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.

引用

页数：8

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