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  1. No Access

    Article

    Nonlinear dynamic response and bifurcation of variable thickness sandwich conical shell with internal resonance

    This paper explores the nonlinear dynamic responses and bifurcations of the truncated sandwich simply supported porous conical shell with varying thickness under 1:1 internal resonance. Two skins with carbon f...

    S. W. Yang, Z. Q. Wang, Y. X. Hao, W. Zhang, W. S. Ma, Y. Niu in Nonlinear Dynamics (2024)

  2. No Access

    Article

    Equivalence of a Beam on Elastic Foundation and a Beam on Elastic Supports with Transfer Matrix Method

    In this work, the mechanical equivalence and equivalent accuracy between a beam on elastic foundation (BOEF) and a beam on elastic supports (BOES) are analyzed considering static and dynamic characteristics us...

    K. Z. **e, N. Xue, W. S. Ma, Q. G. Wang in Journal of Vibration Engineering & Technologies (2024)

  3. No Access

    Article

    Nonlinear Frequency and Bifurcation of Carbon Fiber-Reinforced Polymer Truncated Laminated Conical Shell

    The nonlinear free vibration and bifurcation of a truncated laminated conical shell reinforced with carbon fiber based on the first order shear deformation shell theory are presented.

    S. W. Yang, Y. X. Hao, W. Zhang, W. S. Ma… in Journal of Vibration Engineering & Technol… (2024)

  4. No Access

    Article

    A Novel Conducting Polymer with O-S-S-O Bonds for Positive Material:Poly(2,2′-Diaminobenzyloxydisulfide)

    Organic disulfide compounds has been proposed as a new class of high-energy storage material. Poly(2,2’-diaminobenzyloxydisulfide), a novel conducting polymer having O-S-S-O bond joined two moieties of aniline...

    Y. Z. Su, W. S. Ma, K. C. Gong in MRS Online Proceedings Library (1999)

  5. No Access

    Article

    Structure and Electrical Properties of Conjugated Polymer Composites

    The microstructure and electrical property relationships in conjugated polymer composites( polyaniline (PAn) or polypyrrole(PPy)/thiokol rubber (TR)) have been characterized by 4-probe method, scanning electro...

    K. C. Gong, W. S. Ma in MRS Online Proceedings Library (1995)