About this Abstract |
Meeting |
2022 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2022)
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Symposium
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2022 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2022)
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Presentation Title |
The Effect of Heat Treatment on Microstructural and Mechanical Performance of a Laser Powder Bed-fused Al-Cu-Mg-Ag-Ti-B Alloy: As-built Versus T7 Heat Treated |
Author(s) |
Maryam Avateffazeli, Md Faysal Khan, Nima Shamsaei, Meysam Haghshenas |
On-Site Speaker (Planned) |
Maryam Avateffazeli |
Abstract Scope |
This research aims at assessing the effect of heat treatment on microstructure/mechanical properties a novel laser-powder bed fused (L-PBF) Al-Cu-Mg-Ag-Ti-B alloy, i.e., A205. To this end, two batches of L-PBF samples were post heat-treated to (i) stress-relieving, and (ii) T7 stabilizing over-aging. Upon fabrication and post-heat treatments, advanced microstructural characterizations (employing electron backscattered diffraction and transmission electron microscopy), quasi-static tensile, and fatigue tests were conducted to assess the effect of the mentioned heat treatments on microstructure, mechanical properties of the materials, and the fatigue performance of the materials. We also studied the controlling mechanisms of deformation and the contribution of defects and T7-produced precipitates on tensile and fatigue properties. These findings present useful information for the selection of appropriate heat treatment conditions to facilitate control of the strength, microstructure, and fatigue performance in the L-PBF A205 material, which is of great significance for their high-demanding applications in the aerospace sector. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |