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Casting of array micro-holes on Al components

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Abstract

A novel preparation process of array micro-holes on Al components is proposed. Carbon fibers were chosen as the hole cores in order to prepare array micro-holes in the casting method. Aiming at demonstrating the quality of array micro-holes, the roughness (R a ) of array micro-holes is researched. The results show that array micro-hole obtained has 222 μm diameter, the line spacing of array micro-holes is about 6 mm, the closer pitch of holes on each line is about 2 mm, and the farther pitch of holes on each line is about 4 mm. Metallostatic pressure and surface tension have an important influence on the roughness of array micro-holes. In this experiment, the roughness (R a ) of array micro-holes is about 6.3 μm.

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Authors and Affiliations

  1. School of Material Science and Engineering, Shenyang University of Technology, Shenyang, 110870, People’s Republic of China

    M. L. Jin, Y. D. Qu, J. H. You & R. D. Li

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  1. M. L. Jin
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  2. Y. D. Qu
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  3. J. H. You
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  4. R. D. Li
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Correspondence to Y. D. Qu.

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Jin, M.L., Qu, Y.D., You, J.H. et al. Casting of array micro-holes on Al components. Int J Adv Manuf Technol 81, 1017–1021 (2015). https://doi.org/10.1007/s00170-015-7268-y

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  • DOI: https://doi.org/10.1007/s00170-015-7268-y

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