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Synthesis,characterization and sintering behavior influencing mechanical,thermal and physical properties of pure cordierite and cordierite-ceria

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Journal of Advanced Ceramics 2015年第1期4卷 22-30页

作者： Marikkannan SENtHIL KUMAr Ayyasamy ELAYA PErUMAL t.r.vijayaram School of Mechanical Building and Sciences VIT UniversityChennai-600127Tamil Nadu StateIndia Department of Mechanical Engineering Anna UniversityChennai-600025Tamil Nadu StateIndia

the study of cordierite ceramic is the need of the hour in present technological world for various advanced engineering ***,which has relatively poor mechanical properties,has induced the use of various dopants to study the improvement in mechanical *** of seeking new materials with good mechanical properties has revived the research on ceria doped *** research conducted on pure cordierite and ceria doped cordierite ceramics has investigated the results of characterization and studied their *** cordierite and cordierite-ceria(CeO_(2))composite ceramics synthesized for various stoichiometric composition(5-20 wt%)were compacted at 240 MPa and sintered between 600℃and 1350℃for 3 *** characterization techniques used in this study were X-ray diffraction(XrD),thermogravimetric(tG)analysis and Fourier transform infrared(FtIr).the density was calculated using the Archimedes *** of the ceria addition on cordierite’s mechanical properties such as hardness,flexural strength and fracture toughness and on thermal properties as thermal expansion was *** results confirmed the presence of cordierite and ceria in the samples heat treated at 1350℃.results of FtIr and tG analyses revealed the formation of cordierite and the effect of ceria *** mechanical properties studied were found to be encouraging and confirmed the suitability of cordierite-ceria as an alternate material for cordierite.

关键词： cordierite ceria(CeO_(2)) temperature phase transformation properties

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Empirical results on the Environmental Sustainability in Melaka City

Empirical Results on the Environmental Sustainability in Mel...

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2011 International Conference on Biotechnology and Environment Management ( ICBEM 2011）

作者： Noor Mohammad t.r. vijayaram Hafiz Bin Hassan Multi Media University Melaka Campus Melaka Campus Multi Media University Melaka Campus

Melaka is notable in its historical events currently listed as a UNESCO Heritage Sites facing a lot of environmental pollutions in Malaysia. Some important initiatives such as different types of environmental enactments including international have also been made to address these issues. the study will examine the results on the environmental sustainability issues based on the people’s perceptions based on the primary and secondary sources consisting of 100 respondents in the different criteria such as lecturers, foreigners, workers, employees, common people, students, security personnel etc.

关键词： Environmental Sustainability.

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