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Moldability of nano size zirconia for powder injection molding process by using PEG and PMMA binders

Powder injection molding (PIM) is a well-known manufacturing technique for the production of metal and ceramic near net shapes. Now-a-days, this technology is largely used in electronics, biomedical, aerospace, automotive, defence and telecommunication industries. In this paper, green parts of ZrO2...

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Main Authors: Al Basir,, Abu Bakar Sulong,, Etta Eshak,, Najlaa Nazihah Mas’ood,, Nashrah Hani Jamadon,, Norhamidi Muhamad,
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2020
Online Access:http://journalarticle.ukm.my/15340/1/18.pdf
http://journalarticle.ukm.my/15340/
http://www.ukm.my/jkukm/volume-322-2020/
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spelling my-ukm.journal.153402020-10-12T01:29:20Z http://journalarticle.ukm.my/15340/ Moldability of nano size zirconia for powder injection molding process by using PEG and PMMA binders Al Basir, Abu Bakar Sulong, Etta Eshak, Najlaa Nazihah Mas’ood, Nashrah Hani Jamadon, Norhamidi Muhamad, Powder injection molding (PIM) is a well-known manufacturing technique for the production of metal and ceramic near net shapes. Now-a-days, this technology is largely used in electronics, biomedical, aerospace, automotive, defence and telecommunication industries. In this paper, green parts of ZrO2 with polyethylene glycol (PEG), polymethyl methacrylate (PMMA) and stearic acid (SA) binders were prepared by PIM process. The average particle size of ZrO2 powder was 50 nm with pycnometer density of 6.054 g/cm3. The ZrO2 powder was mixed with binder content of 73 wt.% PEG, 25 wt.% PMMA and 2 wt.% SA. The rheological results showed pseudoplastic properties of the feedstock at 140 °C and 160 °C, which was suitable for PIM process. The suitable injection molding parameters for feedstock at 51 vol.% powder loading such as mold temperature, injection temperature, injection pressure and holding time were 60 °C, 160 °C, 10 bar and 8 s, respectively. At the same powder loading, the green part density of 3.60 g/cm3 was measured, whereas for the three-point flexural, the measured strength was in the range of 13-15 MPa. For structural analysis, the morphological properties of the powder as well as the surface and the cross-section of the green part was examined. Penerbit Universiti Kebangsaan Malaysia 2020 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/15340/1/18.pdf Al Basir, and Abu Bakar Sulong, and Etta Eshak, and Najlaa Nazihah Mas’ood, and Nashrah Hani Jamadon, and Norhamidi Muhamad, (2020) Moldability of nano size zirconia for powder injection molding process by using PEG and PMMA binders. Jurnal Kejuruteraan, 32 (2). pp. 335-339. ISSN 0128-0198 http://www.ukm.my/jkukm/volume-322-2020/
institution Universiti Kebangsaan Malaysia
building Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description Powder injection molding (PIM) is a well-known manufacturing technique for the production of metal and ceramic near net shapes. Now-a-days, this technology is largely used in electronics, biomedical, aerospace, automotive, defence and telecommunication industries. In this paper, green parts of ZrO2 with polyethylene glycol (PEG), polymethyl methacrylate (PMMA) and stearic acid (SA) binders were prepared by PIM process. The average particle size of ZrO2 powder was 50 nm with pycnometer density of 6.054 g/cm3. The ZrO2 powder was mixed with binder content of 73 wt.% PEG, 25 wt.% PMMA and 2 wt.% SA. The rheological results showed pseudoplastic properties of the feedstock at 140 °C and 160 °C, which was suitable for PIM process. The suitable injection molding parameters for feedstock at 51 vol.% powder loading such as mold temperature, injection temperature, injection pressure and holding time were 60 °C, 160 °C, 10 bar and 8 s, respectively. At the same powder loading, the green part density of 3.60 g/cm3 was measured, whereas for the three-point flexural, the measured strength was in the range of 13-15 MPa. For structural analysis, the morphological properties of the powder as well as the surface and the cross-section of the green part was examined.
format Article
author Al Basir,
Abu Bakar Sulong,
Etta Eshak,
Najlaa Nazihah Mas’ood,
Nashrah Hani Jamadon,
Norhamidi Muhamad,
spellingShingle Al Basir,
Abu Bakar Sulong,
Etta Eshak,
Najlaa Nazihah Mas’ood,
Nashrah Hani Jamadon,
Norhamidi Muhamad,
Moldability of nano size zirconia for powder injection molding process by using PEG and PMMA binders
author_facet Al Basir,
Abu Bakar Sulong,
Etta Eshak,
Najlaa Nazihah Mas’ood,
Nashrah Hani Jamadon,
Norhamidi Muhamad,
author_sort Al Basir,
title Moldability of nano size zirconia for powder injection molding process by using PEG and PMMA binders
title_short Moldability of nano size zirconia for powder injection molding process by using PEG and PMMA binders
title_full Moldability of nano size zirconia for powder injection molding process by using PEG and PMMA binders
title_fullStr Moldability of nano size zirconia for powder injection molding process by using PEG and PMMA binders
title_full_unstemmed Moldability of nano size zirconia for powder injection molding process by using PEG and PMMA binders
title_sort moldability of nano size zirconia for powder injection molding process by using peg and pmma binders
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2020
url http://journalarticle.ukm.my/15340/1/18.pdf
http://journalarticle.ukm.my/15340/
http://www.ukm.my/jkukm/volume-322-2020/
_version_ 1680321977587335168
score 13.211869

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