Magnesium-lithium alloy, rolled material, formed article, and process for producing same
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United States of America Patent
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Jul 18, 2017
Grant Date -
Sep 6, 2012
app pub date -
Dec 25, 2009
filing date -
Sep 11, 2009
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Abstract
The present invention provides a magnesium-lithium alloy having both corrosion resistance and cold workability balanced at high levels, a certain degree of tensile strength, and very light weight, as well as a rolled material and a formed article made of this alloy. The alloy of the invention contains not less than 10.5 mass % and not more than 16.0 mass % Li, not less than 0.50 mass % and not more than 1.50 mass % Al, and the balance of Mg, and has an average crystal grain size of not smaller than 5 μm and not larger than 40 μm, and a tensile strength of not lower than 150 MPa or a Vickers hardness (HV) of not lower than 50.
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