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Title: Fluidjet machining of energetic materials

Conference ·
OSTI ID:10120072
; ;  [1];  [2]
  1. Lawrence Livermore National Lab., CA (United States)
  2. Mason and Hanger-Silas Mason Co., Inc., Amarillo, TX (United States)

Fluidjet machining phenomena have been analyzed as a potential method for dismantling nuclear weapons in a way that is environmentally clean, efficient and safe. Preliminary experiments and analyses have revealed that at small standoff distances there is no mass removal from the workpiece, and that far from the nozzle there exists an optimum standoff distance at which the mass removal rate is a maximum. Such results suggest a mass-removal process due to the droplets and ligaments impinging on the material that cause sudden pressure increases in the impact regions. This proposed material-removal mechanism has been addressed theoretically by considering a series of multiple droplet impacts on a material. The calculated results display a series of pressure peaks at the target surface as each of these droplets strikes the material, supporting the plausibility of the proposed mass-removal scenario at the optimum standoff distance. Further experiments and analyses are planned to verify the proposed mechanism of mass removal by means of fluidjet machining processes.

Research Organization:
Lawrence Livermore National Lab., CA (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
10120072
Report Number(s):
UCRL-JC-114826; CONF-940348-1; ON: DE94006052
Resource Relation:
Conference: International symposium on energetic materials technology and exhibits,Orlando, FL (United States),21-24 Mar 1994; Other Information: PBD: Jan 1994
Country of Publication:
United States
Language:
English