Numerical Study of Hydrogen Trapping: Application to an API 5L X60 Steel

<table>Effect of the free energy of trapping <svg height="11.75" id="M387" style="vertical-align:-0.23206pt" version="1.1" viewbox="0 0 23.325001 11.75" width="23.325001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> in the hydrogen permeation transients calculated by a finite difference method. Empty symbol: trap free lattice (<svg height="11.375" id="M388" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 42.5625 11.375" width="42.5625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>, (<a href="https://static.hindawi.com/articles/isrn/volume-2012/945235/figures/#EEq21">21</a>) with <svg height="15.25" id="M389" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 54.262501 15.25" width="54.262501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>). Filled symbols: lattice with traps (<svg height="16.112499" id="M390" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 130.85001 16.112499" width="130.85001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>) with different values of <svg height="11.75" id="M391" style="vertical-align:-0.23206pt" version="1.1" viewbox="0 0 23.325001 11.75" width="23.325001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>.</table>

International Scholarly Research Notices

fig1

Figure 1

Figure 1: Numerical Study of Hydrogen Trapping: Application to an API 5L X60 Steel 