| Autor: |
Wu, Yuanbing, Zhao, Jianhua, Yu, Likun, Gu, Cheng |
| Zdroj: |
Metals & Materials International; Aug2024, Vol. 30 Issue 8, p2229-2249, 21p |
| Abstrakt: |
This study innovatively joins magnesium and titanium alloys by incorporating a 3D-printed lattice structure into a magnesium alloy melt via compound casting. Simulation results highlight the significant effect of the length-to-diameter ratio (l/ds) and node-to-strut diameter ratio (dn/ds) on joint strength, with the inclination angle (ω) deemed negligible. X-ray microcomputed tomography reveals a minimal 0.048% porosity in the bimetal joint with a cell dimension of 9 mm, prepared at a casting temperature of 730 °C. Experimental validation affirms the optimized lattice structure yielding impressive Mg/Ti composite joining strength (95.4 MPa) and fracture energy (8987 J). This optimal structure with l/ds, dn/ds, and ω of 5.8, 2.4, and 56° respectively, leverages rough surface texture from selective laser melting, promoting a serrated interface for enhanced Mg/Ti bimetallic bonding. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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