Abstract
In this study, single wire arc additive manufacturing (SWAAM) and multi wire arc additive manufacturing (MWAAM) were used to fabricate the TC11 alloy. Microstructure and mechanical properties of TC11 alloy were studied. The results showed that the microstructure of MWAAM TC11 alloy composed of α and β phase, and the proportion of β phase increased slightly than that of SWAAM TC11 sample. Compared with the SWAAM TC11 sample, the microhardness of MWAAM TC11 alloy sample increased from 382 to 407 HV, and average ultimate tensile strength of MWAAM TC11 alloy sample increased from 922.01 to 934.56 MPa. The results indicate that the addition of wires can significantly improve both manufacturing efficiency and mechanical properties of TC11 alloy components.
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