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首页> 外文期刊>Advanced Powder Technology: The internation Journal of the Society of Powder Technology, Japan >Effect of fuel type on the aminolysis synthesis of CrN powders from combustion synthesis precursors
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Effect of fuel type on the aminolysis synthesis of CrN powders from combustion synthesis precursors

机译：燃料型对燃烧合成前体CrN粉末氨基溶液的影响

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摘要

CrN nanopowders were synthesized by the aminolysis method by using the low temperature combustion synthesis (LCS) precursor derived from the mixed solution of chromium nitrate and alanine, or urea, or glycine, or citric acid. Effects of fuel type on the particle size and morphology of precursors and their corresponding aminolysis powders were studied in detail. It was found that the use of different types of fuel in solution, had a significant effect on the particle size and morphology of precursors and their corresponding aminolysis powders. Moreover, the optimized fuel type (glycine) yielded the precursor with high specific surface area and reactivity. The characteristics of aminolysis powders were found similar to those of their corresponding precursor. The CrN powders derived from glycine and synthesized at 750 degrees C for 6 h were comprised of well-distributed spherical particles, exhibiting high specific surface area (32.5 m(2)/g) with an average size of 30-50 nm. (C) 2018 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
机译：通过使用衍生自硝酸铬和丙氨酸的混合溶液，或尿素或甘氨酸或柠檬酸的衍生自衍生的低温燃烧合成（LCS）前体来合成CRN纳米粉末。详细研究了燃料类型对前体粒径和形态的影响及其相应的氨基溶剂。结果发现，在溶液中使用不同类型的燃料，对前体的粒度和形态和它们相应的氨基溶剂的粒度和形态产生显着影响。此外，优化的燃料型（甘氨酸）产生具有高比表面积和反应性的前体。发现氨基溶剂的特征与它们相应的前体的特征类似。衍生自甘氨酸并在750℃下合成6小时的CrN粉末由良性分布的球形颗粒组成，具有平均尺寸为30-50nm的高比表面积（32.5μm（2）/ g）。 （c）2018年日本粉末科技学会。由elsevier b.v发表。和日本粉末科技会。版权所有。

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