奈良工業高等専門学校...˘ˇˆ˙ ˝˛*ˇ˚˜ !**ˇ"# $%ˇ&’ ()ˇ*+ ,-.*** Powder...

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Transcript of 奈良工業高等専門学校...˘ˇˆ˙ ˝˛*ˇ˚˜ !**ˇ"# $%ˇ&’ ()ˇ*+ ,-.*** Powder...

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Powder Metallurgy implemented to the Hands-on Education for Introducing Metalworking Technology to Young Students

Yukinori TANIGUCHI, Kouki OKUMURA*, Toshifumi NAKANISHI** Mitsunori OZAKI, Tatsumi ICHISE and Koutaro YAMANO***

In this paper, we propose applying Powder Metallurgy (PM) as a theme of workshop practice which aims to

give young students interest in manufacturing technology or material science. Three technical procedures, (1)

Simplified metal powder forming method, (2) Using silicone for a means of self making mold, (3) Special

sintering method that uses ordinary microwave oven, have been suggested in order to conduct the workshop

practice in the common classroom without any special devices. We have held several workshops for young

students at our school and junior high school. In the workshop, the copper powder with ager binder was casted

into a silicone mold, and was successfully formed to desired shape without compaction pressure. Sintering was

demonstrated in the classroom and it seemed that every student had enjoyed looking how the PM parts are

produced. The results of questionnaire show that the all student had enjoyed and almost all students have got

interest in metalworking technology after proposed workshop. It is concluded that proposed procedures are very

effective as a means to introduce the knowledge of manufacturing technology to young students or kids.

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