1:1化学计量比Al/PVP-燃料和nc-CeO2-oxidizer纳米复合材料的能量学研究
Investigation of energetics of 1:1 stoichiometric Al/PVP-fuel and nc-CeO2-oxidizer nanocomposite material
摘要:
本章第5节详细介绍了纳米结构铝(纳米铝)基热氧化反应属性的研究。选择两种产物进行热氧化反应研究。它们分别是(1)嵌入PVP基质中的纳米Al(将被称为燃料)和(2)其与超细nc-ceria氧化剂处理的物理混合的1:1化学计量的纳米复合材料(也将被称为纳米含能材料(NEM))。下面的图形摘要说明了采用热重分析(TGA)研究跟踪的燃料热氧化反应的概述。对所设计的NEM进行类似的TGA实验,以收集验证是否实现了所需的增强属性的科学信息。此外,与TGA氧化事件一致,在差示扫描量热法(DSC)跟踪中观察到同步放热能量释放事件。利用TGA/DTA和TGA/DSC热迹对上述两种产物及其热氧化反应行为进行了比较和解释。
英文摘要:
The investigations of the nanostructured-Al (nano-Al) based thermo-oxidative reaction attributes are detailed in this chapter-5. Two products are selected for the thermo-oxidative reaction studies. They are (1) Nano-Al embedded in the PVP matrix (will be termed as fuel) and (2) its physically mixed 1:1 stoichiometric nanocomposite processed with the ultrafine nc-ceria oxidizer (also will be termed as nanoenergetic material (NEM)), respectively. The graphical abstract presented below illustrates an overview of the thermo-oxidative reaction of fuel tracked employing thermogravimetric analysis (TGA) investigation. Similar TGA experimentation of the designed NEMs is carried out to gather scientific information validating, whether or not a desired enhanced attribute is achieved. Also, in coincidence with the TGA oxidation event, a synchronous exothermic energy release event in differential scanning calorimetry (DSC) trace is observed. The above mentioned two products and their thermo-oxidative reaction behavior employing TGA/DTA and TGA/DSC thermal traces are compared and interpreted based on the data available in the literature.
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