File:Electrostatic Levitation of a Titanium-Zirconium-Nickel Alloy.jpg

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Description	This is a close-up of a sample of titanium-zirconium-nickel alloy inside the Electrostatic Levitator (ESL) vacuum chamber at NASA's Marshall Space Flight Center (MSFC). The ESL uses static electricity to suspend an object (about 3-4 mm in diameter) inside a vacuum chamber allowing scientists to record a wide range of physical properties without the sample contracting the container or any instruments, conditions that would alter the readings. Once inside the chamber, a laser heats the sample until it melts. The laser is then turned off and the sample cools, changing from a liquid drop to a solid sphere. Since 1977, the ESL has been used at MSFC to study the characteristics of new metals, ceramics, and glass compounds. Materials created as a result of these tests include new optical materials, special metallic glasses, and spacecraft components.
Date	1 January 2003
Source	nasaimages.org (alternate)
Author	NASA/MSFC/Emmett Given

This image or video was catalogued by Marshall Space Flight Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: MSFC-0301559.

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