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    • 1. 发明公开
    • HIGH-PURITY TITANIUM INGOTS, MANUFACTURING METHOD THEREFOR, AND TITANIUM SPUTTERING TARGET
    • HOCHREINETITANBLÖCKE,HERSTELLUNGSVERFAHRENDAFÜRUND TITAN-SPUTTERINGTARGET
    • EP2772327A1
    • 2014-09-03
    • EP13748626.2
    • 2013-02-13
    • JX Nippon Mining & Metals Corporation
    • YAGI, KazutoHINO, EijiSHINDO, Yuichiro
    • B22D21/06C22B9/22C22B34/12C22C1/02C22C14/00C23C14/34
    • C23C14/3414C22B9/22C22B9/228C22B34/1295C22C1/02C22C1/03C22C1/1084C22C14/00H01J37/3426
    • Provided is a high-purity titanium ingot having a purity, excluding an additive element and gas components, of 99.99 mass% or more, wherein at least one nonmetallic element selected from S, P, and B is contained in a total amount of 0.1 to 100 mass ppm as the additive component and the variation in the content of the nonmetallic element between the top, middle, and bottom portions of the ingot is within ±200%. Provided is a method of manufacturing a titanium ingot containing a nonmetallic element in an amount of 0.1 to 100 mass ppm, wherein S, P, or B, which is a nonmetallic element, is added to molten titanium as an intermetallic compound or a master alloy to produce a high-purity titanium ingot having a purity, excluding an additive element and gas components, of 99.99 mass% or more. It is an object of the present invention to provide a high-purity titanium having decreased intra- and inter-ingot variations in the content of the nonmetallic element, a uniform structure, and improved strength by containing at least one nonmetallic element selected from S, P, and B.
    • 本发明提供一种纯度不高于99.99质量%以上的添加元素和气体成分的高纯钛锭,其中,选自S,P,B中的至少一种非金属元素的含量为0.1〜 100质量ppm作为添加成分,并且锭的顶部,中部和底部之间的非金属元素的含量变化在±200%以内。 提供一种制造含有0.1〜100质量ppm的非金属元素的钛锭的方法,其中作为非金属元素的S,P或B被添加到作为金属间化合物或母合金的熔融钛中 制造纯度不高于99.99质量%以上的添加元素和气体成分的高纯度钛锭。 本发明的一个目的是提供一种通过含有至少一种非金属元素选自S,S,C,C,C的组合,其中非金属元素含量的变化不均匀,结构均匀,强度提高, P和B.