Effect of La2O3 addition on microstructure, morphology and pressure sensing behaviour of PZT based ceramics sintered in Al2O3 environment
International Conference on X-Rays and Related Techniques in Research and Industry (ICXRI 2010) jointly organized by Universiti Malaysia Perlis (UniMAP) and X-Ray Application Malaysia Society (XAPP), 9th - 10th June 2010 at Aseania Resort Langkawi, Malaysia
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2010
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my.unimap-90082010-08-23T05:45:49Z Effect of La2O3 addition on microstructure, morphology and pressure sensing behaviour of PZT based ceramics sintered in Al2O3 environment Mohammad Hafizuddin, Hj. Jumali Tio, Ying Ying Norhashimah, Ramli Muhammad, Mat Salleh Muhammad, Yahaya hafizhj@ukm.my PLZT Solid state reaction Tetragonal structure Morphological analysis Pressure sensing behaviour International Conference on X-Rays & Related Techniques in Research & Industry (ICXRI) International Conference on X-Rays and Related Techniques in Research and Industry (ICXRI 2010) jointly organized by Universiti Malaysia Perlis (UniMAP) and X-Ray Application Malaysia Society (XAPP), 9th - 10th June 2010 at Aseania Resort Langkawi, Malaysia Effect of La2O3 addition on microstructure, morphology and pressure sensing behaviour of (Pb1-x, Lax)(Zr0.52, Ti0.48)O3 based ceramics was studied in three different compositions of La2O3, namely x = 0.10, 0.12 and 0.15. The samples were prepared through a conventional solid-state reaction method using high purity metal oxides powders. In order to control the PbO losses due to high sintering temperature, a novel approach was explored whereby the samples were sintered in Al2O3 environment. Structural investigation using XRD revealed that all samples exhibited a tetragonal crystal structure. However the c/a ratios exhibited a decreasing trend as the La2O3 content increased, indicating that (Pb1-x, Lax)(Zr0.52, Ti0.48)O3 crystals gradually evolved towards pseudocubic structure. SEM micrographs showed that in all samples the grains have uniform pebble stone morphology. The average grain size reduced from ~ 4.5 μm to ~ 3.0 μm with the increment of La2O3 content. The performance of pressure sensing behaviour which was investigated using custom-made pressure chamber showed that sample with composition of x = 0.10 exhibited the best piezoelectric properties with high pressure sensitivity, good stability and repeatability. 2010-08-23T05:45:49Z 2010-08-23T05:45:49Z 2010-06-09 Article p.158-161 978-967-5760-02-0 http://hdl.handle.net/123456789/9008 en Proceedings of the International Conference on X-Rays & Related Techniques in Research & Industry (ICXRI) 2010 Universiti Malaysia Perlis School of Materials Engineering & School of Environmental Engineering |
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English |
| topic |
PLZT Solid state reaction Tetragonal structure Morphological analysis Pressure sensing behaviour International Conference on X-Rays & Related Techniques in Research & Industry (ICXRI) |
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PLZT Solid state reaction Tetragonal structure Morphological analysis Pressure sensing behaviour International Conference on X-Rays & Related Techniques in Research & Industry (ICXRI) Mohammad Hafizuddin, Hj. Jumali Tio, Ying Ying Norhashimah, Ramli Muhammad, Mat Salleh Muhammad, Yahaya Effect of La2O3 addition on microstructure, morphology and pressure sensing behaviour of PZT based ceramics sintered in Al2O3 environment |
| description |
International Conference on X-Rays and Related Techniques in Research and Industry (ICXRI 2010) jointly organized by Universiti Malaysia Perlis (UniMAP) and X-Ray Application Malaysia Society (XAPP), 9th - 10th June 2010 at Aseania Resort Langkawi, Malaysia |
| author2 |
hafizhj@ukm.my |
| author_facet |
hafizhj@ukm.my Mohammad Hafizuddin, Hj. Jumali Tio, Ying Ying Norhashimah, Ramli Muhammad, Mat Salleh Muhammad, Yahaya |
| format |
Article |
| author |
Mohammad Hafizuddin, Hj. Jumali Tio, Ying Ying Norhashimah, Ramli Muhammad, Mat Salleh Muhammad, Yahaya |
| author_sort |
Mohammad Hafizuddin, Hj. Jumali |
| title |
Effect of La2O3 addition on microstructure, morphology and pressure sensing behaviour of PZT based ceramics sintered in Al2O3 environment |
| title_short |
Effect of La2O3 addition on microstructure, morphology and pressure sensing behaviour of PZT based ceramics sintered in Al2O3 environment |
| title_full |
Effect of La2O3 addition on microstructure, morphology and pressure sensing behaviour of PZT based ceramics sintered in Al2O3 environment |
| title_fullStr |
Effect of La2O3 addition on microstructure, morphology and pressure sensing behaviour of PZT based ceramics sintered in Al2O3 environment |
| title_full_unstemmed |
Effect of La2O3 addition on microstructure, morphology and pressure sensing behaviour of PZT based ceramics sintered in Al2O3 environment |
| title_sort |
effect of la2o3 addition on microstructure, morphology and pressure sensing behaviour of pzt based ceramics sintered in al2o3 environment |
| publisher |
Universiti Malaysia Perlis |
| publishDate |
2010 |
| url |
http://dspace.unimap.edu.my/xmlui/handle/123456789/9008 |
| _version_ |
1643789347402547200 |
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13.214268 |