo,

    Committee/Subcommittee: E10.08

    DOI: 10.1520/STP12722S