Cyclic Stress Response and Fracture Behaviors of Alloy 617 Base Metal and Weld Joints under LCF Loading

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Temp. (°C)</td><td align="center" colspan="3">Base metal</td><td align="center" colspan="3">Weld joint (GTAW)</td></tr><tr class="thead"><td align="center">YS (MPa)</td><td align="center">UTS (MPa)</td><td align="center">EL (%)</td><td align="center">YS (MPa)</td><td align="center">UTS (MPa)</td><td align="center">EL (%)</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td align="left">RT</td><td align="center">346.6</td><td align="center">811.1</td><td align="center">59.9</td><td align="center">462</td><td align="center">764.9</td><td align="center">24.6</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The tensile mechanical properties of Alloy 617.

Advances in Materials Science and Engineering

tab2

Table 2

Table 2: Cyclic Stress Response and Fracture Behaviors of Alloy 617 Base Metal and Weld Joints under LCF Loading 