Effect of cell characteristics on mechanical properties of AlSi10Mg alloy fabricated by laser powder bed fusion

Jihye Kwon,Yeon Taek Choi,Eun Seong Kim,Soung Yeoul Ahn,Sang Guk Jeong, Mungu Kang,Hyomoon Joo,Jeong Min Park,Hyoung Seop Kim

Materials Science and Engineering: A（2024）

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摘要

The contribution of cell structure on the mechanical properties of AlSi10Mg alloy fabricated by laser-powder bed fusion (L-PBF) was quantitatively investigated. A linear relationship between (cell diameter)-1/2 and strength was observed, with a slope of 127 MPa·μm0.5, demonstrating a higher sensitivity of strength to cell diameter compared to grain size.

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关键词

Laser-powder bed fusion (L-PBF),Al-Si-Mg alloy,cellular structure,tensile properties,Hall-Petch relationship

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