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Synthesis of nanocr...
Synthesis of nanocrystalline yttria through in-situ sulphated-combustion technique
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- Mangalaraja, Ramalinga Viswanathan (författare)
- Universidad de Concepción,University of Concepción, Chile
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- Ananthakumar, Solaiappan (författare)
- NIIST, Materials & Minerals Division, Kerala,National Institute ofr Interdisciplinary Science and Technology, India,Materials and Minerals Division
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- Mouzon, Johanne (författare)
- Luleå tekniska universitet,Industriell miljö- och processteknik,Luleå University of Technology,Division of Engineering Materials
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- Uma, Kasimayan (författare)
- Nagoya Institute of Technology
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- Lopez, Marta (författare)
- Universidad de Concepción,University of Concepción, Chile
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- Camurri, Carlos Porro (författare)
- Universidad de Concepción,University of Concepción, Chile
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- Odén, Magnus (författare)
- Luleå tekniska universitet,Materialvetenskap,Luleå University of Technology
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(creator_code:org_t)
- Ceramic Society of Japan, 2009
- 2009
- Engelska.
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Ingår i: Ceramic Society of Japan. Journal. - : Ceramic Society of Japan. - 1882-0743 .- 1348-6535. ; 117:1370, s. 1065-1068
- Relaterad länk:
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https://www.jstage.j...
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https://urn.kb.se/re...
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https://doi.org/10.2...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- An in-situ sulphated-combustion reaction was conducted on the precursor mixture consisting of yttrium nitrate, organic fuels (urea, citric acid and glycine) and 10 mol% ammonium sulphate [(NH4)(2)SO4] at 500 degrees C. Effect of sulphate addition on yttria particles morphology has been analyzed with respect to the types of fuels. In un-sulphated combustion, the calcined yttria powders showed rectangular particle morphology and low specific surface area. Whereas in sulphated-combustion spherical shaped yttria particles were achieved for glycine fuel. In the case of citric acid fuel, yttria powders with high specific surface area [26 m(2)/g] were obtained. For all the fuels, the sulphated-combustion reaction produced nanocrystalline yttria powders and they also had primary crystallite size below 4 nm in the as prepared conditions. Upon calcination at 1100 degrees C, these powders attained mean particle size of 50 nm which was confirmed by TEM.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Nyckelord
- Chemical Technology
- Kemisk teknologi
- Engineering Materials
- Materialteknik
- Yttria
- NATURAL SCIENCES
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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