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Title: Evaluation of Polyimide/Carbon Composite Films for Capsule Support

Abstract

Capsules in National Ignition Facility targets are conventionally supported by thin polymer films. Recent experiments have shown that these films add significant perturbations to the implosion. Here in this paper, we evaluate stiffer polyimide composite films for use in a new target design that has been predicted to reduce these perturbations. The films are evaluated by their contact radius to the capsule for different deflections and the force they generate at those deflections to center the capsule. We find that a composite film with a single-sided coating of carbon produces the best results and show the performance of these films in target assemblies, highlighting the importance of the indentation depth.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1497276
Report Number(s):
LLNL-JRNL-733163
Journal ID: ISSN 1536-1055; 884896
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Fusion Science and Technology
Additional Journal Information:
Journal Volume: 73; Journal Issue: 2; Journal ID: ISSN 1536-1055
Publisher:
American Nuclear Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Stadermann, M., Aracne-Ruddle, C., Florio, J., Felker, S., Bigelow, J., Johnson, S., Lairson, B., and Betcher, J. Evaluation of Polyimide/Carbon Composite Films for Capsule Support. United States: N. p., 2017. Web. doi:10.1080/15361055.2017.1372989.
Stadermann, M., Aracne-Ruddle, C., Florio, J., Felker, S., Bigelow, J., Johnson, S., Lairson, B., & Betcher, J. Evaluation of Polyimide/Carbon Composite Films for Capsule Support. United States. doi:10.1080/15361055.2017.1372989.
Stadermann, M., Aracne-Ruddle, C., Florio, J., Felker, S., Bigelow, J., Johnson, S., Lairson, B., and Betcher, J. Tue . "Evaluation of Polyimide/Carbon Composite Films for Capsule Support". United States. doi:10.1080/15361055.2017.1372989. https://www.osti.gov/servlets/purl/1497276.
@article{osti_1497276,
title = {Evaluation of Polyimide/Carbon Composite Films for Capsule Support},
author = {Stadermann, M. and Aracne-Ruddle, C. and Florio, J. and Felker, S. and Bigelow, J. and Johnson, S. and Lairson, B. and Betcher, J.},
abstractNote = {Capsules in National Ignition Facility targets are conventionally supported by thin polymer films. Recent experiments have shown that these films add significant perturbations to the implosion. Here in this paper, we evaluate stiffer polyimide composite films for use in a new target design that has been predicted to reduce these perturbations. The films are evaluated by their contact radius to the capsule for different deflections and the force they generate at those deflections to center the capsule. We find that a composite film with a single-sided coating of carbon produces the best results and show the performance of these films in target assemblies, highlighting the importance of the indentation depth.},
doi = {10.1080/15361055.2017.1372989},
journal = {Fusion Science and Technology},
number = 2,
volume = 73,
place = {United States},
year = {2017},
month = {11}
}

Journal Article:
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