Evaluation of Repetitively Used Feedstock for Powder Injection Molding
This study investigates the effects of repetitive injection molding on the properties of feedstock using the AISI 4140 feedstock. The properties of feedstock are evaluated from the mixing homogeneity of powder and binder, rheological properties, and dimensional accuracy of parts sintered. The feedst...
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| Format: | Article |
| Language: | English |
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Polish Academy of Sciences
2022-11-01
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| Series: | Archives of Metallurgy and Materials |
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| Online Access: | https://journals.pan.pl/Content/125124/PDF/AMM-2022-4-42-Jang.pdf |
| _version_ | 1811179945753313280 |
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| author | Jin Man Jang |
| author_facet | Jin Man Jang |
| author_sort | Jin Man Jang |
| collection | DOAJ |
| description | This study investigates the effects of repetitive injection molding on the properties of feedstock using the AISI 4140 feedstock. The properties of feedstock are evaluated from the mixing homogeneity of powder and binder, rheological properties, and dimensional accuracy of parts sintered. The feedstock after the 1st injection molding shows a better homogeneity than as-received feedstock due to re-mixing effects between the screw and barrel during the injection molding process. As the number of recycling numbers increases, the homogeneity, viscosities ad shrinkage ratio of recycled feedstocks show slight differences with those of the as-received feedstock until the 6th molding injection. However, some rheological parameters like the moldability index sharply increased up to the 4th injection but shows a tendency to decrease thereafter. |
| first_indexed | 2024-04-11T06:43:13Z |
| format | Article |
| id | doaj.art-0b2a05466a5c42e39bf423a9ee775e5e |
| institution | Directory Open Access Journal |
| issn | 2300-1909 |
| language | English |
| last_indexed | 2024-04-11T06:43:13Z |
| publishDate | 2022-11-01 |
| publisher | Polish Academy of Sciences |
| record_format | Article |
| series | Archives of Metallurgy and Materials |
| spelling | doaj.art-0b2a05466a5c42e39bf423a9ee775e5e2022-12-22T04:39:25ZengPolish Academy of SciencesArchives of Metallurgy and Materials2300-19092022-11-01vol. 67No 415111515https://doi.org/10.24425/amm.2022.141084Evaluation of Repetitively Used Feedstock for Powder Injection MoldingJin Man Jang0https://orcid.org/0000-0002-0574-2711Korea Institute of Industrial Technology, Incheon, 21999, Republic of KoreaThis study investigates the effects of repetitive injection molding on the properties of feedstock using the AISI 4140 feedstock. The properties of feedstock are evaluated from the mixing homogeneity of powder and binder, rheological properties, and dimensional accuracy of parts sintered. The feedstock after the 1st injection molding shows a better homogeneity than as-received feedstock due to re-mixing effects between the screw and barrel during the injection molding process. As the number of recycling numbers increases, the homogeneity, viscosities ad shrinkage ratio of recycled feedstocks show slight differences with those of the as-received feedstock until the 6th molding injection. However, some rheological parameters like the moldability index sharply increased up to the 4th injection but shows a tendency to decrease thereafter.https://journals.pan.pl/Content/125124/PDF/AMM-2022-4-42-Jang.pdfpowder injection moldingrecyclingrheologyhomogeneityfeedstock |
| spellingShingle | Jin Man Jang Evaluation of Repetitively Used Feedstock for Powder Injection Molding Archives of Metallurgy and Materials powder injection molding recycling rheology homogeneity feedstock |
| title | Evaluation of Repetitively Used Feedstock for Powder Injection Molding |
| title_full | Evaluation of Repetitively Used Feedstock for Powder Injection Molding |
| title_fullStr | Evaluation of Repetitively Used Feedstock for Powder Injection Molding |
| title_full_unstemmed | Evaluation of Repetitively Used Feedstock for Powder Injection Molding |
| title_short | Evaluation of Repetitively Used Feedstock for Powder Injection Molding |
| title_sort | evaluation of repetitively used feedstock for powder injection molding |
| topic | powder injection molding recycling rheology homogeneity feedstock |
| url | https://journals.pan.pl/Content/125124/PDF/AMM-2022-4-42-Jang.pdf |
| work_keys_str_mv | AT jinmanjang evaluationofrepetitivelyusedfeedstockforpowderinjectionmolding |