Optical diagnosis of electrical explosion process of aluminum wire

Junping, 赵军平 Zhao; Qiaogen, 张乔根 Zhang; Qing, 周庆 Zhou; Wenyu, 燕文宇 Yan; Aici, 邱爱慈 Qiu

doi:10.3788/hplpb20122403.0544

Cited by 5 publications

(1 citation statement)

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“…And the formation of spheroidicity AlN nanoparticles samples is still high. The overheat factor values in our experiment were much larger than 1 (14.4-30.6, Table 1), which implied that majority of stored energy discharged during the second breakdown (arc plasma formation) [9,19] to form a region of high-density Al and N ions (or atoms) with high temperature (>10 4 K) [20]. On one hand, the active Al ions reacted with N ions to form AlN during the cooling process with higher possibility.…”

Section: Resultsmentioning

confidence: 68%

Production of AlN Nanopowders by Electrical Wire Explosion in Liquid Nitrogen

Gao

Chen

Wang

et al. 2018

MSF

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AlN nanopowders are successfully synthesized via electrical Al wire explosion in liquid nitrogen. After pickling in 15 % HCl-ethanel, the purified AlN nanopowders are characterized by various techniques. It is observed that the synthesized AlN nanoparticles are hexagonal AlN (h-AlN) exhibiting various shapes, including sphere, spheroidicity, polygon and hexagon. The results show that the charging voltage affects on the AlN content and the morphology of samples, significantly. Further more, it is observed that synthesized AlN particles in the size of 100-300 nm are coated by an amorphous layer mostly resulted from the high cooling rate in liquid nitrogen.

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Section: Resultsmentioning

confidence: 68%