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<p>ISO 26203-1:2018 specifies methods for testing metallic sheet materials to determine the stress-strain characteristics at high strain rates. This document covers the use of elastic-bar-type systems.</p>
<p>The strain-rate range between 10<sup>−3</sup> and 10<sup>3</sup> s<sup>−1</sup> is considered to be the most relevant to vehicle crash events based on experimental and numerical calculations such as the finite element analysis (FEA) work for crashworthiness.</p>
<p>In order to evaluate the crashworthiness of a vehicle with accuracy, reliable stress-strain characterization of metallic materials at strain rates higher than 10<sup>−3</sup> s<sup>−1</sup> is essential.</p>
<p>This test method covers the strain-rate range above 10<sup>2</sup> s<sup>−1</sup>.</p>
<p>NOTE 1 At strain rates lower than 10<sup>−1</sup> s<sup>−1</sup>, a quasi-static tensile testing machine that is specified in ISO 7500‑1 and ISO 6892‑1 can be applied.</p>
<p>NOTE 2 This testing method is also applicable to tensile test-piece geometries other than the flat test pieces considered here.</p>
Reģistrācijas numurs (WIID)
87888
Darbības sfēra
<p>ISO 26203-1:2018 specifies methods for testing metallic sheet materials to determine the stress-strain characteristics at high strain rates. This document covers the use of elastic-bar-type systems.</p>
<p>The strain-rate range between 10<sup>−3</sup> and 10<sup>3</sup> s<sup>−1</sup> is considered to be the most relevant to vehicle crash events based on experimental and numerical calculations such as the finite element analysis (FEA) work for crashworthiness.</p>
<p>In order to evaluate the crashworthiness of a vehicle with accuracy, reliable stress-strain characterization of metallic materials at strain rates higher than 10<sup>−3</sup> s<sup>−1</sup> is essential.</p>
<p>This test method covers the strain-rate range above 10<sup>2</sup> s<sup>−1</sup>.</p>
<p>NOTE 1 At strain rates lower than 10<sup>−1</sup> s<sup>−1</sup>, a quasi-static tensile testing machine that is specified in ISO 7500‑1 and ISO 6892‑1 can be applied.</p>
<p>NOTE 2 This testing method is also applicable to tensile test-piece geometries other than the flat test pieces considered here.</p>
