Uticaj metil metakrilatoma kao akrilnog veziva na mašinsku obradljivost ispresaka alumine
Influence of methyl methacrylate as an acrylic binder on a green machining of alumina ceramics
2019
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Authors
Kokunešoski, MajaKićević, Dušan
Šaponjić, Đorđe
Ilić, Svetlana M.
Egelja, Adela
Šaponjić, Aleksandra
Article (Published version)
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Ispitana je mogućnost primene metil metakrilata, MMA, kao akrilnog veziva u pripremi keramičkog praha alumine za presovanje sa namerom da se poboljša mašinska obradljivost ispresaka od alumine. Poređene su osobine ispresaka i osobine njima odgovarajućih sinterovanih uzoraka koji su pripremljeni sa i bez akrilnog veziva. Visoka gustina ispresaka sa MMA (2,35 g/cm3) u odnosu na ispreske samo od alumine (2,11 g/cm3) formiranih pod optimalnim pritiskom presovanja od 60 MPa, ukazuje na uticaj akrilata na poboljšano pakovanje praha alumine i njihovu odličnu mašinsku obradljivost; kod sinterovanih uzoraka povećana je poroznost, a smanjene su gustina i procenat linearnog skupljanja. Pokazano je da se mašinskom obradom ispresaka alumine sa MMA, mogu napraviti složene forme poput keramičkog zavrtnja ili keramički delovi sklopova, sa velikim mogućnostima komercijalne primene.
Investigated the possibility of using methyl methacrylate (MMA) as an acrylic binder in the preparation of ceramic powder of alumina for pressing with the intention of improving machinability of alumina flakes. Compared the properties of the green bodies and the properties of their corresponding sintered samples that are prepared with and without acrylic binder. The achieved higher density of green bodies with MMA (2.35 g/cm3) compared to green bodies without MMA (2.11 g/cm3) were formed under the optimal pressure of 60 MPa, indicating the improved packing of alumina powder with addition of acrylate. In the case of sintered samples, the porosities were increased, and the density and percentage of linear shrinkage were reduced. It has been shown that machining of green bodies, prepared with MMA, can be produced in the form of complex ceramic products of alumina like a screw with a nut and with great possibilities of commercial application.
Keywords:
alumina / akrilna veziva / metil metakrilat / mašinska obradljivost ispresaka / alumina / acrylic binder / methyl methacrylate / green machiningSource:
Zaštita materijala, 2019, 60, 2, 157-161Funding / projects:
- Hydrogen Energy - Research and Development of New Materials: Electrolytic Hydrogen Production, Hydrogen Fuel Cells, Isotope Effects (RS-MESTD-Basic Research (BR or ON)-172045)
DOI: 10.5937/zasmat1902157K
ISSN: 0351-9465; 2466-2585
Scopus: 2-s2.0-85137676605
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VinčaTY - JOUR AU - Kokunešoski, Maja AU - Kićević, Dušan AU - Šaponjić, Đorđe AU - Ilić, Svetlana M. AU - Egelja, Adela AU - Šaponjić, Aleksandra PY - 2019 UR - https://vinar.vin.bg.ac.rs/handle/123456789/10939 AB - Ispitana je mogućnost primene metil metakrilata, MMA, kao akrilnog veziva u pripremi keramičkog praha alumine za presovanje sa namerom da se poboljša mašinska obradljivost ispresaka od alumine. Poređene su osobine ispresaka i osobine njima odgovarajućih sinterovanih uzoraka koji su pripremljeni sa i bez akrilnog veziva. Visoka gustina ispresaka sa MMA (2,35 g/cm3) u odnosu na ispreske samo od alumine (2,11 g/cm3) formiranih pod optimalnim pritiskom presovanja od 60 MPa, ukazuje na uticaj akrilata na poboljšano pakovanje praha alumine i njihovu odličnu mašinsku obradljivost; kod sinterovanih uzoraka povećana je poroznost, a smanjene su gustina i procenat linearnog skupljanja. Pokazano je da se mašinskom obradom ispresaka alumine sa MMA, mogu napraviti složene forme poput keramičkog zavrtnja ili keramički delovi sklopova, sa velikim mogućnostima komercijalne primene. AB - Investigated the possibility of using methyl methacrylate (MMA) as an acrylic binder in the preparation of ceramic powder of alumina for pressing with the intention of improving machinability of alumina flakes. Compared