Fabrication of High Aspect Ratio Microscale Rod Arrays Using Metal Injection Molding

Won Sik Lee; Jin Man Jang; Berm Ha Cha; Se Hyun Ko

doi:10.4028/www.scientific.net/AMR.716.430

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 716Fabrication of High Aspect Ratio Microscale Rod...

Fabrication of High Aspect Ratio Microscale Rod Arrays Using Metal Injection Molding

Abstract:

In this work, micro rod arrays of 50 um and 200 um in diameter, respectively, were fabricated by 316L metal injection molding. Acryl sacrificial mold was used for the 50 um rod array. Aspect ratios were about 8 and 6 in 50 um and 200 um rod arrays, respectively and the bending of the rods occured due to high aspect ratio in debinding and sintering steps. Also, severe grain growth occurred at rod surface by sintering for 3 hrs at 1300°C and the average size was measured to be about 70 um.

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Periodical:

Advanced Materials Research (Volume 716)

Pages:

430-433

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.716.430

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Online since:

July 2013

Authors:

Won Sik Lee, Jin Man Jang, Berm Ha Cha, Se Hyun Ko

Keywords:

High Aspect Ratio, Metal Injection Molding (MIM), Micro Rod

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References

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