原料粉末粒度分布制御によるMIM 大形複雑形状品の変形抑制

長田 稔子, 櫻井 亮輔, 橋川 龍一, 津守 不二夫, 三浦 秀士, 戸田 欽二

研究成果: Contribution to journalArticle査読

抄録

ABSTRACT<br><br>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. As smaller the particle size of mixed powder, tap density of powder were decreased. However, sintered density and shrinkage were increased. Although high powder loading increased the viscosity during the injection molding, decreased the shrinkage of sintered compact. From these results, smaller deformation of the large and complex shaped parts could be realized by using smaller particle size of mixed powder and higher powder loading.
寄稿の翻訳タイトルDeformation Control of Large Sized MIM Parts by Changing the Powder Size Distribution
本文言語日本語
ページ(範囲)108-113
ページ数6
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
62
3
DOI
出版ステータス出版済み - 2015

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