Specific Features of Structural-Phase State and Properties of Reactor Pressure Vessel Steel at Elevated Irradiation Temperature

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Elements</td><td class="align_center">Matrix, at.%</td><td class="align_center">Precipitate, at.%</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Fe</td><td class="align_center">Bal.</td><td class="align_center">Bal.</td></tr><tr><td class="align_left">Ni</td><td class="align_center">1.68</td><td class="align_center">17.2</td></tr><tr><td class="align_left">Si</td><td class="align_center">0.6</td><td class="align_center">13.9</td></tr><tr><td class="align_left">Mn</td><td class="align_center">0.68</td><td class="align_center">15.6</td></tr><tr><td class="align_left">Cr</td><td class="align_center">1.55</td><td class="align_center">0.7</td></tr><tr><td class="align_left">P</td><td class="align_center">0.003</td><td class="align_center">1.2</td></tr><tr><td class="align_left">Cu</td><td class="align_center">0.003</td><td class="align_center">3.1</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The result of APT analysis of average composition of precipitates.

Science and Technology of Nuclear Installations

tab4

Table 4

Table 4: Specific Features of Structural-Phase State and Properties of Reactor Pressure Vessel Steel at Elevated Irradiation Temperature 