Control the deformation of MIM parts by the powder size distribution

Toshiko Osada; Kentaro Kudo; Ryuichi Hashikawa; Fujio Tsumori; Hideshi Miura

Control the deformation of MIM parts by the powder size distribution

Toshiko Osada, Kentaro Kudo, Ryuichi Hashikawa, Fujio Tsumori, Hideshi Miura

Manufacturing Process

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Metal Injection Molding (MIM) process is suitable for fabricating small parts in large quantity. In this work, relatively large and complex shaped parts were prepared thorough MIM. In order to decrease the deformation of sintered parts, powders of different sizes were mixed. The effect of powder particle distribution and powder loading on the distortion of complex shaped compacts were investigated and evaluated. Smaller deformation of thelarge and complex shaped parts could be realized by using mixed powder with smallerparticle.

Original language	English
Title of host publication	World PM 2016 Congress and Exhibition
Publisher	European Powder Metallurgy Association (EPMA)
ISBN (Electronic)	9781899072484
Publication status	Published - 2016
Event	World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016 - Hamburg, Germany Duration: Oct 9 2016 → Oct 13 2016

Publication series

Name	World PM 2016 Congress and Exhibition

Other

Other	World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016
Country	Germany
City	Hamburg
Period	10/9/16 → 10/13/16

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Metals and Alloys

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Control the deformation of MIM parts by the powder size distribution. / Osada, Toshiko; Kudo, Kentaro; Hashikawa, Ryuichi; Tsumori, Fujio; Miura, Hideshi.

World PM 2016 Congress and Exhibition. European Powder Metallurgy Association (EPMA), 2016. (World PM 2016 Congress and Exhibition).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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abstract = "Metal Injection Molding (MIM) process is suitable for fabricating small parts in large quantity. In this work, relatively large and complex shaped parts were prepared thorough MIM. In order to decrease the deformation of sintered parts, powders of different sizes were mixed. The effect of powder particle distribution and powder loading on the distortion of complex shaped compacts were investigated and evaluated. Smaller deformation of thelarge and complex shaped parts could be realized by using mixed powder with smallerparticle.",

author = "Toshiko Osada and Kentaro Kudo and Ryuichi Hashikawa and Fujio Tsumori and Hideshi Miura",

note = "Funding Information: After the injection molding, the paraffin wax was removed in vapored heptane atmosphere at 58 °C for 4 hours. After the solvent debinding process, polymer binders were removed in thermal debinding at 600 °C for 2 hours. The aircraft part was supported by alumina setter during debinding and sintering process. The sintering was performed in the furnace in argon atmosphere at 1350 °C for 2 hours. Which sintering densities were achieved ? Have you observed an influence of the fine powder content ?; World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016 ; Conference date: 09-10-2016 Through 13-10-2016",

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AU - Kudo, Kentaro

AU - Hashikawa, Ryuichi

AU - Tsumori, Fujio

AU - Miura, Hideshi

N1 - Funding Information: After the injection molding, the paraffin wax was removed in vapored heptane atmosphere at 58 °C for 4 hours. After the solvent debinding process, polymer binders were removed in thermal debinding at 600 °C for 2 hours. The aircraft part was supported by alumina setter during debinding and sintering process. The sintering was performed in the furnace in argon atmosphere at 1350 °C for 2 hours. Which sintering densities were achieved ? Have you observed an influence of the fine powder content ?

PY - 2016

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N2 - Metal Injection Molding (MIM) process is suitable for fabricating small parts in large quantity. In this work, relatively large and complex shaped parts were prepared thorough MIM. In order to decrease the deformation of sintered parts, powders of different sizes were mixed. The effect of powder particle distribution and powder loading on the distortion of complex shaped compacts were investigated and evaluated. Smaller deformation of thelarge and complex shaped parts could be realized by using mixed powder with smallerparticle.

AB - Metal Injection Molding (MIM) process is suitable for fabricating small parts in large quantity. In this work, relatively large and complex shaped parts were prepared thorough MIM. In order to decrease the deformation of sintered parts, powders of different sizes were mixed. The effect of powder particle distribution and powder loading on the distortion of complex shaped compacts were investigated and evaluated. Smaller deformation of thelarge and complex shaped parts could be realized by using mixed powder with smallerparticle.

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