Method for deoxidizing Al-Nb-Ti alloy
An al-nb-ti alloy technology, applied in the field of deoxidation of Al-Nb-Ti alloys, can solve the problems of increased manufacturing cost and time, unable to completely eliminate residual Ca, and deoxidation methods that are not described or implied, and achieve low cost effect
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[0023] In order to use the low-quality niobium material with a high oxygen content, the present inventors obtained a Ti-Al-Nb alloy (a Ti-Al-Nb alloy mainly composed of titanium as an active metal) with a targeted composition and a low oxygen content. alloys), and has been intensively studied.
[0024] As a result, the following idea was reached. It is technically and costly difficult to simultaneously reduce the oxygen content while controlling the desired composition, that is, an alloy composition mainly composed of titanium. After the Al-Nb-Ti alloy with a small content and mainly composed of aluminum, it is possible to mix the Al-Nb-Ti alloy with a low oxygen content and pure Ti with a low oxygen content obtained by a normal production method in an appropriate amount. A Ti—Al—Nb alloy mainly composed of titanium having a desired composition can be obtained relatively easily and at low cost.
[0025] Then, the present inventors found that the oxygen concentration (solid so...
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