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    • 3. 发明授权
    • Titanium alloy vacuum and vacuum part
    • 钛合金真空和真空部分
    • US06841265B2
    • 2005-01-11
    • US10312701
    • 2002-03-18
    • Hiroki KurisuMitsuru MatsuuraSetsuo YamamotoMasaki HesakaAtsushi Takemura
    • Hiroki KurisuMitsuru MatsuuraSetsuo YamamotoMasaki HesakaAtsushi Takemura
    • B01J3/00B01J3/03C22C14/00C23C8/12C23C8/16C23C16/44B23P15/00
    • C23C8/16C22C14/00Y10S428/923Y10T428/12993
    • The objective of the present invention is to provide a titanium alloy vacuum container and vacuum parts that can easily achieve an ultra-high vacuum in a short time through vacuum evacuation.The titanium alloy of the titanium alloy vacuum container and vacuum parts has a compact structure composed of fine grains, each having a size of approximately not more than 10 μm, with a surface that is exposed to at least vacuum being set to have a surface roughness of not more than 50 nm; and in this structure, preferably, the surface roughness thereof may be set to not more than 10 nm, the titanium alloy may have a hardness in a range of not less than 230 Hv to not more than 310 Hv, and the titanium alloy may have a passivity surface film made by a thin titanium oxide layer or nitride layer that is formed on the surface thereof. The titanium alloy, which is desirably used in such titanium alloy vacuum container and vacuum parts, contains 0.3 wt. % to 0.5 wt. % of iron and 0.3 wt. % to 0.5 wt. % of oxygen, and the remainder thereof is made from Ti obligatory impurities.
    • 本发明的目的是提供一种钛合金真空容器和真空部件,其可以通过真空排气在短时间内容易地实现超高真空。钛合金真空容器和真空部件的钛合金具有紧凑的结构 由细颗粒组成,每个细颗粒具有大约不超过10μm的尺寸,其中至少暴露于真空的表面被设定为具有不大于50nm的表面粗糙度; 在该结构中,优选其表面粗糙度可以设定为不大于10nm,钛合金的硬度可以在230Hv以上且不高于310Hv的范围内,并且钛合金可以具有 由形成在其表面上的薄氧化钛层或氮化物层制成的无源表面膜。 希望用于这种钛合金真空容器和真空部件中的钛合金含有0.3wt。 %至0.5wt。 铁含量为0.3% %至0.5wt。 的氧气,其余部分由Ti强制性杂质制成。
    • 8. 发明授权
    • High strength titanium alloy, product made of the titanium alloy and
method for producing the product
    • 高强度钛合金,钛合金制品及其制造方法
    • US5885375A
    • 1999-03-23
    • US952511
    • 1997-11-28
    • Atsushi TakemuraHachiro KushidaNorio HashimotoTadao EnomotoHideo Taguchi
    • Atsushi TakemuraHachiro KushidaNorio HashimotoTadao EnomotoHideo Taguchi
    • C22C14/00C22F1/18
    • C22F1/183C22C14/00
    • The present invention provides a high strength titanium alloy useful as a material for products such as ornaments, products such as ornaments made of the titanium alloy, and a method for producing the products using the titanium alloy as a material. The high strength titanium alloy is capable of attaining high machinability, and the product made of the titanium alloy is excellent in beauty and decorativeness while being hard to made flawed or concaved. According to the present invention, the titanium alloy includes iron of 0.20 to 0.8 mass percent and oxygen of 0.20 to 0.6 mass percent, or iron of 0.2 to 1.0 mass percent, oxygen of 0.15 to 0.6 mass percent and silicon of 0.20 to 1.0 mass percent, with the balance of titanium and inevitable impurities. A method for producing a product using the titanium alloy as a material includes a steps of hot forging the titanium alloy at a temperature of (.beta.-transformation temperature -200.degree. C.) or higher, and then cooling it, thereby giving a high strength to the product.
    • PCT No.PCT / JP97 / 01023 Sec。 371日期1997年11月28日 102(e)日期1997年11月28日PCT 1997年3月26日PCT公布。 第WO97 / 37049号公报 日期:1997年10月9日本发明提供可用作诸如装饰品的产品的材料的高强度钛合金,以及由钛合金制成的饰品等制品,以及使用该钛合金作为材料的制品的制造方法。 高强度钛合金能够获得高切削性,并且由钛合金制成的产品在美观和装饰性方面优异,同时难以制造有缺陷或凹陷。 根据本发明,钛合金含有0.20〜0.8质量%的铁,0.20〜0.6质量%的氧,0.2〜1.0质量%的铁,0.15〜0.6质量%的氧,0.20〜1.0质量%的硅, ,余量为钛和不可避免的杂质。 使用钛合金作为材料的产品的制造方法包括在(β-转变温度-200℃)以上的温度下热锻钛合金的工序,然后冷却,得到高强度 到产品。