Paper Title:
Dynamic Material Properties of Stainless Steel and Multiphase High Strength Steels
  Abstract

This work presents results of tensile testing of H400 stainless steel, DP600 and TRIP600 at different strain rates. Mechanical properties were determined from tensile test using flat sheet specimens and recurring to different test techniques: servo-hydraulic machine and a tensile-loading Hopkinson bar. The test results were used to compare different mechanical properties of the tested steels and to validate constitutive equations intended to provide a mathematical description of strain rate dependence, namely the Cowper-Symonds equation. Following previous research work in dynamic material proprieties of multiphase and stainless steel grades, the energy absorption in quasi-static crushing of thin walled section made of the tested materials was subsequently investigated. Crush tests were performed in top-hat and hexagonal section tubes manufactured using laser welding. The experimental results were compared in order to assess the efficiency of the different steel grades for energy absorption.

  Info
Periodical
Materials Science Forum (Volumes 587-588)
Edited by
António Torres Marques, António Fernando Silva, António Paulo Monteiro Baptista, Carlos Sá, Fernando Jorge Lino Alves, Luís Filipe Malheiros and Manuel Vieira
Pages
941-945
DOI
10.4028/www.scientific.net/MSF.587-588.941
Citation
M. Durães, N. Peixinho, "Dynamic Material Properties of Stainless Steel and Multiphase High Strength Steels", Materials Science Forum, Vols. 587-588, pp. 941-945, 2008
Online since
June 2008
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Price
$32.00
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