期刊
ULTRASONICS
卷 40, 期 1-8, 页码 43-48出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0041-624X(02)00245-7
关键词
ultrasonics; soft solid forming; interfacial friction; FE simulation
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. (C) 2002 Elsevier Science B.V. All rights reserved.
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