Titanium casting product for hot rolling and method for producing the same
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United States of America Patent
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Jul 16, 2019
Grant Date -
Oct 5, 2017
app pub date -
Sep 30, 2014
filing date -
Sep 30, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a titanium cast product made of commercially pure titanium, the titanium cast product being produced by electron-beam remelting or plasma arc melting, comprising: a melted and resolidified layer in a range of 1 mm or more in depth at a surface serving as a surface to be rolled, the melted and resolidified layer being obtained by adding one or more kinds of βstabilizer elements to the surface and melting and resolidifying the surface. An average value of β stabilizer element(s) concentration in a range of within 1 mm in depth is higher than βstabilizer element(s) concentration in a base material by, in mass %, equal to or more than 0.08 mass % and equal to or less than 1.50 mass %. As the material containing the β stabilizer element, powder, a chip, wire, or foil is used. As means for melting a surface layer, electron-beam heating and plasma arc heating are used.
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International Classification(s)
- C23C:COATING METALLIC MATERIAL; COATING MATERIAL WITH M....
- C22B:PRODUCTION OR REFINING OF METALS
- B22D:CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY ....
- C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....
- B21B:ROLLING OF METAL
- C22C:ALLOYS
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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