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Related Experiment Videos

Sample test array and recovery (STAR) platform at the National Ignition Facility.

Nathan W Moore1, Kate S Bell1, Haley Hilborn1

  • 1Sandia National Laboratories, 1515 Eubank Blvd. SE, Albuquerque, New Mexico 87123, USA.

The Review of Scientific Instruments
|July 10, 2021
PubMed
Summary

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This summary is machine-generated.

The new Sample Test Array and Recovery (STAR) platform enhances materials research at the National Ignition Facility (NIF). This platform enables faster, more versatile experiments on material responses in extreme conditions.

Area of Science:

  • Materials Science
  • High-Energy Physics
  • Thermodynamics

Background:

  • Studying material behavior under extreme conditions is crucial for advancements in various scientific fields.
  • The National Ignition Facility (NIF) offers unique capabilities for high-energy density physics experiments.

Purpose of the Study:

  • To introduce the Sample Test Array and Recovery (STAR) platform for materials research at NIF.
  • To detail the expanded capabilities of the STAR platform for studying thermal and hydrodynamic responses.
  • To demonstrate the platform's utility in high-fluence materials experiments.

Main Methods:

  • Development and implementation of the STAR platform at NIF.
  • Conducting experiments with fluences ranging from 0.56-34 J/cm² (with isolation) and up to 1740 J/cm² (without isolation).

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  • Achieving surface heating rates up to 2 × 10¹⁴ K/s.

    • Main Results:

    • The STAR platform significantly expands obtainable fluences and quadruples the experimental rate at NIF.
    • Demonstrated capability for environmental isolation, enabling post-shot material recovery and inspection.
    • Successful execution of experiments probing material responses under extreme thermal and hydrodynamic loads.

    Conclusions:

    • The STAR platform represents a significant advancement for materials science research at NIF.
    • It enables a broader range of experiments and accelerates the pace of discovery in extreme environments.
    • Future research can leverage STAR for detailed analysis of material shock and spallation phenomena.