A New Method to Measure Crack Extension in Nuclear Graphite Based on Digital Image Correlation

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Properties</td><td class="align_center">Unit</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Mass density</td><td class="align_center">kg/m<sup>3</sup></td><td class="align_center">1873.24</td></tr><tr><td class="align_left">Modulus of elasticity</td><td class="align_center">GPa</td><td class="align_center">11.9</td></tr><tr><td class="align_left">Poisson’s ratio</td><td class="align_center">—</td><td class="align_center">0.21</td></tr><tr><td class="align_left">Shear modulus of elasticity</td><td class="align_center">GPA</td><td class="align_center">4.92</td></tr><tr><td class="align_left">Coefficient of thermal expansion</td><td class="align_center">l/°C</td><td class="align_center">4.54 × 10<sup>−6</sup></td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Material properties of NBG-18 [<a href="/journals/stni/2017/2416545/#B24">24</a>].

Science and Technology of Nuclear Installations

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Table 1

Table 1: A New Method to Measure Crack Extension in Nuclear Graphite Based on Digital Image Correlation 