Journal
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
Volume 26, Issue 2, Pages 621-629Publisher
SPRINGER
DOI: 10.1007/s11665-016-2480-y
Keywords
geometric limitation; mechanical anisotropy; microstructure; tensile property; wire and arc additive manufacture
Categories
Funding
- National Natural Science Foundation of China [51475376, 51575451]
- Research Fund of the State Key Laboratory of Solidification Processing (NWPU), China [109-QP-2014]
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Wire and arc additive manufacture (WAAM), as an emerging and promising technology of metal additive manufacturing, it lacks of experimental works to clarify the feature of geometrical configuration, microstructure and tensile properties, which can be used for further evaluating whether the as-deposited part can be used directly, and providing design reference for structure optimization. Taking 5A06 aluminum alloy additive manufacturing for example, in this paper, the geometric limitation and tensile property criteria are characterized using experimental method. The minimum angle and curvature radius that can be made by WAAM are 20A degrees and 10 mm when the layer width is 7.2 mm. It shows isotropy when loading in build direction and perpendicular one. When loading in the direction of parallel and perpendicular to texture orientation, the tensile properties are anisotropic. The difference between them is 22 MPa.
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