Crystallization of Beryllium-Boron Metallic Glasses

Jankowski, A F; Wall, M A; Nieh, T G

doi:10.1016/S0022-3093(02)01993-2

Crystallization of Beryllium-Boron Metallic Glasses

Conference · Thu Feb 14 04:00:00 EST 2002

DOI:https://doi.org/10.1016/S0022-3093(02)01993-2· OSTI ID:15005447

Jankowski, A F; Wall, M A; Nieh, T G

Prior studies of evaporation and sputter deposition show that the grain size of pure beryllium can be dramatically refined through the incorporation of metal impurities. Recently, the addition of boron at a concentration greater than 11% is shown to serve as a glassy phase former in sputter deposited beryllium. Presently, thermally induced crystallization of the beryllium-boron metallic glass is reported. The samples are characterized during an in-situ anneal treatment with bright field imaging and electron diffraction using transmission electron microscopy. A nanocrystalline structure evolves from the annealed amorphous phase and the crystallization temperature is affected by the boron concentration.

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Research Organization:: Lawrence Livermore National Lab., CA (US)

Sponsoring Organization:: US Department of Energy (US)

DOE Contract Number:: W-7405-ENG-48

OSTI ID:: 15005447

Report Number(s):: UCRL-JC-147456

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
BERYLLIUM
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CRYSTALLIZATION
DEPOSITION
ELECTRON DIFFRACTION
EVAPORATION
GLASS
GRAIN SIZE
IMPURITIES
METALLIC GLASSES
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Crystallization of Beryllium-Boron Metallic Glasses

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References (24)

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