LLNL-PRES-725632

This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. Lawrence Livermore National Security, LLC

Overview of the LLNL Target Fabrication S&TTarget Fabrication Meeting 2017

Las Vegas

Michael Stadermann

March 13th, 2017

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We are pursuing both long-term and short-term research goals based on Physics priorities

1. Qualify ablator materials.

2. Mitigate capsule support

perturbations.

3. Mitigate the fill tube

perturbations.

4. Improve drive symmetry with

hohlraum modifications

5. Develop new materials and

capabilities

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Development of plastic and HDC capsules is continuing

Baxamusa, Tu 8:20

Si-PDVB

Lepro-Chavez, Tu 9:20

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Electroplating and sputter coating are being investigated for gradient alloy shells

Bae, Tu Poster

Horwood, Wed 8:40

Wang, Wed 9:00

Pt

Ra = 19 nm

10 µmCu mandrel

Outer surface

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New capsule support methods have been investigated to mitigate tent impact

Clark, Tu 8:00

Aracne-Ruddle, Tu Poster

Bigelow, Tu Poster

Weber, Wed 10:40

Felker, Wed 11:00

Crippen, Wed 11:20

Alfonso, Wed 11:40

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Foam-lined hohlraums are being developed to reduce wall motion and improve drive symmetry

Bhandarkar, Tu 10:20

Heredia, Tu Poster

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Additive manufacturing foams present possible alternate routes to hohlraum foams

Biener, Tu 10:40

Oakdale, Tu 11:00

Bunn, Thu 10:20

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New processes for ultra-low density metal foam production are being developed

Kim, Wed 14:20

1 mm

2 µm10

µm Fears, Wed 14:00

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Cryogenic research focuses on improving control over the layering process

Walters, Mo Poster

Sater, Mo Poster

Shin, Mo PosterKucheyev, Tu 12:00

Braun, Wed 9:40

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Coining and bonding techniques for strength and EOS targets have been improved

Nguyen,

Mo Poster

Davis, Tu Poster

Pt

Cu

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Summary

1. We are continuing work on plastic, HDC, and Be ablators and

are developing new metal shell ablator methods.

2. We have developed a number of alternative capsule support

methods.

3. We have produced a number of approaches to line hohlraums

with foams and have developed new methods for producing

foams.

4. We are working on methods to improve control over the

layering process.

5. We have developed new bonding techniques for EOS and

strength targets.