Fabrication of high-quality transparent ceramic powders with novel co-precipitation method
High-quality yttria has been successfully synthesised with chloride derived salt solution and ammonium hydrogen carbonate precipitant. The synthesised powder has a near-spherical morphology and an average diameter of 61.5nm. Based on FE-SEM. From FTIR and XRD analysis, synthesised yttria was concl...
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2022
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sg-ntu-dr.10356-1561422022-04-05T07:10:20Z Fabrication of high-quality transparent ceramic powders with novel co-precipitation method Tan, Shao Yun Dong Zhili School of Materials Science and Engineering ZLDong@ntu.edu.sg Engineering::Materials::Ceramic materials High-quality yttria has been successfully synthesised with chloride derived salt solution and ammonium hydrogen carbonate precipitant. The synthesised powder has a near-spherical morphology and an average diameter of 61.5nm. Based on FE-SEM. From FTIR and XRD analysis, synthesised yttria was concluded to be a pure sample. According to FWHM, some particles have small particles attached to it after calcination. But the structure should not have an impact on sintering quality. Current process only achieved a 17% yield which is caused by excessive HCl added when preparing the salt solution. Bachelor of Engineering (Materials Engineering) 2022-04-05T07:10:20Z 2022-04-05T07:10:20Z 2022 Final Year Project (FYP) Tan, S. Y. (2022). Fabrication of high-quality transparent ceramic powders with novel co-precipitation method. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/156142 https://hdl.handle.net/10356/156142 en application/pdf Nanyang Technological University |
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Engineering::Materials::Ceramic materials Tan, Shao Yun Fabrication of high-quality transparent ceramic powders with novel co-precipitation method |
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High-quality yttria has been successfully synthesised with chloride derived salt solution and ammonium hydrogen carbonate precipitant.
The synthesised powder has a near-spherical morphology and an average diameter of 61.5nm. Based on FE-SEM. From FTIR and XRD analysis, synthesised yttria was concluded to be a pure sample. According to FWHM, some particles have small particles attached to it after calcination. But the structure should not have an impact on sintering quality.
Current process only achieved a 17% yield which is caused by excessive HCl added when preparing the salt solution. |
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Dong Zhili |
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Dong Zhili Tan, Shao Yun |
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Final Year Project |
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Tan, Shao Yun |
author_sort |
Tan, Shao Yun |
title |
Fabrication of high-quality transparent ceramic powders with novel co-precipitation method |
title_short |
Fabrication of high-quality transparent ceramic powders with novel co-precipitation method |
title_full |
Fabrication of high-quality transparent ceramic powders with novel co-precipitation method |
title_fullStr |
Fabrication of high-quality transparent ceramic powders with novel co-precipitation method |
title_full_unstemmed |
Fabrication of high-quality transparent ceramic powders with novel co-precipitation method |
title_sort |
fabrication of high-quality transparent ceramic powders with novel co-precipitation method |
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Nanyang Technological University |
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2022 |
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https://hdl.handle.net/10356/156142 |
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1729789507260121088 |