The role of in-situ nano-TiB2 particles in improving the printability of noncastable 2024Al alloy
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作者
Sun, Tengteng; Wang, Hongze; Gao, Zhenyang; Wu, Yi; Wang, Mingliang; Jin, Xinyuan; Leung, Chu Lun Alex; Lee, P. D.; Fu, Yanan; Wang, Haowei
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刊物名称
MATERIALS RESEARCH LETTERS
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年、卷、文献号
2022, 10, 2166-3831
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关键词
Sun, Tengteng; Wang, Hongze; Gao, Zhenyang; Wu, Yi; Wang, Mingliang; Jin, Xinyuan; Leung, Chu Lun Alex; Lee, P. D.; Fu, Yanan; Wang, Haowei
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摘要
In-situ pre-decorated different content of TiB2 particle reinforced 2024 Al matrix composites (xTiB(2)/2024Al composite, x = 0, 1, 2, 4, 6, 8 wt.%) were printed by laser powder bed fusion (LPBF). A quantitative equation was established to quantify heterogeneous nucleating potency by TiB2 nanoparticles on the grain size of the LPBFed samples. Optimized mechanical properties were obtained in the as-printed 4TiB(2)/2024Al alloy which proved the feasibility of replacing the wrought part with the LPBFed one. This manuscript provides a method to determine the optimized content of TiB2 nanoparticles to change the noncastable material to the printable one. IMPACT STATEMENT This manuscript provides a method to determine the optimized TiB2 content to change the noncastable material to the printable one, and can potentially guide the introduction of many other nanoparticles.
