Constitutive modeling using the Taylor impact test

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The Taylor test can be conveniently divided into three fairly distinct stages: (1) initial transient behavior after impact characterized by nonlinear plastic wave propagation. (2) quasi-steady propagation of the plastic wave front. The duration of this stage is a function of specimen caliber and material. (3) terminal transient behavior, during which most of the deceleration of the undeformed section takes place. After the initial transient is complete, which varies with the strain at which the plastic wave front propagates, the motion is well behaved, in the sense that a one-dimensional analysis can be effectively applied. This paper contains such an ... continued below

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8 p.

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Jones, S.E.; Maudlin, P.J. & Foster, J.C. Jr. September 1, 1995.

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  • Jones, S.E. Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Mechanical Engineering
  • Maudlin, P.J. Los Alamos National Lab., NM (United States)
  • Foster, J.C. Jr. Air Force Armament Lab., Eglin AFB, FL (United States)

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Description

The Taylor test can be conveniently divided into three fairly distinct stages: (1) initial transient behavior after impact characterized by nonlinear plastic wave propagation. (2) quasi-steady propagation of the plastic wave front. The duration of this stage is a function of specimen caliber and material. (3) terminal transient behavior, during which most of the deceleration of the undeformed section takes place. After the initial transient is complete, which varies with the strain at which the plastic wave front propagates, the motion is well behaved, in the sense that a one-dimensional analysis can be effectively applied. This paper contains such an analysis. Results are supported by an example from which the state of stress for an OFHC copper specimen is deduced.

Physical Description

8 p.

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OSTI as DE95016979

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  • Symposium on high strain rate effects on polymers metal and ceramic matrix composites and other advanced materials, San Francisco, CA (United States), 14 Nov 1995

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  • Other: DE95016979
  • Report No.: LA-UR--95-2590
  • Report No.: CONF-9511120--1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 106745
  • Archival Resource Key: ark:/67531/metadc625810

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  • September 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 25, 2016, 2:13 p.m.

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Jones, S.E.; Maudlin, P.J. & Foster, J.C. Jr. Constitutive modeling using the Taylor impact test, article, September 1, 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc625810/: accessed November 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.