Effect of microwave conditions on sintering of hydroxyapatite ceramics
In this work, Hydroxyapatite (HAp) was sintered by microwave and compared with the sintered samples by conventional method. The power levels of microwave were 450, 600, 900 W and the sintering temperatures were in the range from 750 to 1000 °C without isothermal holding. It was shown that t...
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| Format: | Article |
| Language: | English |
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International Institute for the Science of Sintering, Beograd
2020-01-01
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| Series: | Science of Sintering |
| Subjects: | |
| Online Access: | http://www.doiserbia.nb.rs/img/doi/0350-820X/2020/0350-820X2004469F.pdf |
| _version_ | 1818389965150617600 |
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| author | Faeghinia A. Ebadzadeh T. |
| author_facet | Faeghinia A. Ebadzadeh T. |
| author_sort | Faeghinia A. |
| collection | DOAJ |
| description | In this work, Hydroxyapatite (HAp) was sintered by microwave and compared
with the sintered samples by conventional method. The power levels of
microwave were 450, 600, 900 W and the sintering temperatures were in the
range from 750 to 1000 °C without isothermal holding. It was shown that the
using of higher power level at the same heating temperature increases the
density of sintered samples. Samples sintered in microwave at 1000 ºC by 900
W power reached a higher density of 95 % compared to the conventional
process (85 %), however in the case of using 450 W power, the densification
trend was almost similar to the conventional one. HAp to TCP phase
transformation was not detected at 1000 ºC; however, the preferred growth of
(211) planes corresponded to circular morphology was observed.
Microstructural observations showed larger grains (500 nm) and porosities
(300 nm) in the traditional sintered samples compared to the samples, which
were sintered by microwave (200 nm and 100 nm, respectively). |
| first_indexed | 2024-12-14T04:50:06Z |
| format | Article |
| id | doaj.art-394d7215c025441eb98179b0cd54d900 |
| institution | Directory Open Access Journal |
| issn | 0350-820X 1820-7413 |
| language | English |
| last_indexed | 2024-12-14T04:50:06Z |
| publishDate | 2020-01-01 |
| publisher | International Institute for the Science of Sintering, Beograd |
| record_format | Article |
| series | Science of Sintering |
| spelling | doaj.art-394d7215c025441eb98179b0cd54d9002022-12-21T23:16:33ZengInternational Institute for the Science of Sintering, BeogradScience of Sintering0350-820X1820-74132020-01-0152446947910.2298/SOS2004469F0350-820X2004469FEffect of microwave conditions on sintering of hydroxyapatite ceramicsFaeghinia A.0Ebadzadeh T.1Ceramic Division, Materials and Energy Research Centre, Tehran, IranCeramic Division, Materials and Energy Research Centre, Tehran, IranIn this work, Hydroxyapatite (HAp) was sintered by microwave and compared with the sintered samples by conventional method. The power levels of microwave were 450, 600, 900 W and the sintering temperatures were in the range from 750 to 1000 °C without isothermal holding. It was shown that the using of higher power level at the same heating temperature increases the density of sintered samples. Samples sintered in microwave at 1000 ºC by 900 W power reached a higher density of 95 % compared to the conventional process (85 %), however in the case of using 450 W power, the densification trend was almost similar to the conventional one. HAp to TCP phase transformation was not detected at 1000 ºC; however, the preferred growth of (211) planes corresponded to circular morphology was observed. Microstructural observations showed larger grains (500 nm) and porosities (300 nm) in the traditional sintered samples compared to the samples, which were sintered by microwave (200 nm and 100 nm, respectively).http://www.doiserbia.nb.rs/img/doi/0350-820X/2020/0350-820X2004469F.pdfmicrowave sinteringhydroxyapatitegrain size |
| spellingShingle | Faeghinia A. Ebadzadeh T. Effect of microwave conditions on sintering of hydroxyapatite ceramics Science of Sintering microwave sintering hydroxyapatite grain size |
| title | Effect of microwave conditions on sintering of hydroxyapatite ceramics |
| title_full | Effect of microwave conditions on sintering of hydroxyapatite ceramics |
| title_fullStr | Effect of microwave conditions on sintering of hydroxyapatite ceramics |
| title_full_unstemmed | Effect of microwave conditions on sintering of hydroxyapatite ceramics |
| title_short | Effect of microwave conditions on sintering of hydroxyapatite ceramics |
| title_sort | effect of microwave conditions on sintering of hydroxyapatite ceramics |
| topic | microwave sintering hydroxyapatite grain size |
| url | http://www.doiserbia.nb.rs/img/doi/0350-820X/2020/0350-820X2004469F.pdf |
| work_keys_str_mv | AT faeghiniaa effectofmicrowaveconditionsonsinteringofhydroxyapatiteceramics AT ebadzadeht effectofmicrowaveconditionsonsinteringofhydroxyapatiteceramics |