Effects of Heat Treatment on the Microstructure and Mechanical Properties of Selective Laser Melting 316L Stainless Steel

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Number</td><td class="align_center">Heat treatment process</td><td class="align_center">Cooling method</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">I</td><td class="align_center">Deposited</td><td class="align_center">—</td></tr><tr><td class="align_left">II</td><td class="align_center">Stress relief annealing at 400°C for 1 h</td><td class="align_center">Air cooling</td></tr><tr><td class="align_left">III</td><td class="align_center">Solution treatment at 1050°C for 20 min</td><td class="align_center">Water cooling</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The heat treatment process of 316L stainless steel produced via SLM.</div>

Shock and Vibration

tab3

Table 3

Table 3: Effects of Heat Treatment on the Microstructure and Mechanical Properties of Selective Laser Melting 316L Stainless Steel 