Synthesis of nano-alumina powder via recrystallization of ammonium alum
نویسندگان
چکیده
منابع مشابه
On the Study of Mechanical Properties of Aluminum/Nano-Alumina Composites Produced via Powder Injection Molding
Powder Injection Molding (PIM) is a precision manufacturing process used for production of advanced composites. Mixing of polymeric binder with metal powders, molding of feedstock, de-binding of brown parts and sintering of green samples are four main steps of this process. In the present study, the compounds containing multi-component binder system and aluminum/ nano-alumina (0-9 wt.%) powders...
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15 صفحه اولEffect of pH on the combustion synthesis of nano-crystalline alumina powder
Synthesis of nano-crystalline alumina powder by a chemical pyrophoric reaction using citric acid and ammonia was investigated by varying the pH of the precursor solution, which played an important role in controlling the morphology of the synthesised powder. The flaky morphology obtained at pH = 2 could be modified to fine desegregated particulate form by varying the pH of the solution to 10. T...
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Microwave assisted combustion synthesis is used for fast and controlled processing of advanced ceramics. Single phase and sinter active nano crystalline alpha alumina powders were successfully synthesized by different fuel-to-oxidant molar ratios using aluminium nitrate as an oxidiser, glycine as a reducing agents and millipore water as a solvent by microwave assisted combustion synthesis. Ther...
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Este cunoscut că metoda sol gel este una din metodele neconvenţionale de obţinere a pulberilor ceramice. În studiul realizat s-a avut în vedere obţinerea şi caracterizarea de nanopulberi de Al2O3 prin metoda sol-gel, aceasta putand fi un potential material utilizat la realizarea de implanturi biocompatibile.[1,2,3,4] In vederea sintezei s-a pornit de la precursori de natură chimică diferită – a...
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ژورنال
عنوان ژورنال: Cerâmica
سال: 2019
ISSN: 1678-4553,0366-6913
DOI: 10.1590/0366-69132019653742636