Influence of ultrasonics on upsetting of a model paste

Zhihong Huang, Margaret Lucas, Michael J. Adams

    Research output: Contribution to journalSpecial issuepeer-review

    84 Citations (Scopus)

    Abstract

    This paper describes a preliminary study of the influence of ultrasonics on the boundary conditions associated with the equipment walls in a soft solid forming operation using Plasticine as a material model. A detailed finite element analysis is described involving the upsetting of a cylindrical specimen between two parallel rigid dies with kinematics and ultrasonic oscillatory loading conditions. A series of squeeze flow experiments has been conducted to validate the finite element models. The oscillation parameters were measured using a 3D laser Doppler vibrometer to complement the measurement of reaction forces.
    Original languageEnglish
    Pages (from-to)43-48
    Number of pages6
    JournalUltrasonics
    Volume40
    Issue number1-8
    DOIs
    Publication statusPublished - 2002
    EventUltrasonics International Conference - Delft, Netherlands
    Duration: 3 Jul 20015 Jul 2001

    Keywords

    • Ultrasonics
    • Soft soild forming
    • Interfacial friction
    • FE simulation
    • Elastoviscoplastic material

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