Size Effect in Sintering of Micro Metal Injection Molded Part

Jin Man Jang; Won Sik Lee; Hyong Jae Lee; Yong In Kim; Se Hyun Ko; Seong Ho Son; Sung Cheol Park

doi:10.4028/www.scientific.net/AMR.753-755.137

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 753-755Size Effect in Sintering of Micro Metal Injection...

Size Effect in Sintering of Micro Metal Injection Molded Part

Abstract:

Micro gears with different dimension were fabricated by micro metal injection molding and sintering behavior of the micro gear was investigated. For this, ultraprecision micro molds were prepared by micro electroforming. The sintered micro gears had outer diameter of 470μm and 250 μm, respectively. From the sintering results at 1200°C and 1250°C, the grain growth and the degree of thermal etching depend dominantly on the size of micro part rather than micro feature size. The sintering temperature of micro parts should be lower than that of macro components.

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Periodical:

Advanced Materials Research (Volumes 753-755)

Pages:

137-140

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.753-755.137

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Online since:

August 2013

Authors:

Jin Man Jang, Won Sik Lee, Hyong Jae Lee, Yong In Kim, Se Hyun Ko, Seong Ho Son, Sung Cheol Park

Keywords:

Feedstock, Metal Injection Molding (MIM), Micro Gear, Micro-Electroforming, Sintering

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