The study of high-speed surface dynamics using a pulsed proton beam | Zendy

W. T. Buttler | Zendy; David Oro | Zendy; Dean L. Preston | Zendy; Karnig O. Mikaelian | Zendy; F. J. Cherne | Zendy; R. S. Hixson | Zendy; Fesseha Mariam | Zendy; C. L. Morris | Zendy; Joseph B. Stone | Zendy; Guillermo Terrones | Zendy; D. Tupa | Zendy

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The study of high-speed surface dynamics using a pulsed proton beam

Author(s) -

W. T. Buttler,

David Oro,

Dean L. Preston,

Karnig O. Mikaelian,

F. J. Cherne,

R. S. Hixson,

Fesseha Mariam,

C. L. Morris,

Joseph B. Stone,

Guillermo Terrones,

D. Tupa

Publication year - 2012

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.3686446

Subject(s) - ejecta , limiting , bubble , laser doppler velocimetry , instability , velocimetry , beam (structure) , mechanics , physics , measure (data warehouse) , spike (software development) , materials science , optics , astrophysics , mechanical engineering , supernova , computer science , engineering , medicine , blood flow , database , software engineering

We present experimental results supporting physics based ejecta model development, where we assume ejecta form as a special limiting case of a Richtmyer-Meshkov (RM) instability with Atwood number A = -1. We present and use data to test established RM spike and bubble growth rate theory through application of modern laser Doppler velocimetry techniques applied in a novel manner to coincidentally measure bubble and spike velocities from shocked metals. We also explore the link of ejecta formation from a solid material to its plastic flow stress at high-strain rates ($107/s) and high strains (700%).

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