Focused Ion Beam Milling as a Method for Machining Explosive Crystals

被引：0
|
作者：
Stirrup, Kerry-Ann M. [1 ]
Gilpin, Christopher J. [2 ]
Chen, Weinong W. [1 ,3 ]
机构：
[1] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA
[2] Purdue Univ, Electron Microscopy Core Facil, W Lafayette, IN 47907 USA
[3] Iowa State Univ, Dept Aerosp Engn, Ames, IA USA
来源：
PROPELLANTS EXPLOSIVES PYROTECHNICS | 2024年 / 49卷 / 12期
关键词：
focused ion beam milling; machining; methods; porosity;
D O I：
10.1002/prep.202400083
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Experimental pore collapse studies have traditionally relied on machining methods that are mechanically active and result in rough surfaces, added stresses, and premature material fractures which are a source of experimental error. This work focuses on the method development and the results of adapting the focused ion beam to mill micro and nano-scale pores with increased geometrical freedom into explosive crystals. Results include developing a simplified mathematical relationship between the electron beam energy and mill rate, assessments of pore quality, and material and machine-specific optimal milling parameters.
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页数：8
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