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TECHNICAL BRIEFS

Impact-Induced Temperature Rise in a Thermovisco-Plastic Rod

[+] Author and Article Information
D. W. Nicholson

Department of Mechanical Engineering, Stevens Institute of Technology, Hoboken, N.J. 07030

J. Pressure Vessel Technol 108(4), 535-538 (Nov 01, 1986) (4 pages) doi:10.1115/1.3264828 History: Received July 16, 1985; Revised October 21, 1985; Online November 05, 2009

Abstract

A solution is presented for stress, strain and temperature rise in a long rod subject to axial impact by a small rigid mass. The rod material is described by a bilinear thermoviscoplastic constitutive model. The rod response is assumed to be adiabatic, so that inelastic work is completely converted into heat. The general solution is derived using Laplace transforms, and a numerical inversion technique is formulated. Calculations are presented in a case typical of commercially pure titanium. It is hoped that this solution will serve as a “benchmark” for validating general purpose impact codes such as EPIC-II.

Copyright © 1986 by ASME
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