Dynamic materials evaluation by confined plasma ablation and laser-generated shocks

Dennis L. Paisley; D. C. Swift; A. C. Forsman; George A. Kyrala; Randall P. Johnson; Roger A. Kopp; Allan A. Hauer; Justin S. Wark; A. Loveridge; A. M. Allen; Daniel H. Kalantar

doi:10.1117/12.407370

16 August 2000 Dynamic materials evaluation by confined plasma ablation and laser-generated shocks

Dennis L. Paisley, D. C. Swift, A. C. Forsman, George A. Kyrala, Randall P. Johnson, Roger A. Kopp, Allan A. Hauer, Justin S. Wark, A. Loveridge, A. M. Allen, Daniel H. Kalantar

Author Affiliations +

Proceedings Volume 4065, High-Power Laser Ablation III; (2000) https://doi.org/10.1117/12.407370
Event: High-Power Laser Ablation, 2000, Santa Fe, NM, United States

Abstract

Laser-generated shocks can and have been used to study their effects on single crystal materials during shock compression. While a crystal undergoes shock compression and release, the transient x- ray diffraction (TXD) of the Bragg and Laue signals is indicative of the change in the crystal lattice spacing. The lattice spacing directly relates to the strain in the crystal. From the dynamic lattice data, strain, strain rate, and/or phase change in a material may be determined. Confined ablation plasmas can efficiently launch a flyer plate for direct impact on a target material imparting a well-characterized shock input and generate kilobar to megabar pressure pulses over a wide range of pulse duration (<EQ 1 - >= 20 ns). The laser-launched flyer plates are analogous to those launched by gas guns, but the smaller size provides an experimental method not easily accessible by larger gas gun experiments. With lasers, diagnostic equipment can be easily synchronized to study dynamic material parameters, i.e., single crystal shock dynamics, interfacial bond strengths of thin coatings, grain-interfaces, texture, and high strain rates (10⁶ - 10⁹ sec^-1).

Citation Download Citation

Dennis L. Paisley, D. C. Swift, A. C. Forsman, George A. Kyrala, Randall P. Johnson, Roger A. Kopp, Allan A. Hauer, Justin S. Wark, A. Loveridge, A. M. Allen, and Daniel H. Kalantar "Dynamic materials evaluation by confined plasma ablation and laser-generated shocks", Proc. SPIE 4065, High-Power Laser Ablation III, (16 August 2000); https://doi.org/10.1117/12.407370

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available