Cyclic Deformation Behavior and Fatigue Crack Propagation of Low Carbon Steel Prestrained in Tension

<table>The <svg height="10.9125" id="M35" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 43.650002 10.9125" width="43.650002" xmlns="http://www.w3.org/2000/svg">
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<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑑</tspan>
<tspan style="font-size: 12.50px; " x="6.6515961" y="0">𝑎</tspan>
<tspan style="font-size: 12.50px; " x="12.928102" y="0">/</tspan>
<tspan style="font-size: 12.50px; " x="16.403936" y="0">𝑑</tspan>
<tspan style="font-size: 12.50px; " x="23.055532" y="0">𝑁</tspan>
</text>
</g>
</g>
</svg> versus <svg height="10.6625" id="M36" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 24.5625 10.6625" width="24.5625" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.6625)">
<g transform="translate(72,-63.47)">
<text transform="matrix(1,0,0,-1,-71.95,63.52)">
<tspan style="font-size: 12.50px; " x="0" y="0">Δ</tspan>
<tspan style="font-size: 12.50px; " x="9.0271664" y="0">𝐾</tspan>
</text>
</g>
</g>
</svg>  for pretention specimens.</table>

Advances in Materials Science and Engineering

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Figure 3

Figure 3: Cyclic Deformation Behavior and Fatigue Crack Propagation of Low Carbon Steel Prestrained in Tension 