Titanium composite material and titanium material for hot rolling
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United States of America Patent
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Feb 16, 2021
Grant Date -
Aug 2, 2018
app pub date -
Jul 29, 2016
filing date -
Jul 29, 2015
priority date (Note) -
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Abstract
A titanium composite material 1 is provided that includes: an inner layer 5 consisting of a commercially pure titanium or a titanium alloy; an outer layer 3 formed on at least one surface of the inner layer 5 and having a chemical composition that is different from a chemical composition of the inner layer 5; and an intermediate layer formed between the inner layer 5 and the outer layer 3 and having a chemical composition that is different from the chemical composition of the inner layer 5. The thickness of the outer layer 3 is 2 μm or more, and occupies no more than 40% of the overall thickness per side. The thickness of the intermediate layer is 0.5 μm or more. Despite being inexpensive, this titanium composite material has desired characteristics.
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