the properties of the green bodies and the properties of their corresponding sintered samples that are prepared with and without acrylic binder. The achieved higher density of green bodies with MMA (2.35 g/cm3) compared to green bodies without MMA (2.11 g/cm3) were formed under the optimal pressure of 60 MPa, indicating the improved packing of alumina powder with addition of acrylate. In the case of sintered samples, the porosities were increased, and the density and percentage of linear shrinkage were reduced. It has been shown that machining of green bodies, prepared with MMA, can be produced in the form of complex ceramic products of alumina like a screw with a nut and with great possibilities of commercial application. T2 - Zaštita materijala T1 - Uticaj metil metakrilatoma kao akrilnog veziva na mašinsku obradljivost ispresaka alumine T1 - Influence of methyl methacrylate as an acrylic binder on a green machining of alumina ceramics VL - 60 IS - 2 SP - 157 EP - 161 DO - 10.5937/zasmat1902157K ER -
@article{ author = "Kokunešoski, Maja and Kićević, Dušan and Šaponjić, Đorđe and Ilić, Svetlana M. and Egelja, Adela and Šaponjić, Aleksandra", year = "2019", abstract = "Ispitana je mogućnost primene metil metakrilata, MMA, kao akrilnog veziva u pripremi keramičkog praha alumine za presovanje sa namerom da se poboljša mašinska obradljivost ispresaka od alumine. Poređene su osobine ispresaka i osobine njima odgovarajućih sinterovanih uzoraka koji su pripremljeni sa i bez akrilnog veziva. Visoka gustina ispresaka sa MMA (2,35 g/cm3) u odnosu na ispreske samo od alumine (2,11 g/cm3) formiranih pod optimalnim pritiskom presovanja od 60 MPa, ukazuje na uticaj akrilata na poboljšano pakovanje praha alumine i njihovu odličnu mašinsku obradljivost; kod sinterovanih uzoraka povećana je poroznost, a smanjene su gustina i procenat linearnog skupljanja. Pokazano je da se mašinskom obradom ispresaka alumine sa MMA, mogu napraviti složene forme poput keramičkog zavrtnja ili keramički delovi sklopova, sa velikim mogućnostima komercijalne primene., Investigated the possibility of using methyl methacrylate (MMA) as an acrylic binder in the preparation of ceramic powder of alumina for pressing with the intention of improving machinability of alumina flakes. Compared the properties of the green bodies and the properties of their corresponding sintered samples that are prepared with and without acrylic binder. The achieved higher density of green bodies with MMA (2.35 g/cm3) compared to green bodies without MMA (2.11 g/cm3) were formed under the optimal pressure of 60 MPa, indicating the improved packing of alumina powder with addition of acrylate. In the case of sintered samples, the porosities were increased, and the density and percentage of linear shrinkage were reduced. It has been shown that machining of green bodies, prepared with MMA, can be produced in the form of complex ceramic products of alumina like a screw with a nut and with great possibilities of commercial application.", journal = "Zaštita materijala", title = "Uticaj metil metakrilatoma kao akrilnog veziva na mašinsku obradljivost ispresaka alumine, Influence of methyl methacrylate as an acrylic binder on a green machining of alumina ceramics", volume = "60", number = "2", pages = "157-161", doi = "10.5937/zasmat1902157K" }
Kokunešoski, M., Kićević, D., Šaponjić, Đ., Ilić, S. M., Egelja, A.,& Šaponjić, A.. (2019). Uticaj metil metakrilatoma kao akrilnog veziva na mašinsku obradljivost ispresaka alumine. in Zaštita materijala, 60(2), 157-161. https://doi.org/10.5937/zasmat1902157K
Kokunešoski M, Kićević D, Šaponjić Đ, Ilić SM, Egelja A, Šaponjić A. Uticaj metil metakrilatoma kao akrilnog veziva na mašinsku obradljivost ispresaka alumine. in Zaštita materijala. 2019;60(2):157-161. doi:10.5937/zasmat1902157K .
Kokunešoski, Maja, Kićević, Dušan, Šaponjić, Đorđe, Ilić, Svetlana M., Egelja, Adela, Šaponjić, Aleksandra, "Uticaj metil metakrilatoma kao akrilnog veziva na mašinsku obradljivost ispresaka alumine" in Zaštita materijala, 60, no. 2 (2019):157-161, https://doi.org/10.5937/zasmat1902157K . .