【摘要】：采用機(jī)械球磨法制備出了平均粒徑為188.9nm的三氨基硝酸胍(TAGN)炸藥,利用SEM、XRD和XPS分析了納米TAGN的微觀形貌、粒度分布、晶體結(jié)構(gòu)和表面元素。結(jié)果表明,球磨后TAGN的形貌呈條狀,粒度呈現(xiàn)正態(tài)分布,XRD圖譜與球磨前的XRD圖譜一致,并且XPS圖譜中只有C、N和O 3種元素,說明球磨過程中沒有雜質(zhì)引入。利用DSC-IR分析對納米TAGN的熱分解過程和產(chǎn)物進(jìn)行了詳細(xì)分析,證實(shí)其熱分解過程分為低溫和高溫兩個階段。低溫分解峰為225.7℃,主要產(chǎn)物為大量NH3及少量的N_2O和CO_2;高溫分解峰為263.9℃,主要分解產(chǎn)物為大量的N_2O和CO_2以及很少量的NH_3。
[Abstract]:Guanidine trinitrate (TAGN) explosives with average diameter of 188.9nm were prepared by mechanical ball milling. The morphology, particle size distribution, crystal structure and surface elements of nano-TAGN were analyzed by SEM,XRD and XPS. The results show that the morphology of TAGN after ball milling is stripe, the particle size is normal distribution, the XRD diagram is consistent with the XRD diagram before ball milling, and there are only three elements, Con N and O, in the XPS diagram, which indicates that no impurities are introduced in the milling process. The thermal decomposition process and products of nanometer TAGN were analyzed in detail by DSC-IR analysis. It was confirmed that the thermal decomposition process was divided into two stages: low temperature and high temperature. The decomposition peak at low temperature is 225.7 鈩，

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