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


    Elastic and Strength Properties of Continuous/Chopped Glass Fiber Hybrid Sheet Molding Compounds

    Published: 0

      Format Pages Price  
    PDF (272K) 16 $25   ADD TO CART
    Complete Source PDF (4.1M) 272 $55   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


    Hybrid sheet molding compounds containing both continuous and chopped glass fiber reinforcements have been modeled as laminates of continuous and chopped fiber plies. It is shown that the elastic moduli and the tensile strengths of a series of hybrid compositions with different ratios of continuous to chopped random glass fiber can be calculated from the same constituent plies. Hybrid molding compounds ranging from 100 percent chopped random glass to 90 percent continuous glass fiber at the same total glass content were tested for elastic moduli and ultimate tensile strengths in the axial and transverse directions. Good agreement is obtained with the laminate model calculations. Similar models for other hybrid molding compounds such as XMC materials are developed and the model predictions are compared with data in the literature.


    composites, elastic properties, glass fiber, laminate analysis, sheet molding compound, tensile strength

    Author Information:

    Sridharan, NS
    Manager, Composites and Advanced Materials, Materials Engineering and Technology, International Harvester Company, Hinsdale, Ill.

    Committee/Subcommittee: E08.07

    DOI: 10.1520/STP29385S