Application of catalytic nanoparticles to high temperature water systems to reduce stress corrosion cracking
    2.
    发明授权
    Application of catalytic nanoparticles to high temperature water systems to reduce stress corrosion cracking 失效
    催化纳米粒子在高温水体系中的应用,减少应力腐蚀开裂

    公开(公告)号:US06793883B2

    公开(公告)日:2004-09-21

    申请号:US09681993

    申请日:2001-07-05

    IPC分类号: C23F1102

    摘要: A method and system for reducing stress corrosion cracking in a hot water system, such as a nuclear reactor, by reducing the electrochemical corrosion potential of components exposed to high temperature water within the structure. The method includes the steps of: providing a reducing species to the high temperature water; and providing a plurality of noble metal nanoparticles having a mean particle size of up to about 100 nm to the high temperature water during operation of the hot water system. The catalytic nanoparticles, which may contain at least one noble metal, form a colloidal suspension in the high temperature water and provide a catalytic surface on which a reducing species reacts with least one oxidizing species present in the high temperature water. The concentration of the oxidizing species is reduced by reaction with the reducing species on the catalytic surface, thereby reducing the electrochemical corrosion potential of the component.

    摘要翻译: 通过降低暴露在结构内的高温水的组分的电化学腐蚀电位,减少诸如核反应堆的热水系统中的应力腐蚀开裂的方法和系统。 该方法包括以下步骤:向高温水提供还原物质; 并且在热水系统的操作期间向高温水提供多个平均粒度高达约100nm的贵金属纳米颗粒。 可以含有至少一种贵金属的催化纳米颗粒在高温水中形成胶体悬浮液,并提供催化表面,还原物质与高温水中存在的至少一种氧化物质反应。 通过与催化剂表面上的还原物质反应来降低氧化物质的浓度,从而降低组分的电化学腐蚀电位。

    Method for making materials having artificially dispersed nano-size phases and articles made therewith
    5.
    发明授权
    Method for making materials having artificially dispersed nano-size phases and articles made therewith 有权
    用于制造具有人造分散的纳米尺寸相的材料的方法和由其制成的制品

    公开(公告)号:US06939388B2

    公开(公告)日:2005-09-06

    申请号:US10064510

    申请日:2002-07-23

    IPC分类号: C22C1/02 C22C1/10 B22F9/06

    摘要: A method for forming a nanocomposite material and articles made with the nanocomposite material are presented. The method comprises providing a molten material; providing a nano-sized material, the nano-sized material being substantially inert with respect to the molten material; introducing the nano-sized material into the molten material; dispersing the nano-sized material within the molten material using at least one dispersion technique selected from the group consisting of agitating the molten material using ultrasonic energy to disperse the nano-sized material within the molten material, introducing at least one active element into the molten material to enhance wetting of the nano-sized material by the molten material, and coating the nano-sized material with a wetting agent to promote wetting of the molten metal on the nano-sized material; and solidifying the molten material to form a solid nanocomposite material, the nanocomposite material comprising a dispersion of the nano-sized material within a solid matrix.

    摘要翻译: 提出了一种形成纳米复合材料的方法和用纳米复合材料制成的制品。 该方法包括提供熔融材料; 提供纳米尺寸的材料,所述纳米尺寸材料相对于所述熔融材料基本上是惰性的; 将纳米尺寸材料引入熔融材料中; 使用至少一种分散技术将纳米尺寸材料分散在熔融材料中,所述分散技术包括使用超声能量搅拌熔融材料以将纳米尺寸材料分散在熔融材料内,将至少一种活性元素引入熔融 材料,以通过熔融材料增强纳米尺寸材料的润湿,并用润湿剂涂覆纳米尺寸材料以促进熔融金属在纳米尺寸材料上的润湿; 以及固化所述熔融材料以形成固体纳米复合材料,所述纳米复合材料包含所述纳米尺寸材料在固体基质内的分散体。

    Steel alloy
    7.
    发明授权
    Steel alloy 失效
    钢合金

    公开(公告)号:US5820817A

    公开(公告)日:1998-10-13

    申请号:US901844

    申请日:1997-07-28

    摘要: A stainless steel comprises additives including at least one of rare earth elements and boron, so as to exhibit resistance to long term aging embrittlement. The stainless steel also contains balanced amounts of nickel and cobalt to minimize a ration of nickel to cobalt and optimize aging embrittlement resistance with as tempered toughness. The remainder of the stainless steel comprising, by weight percentage: ______________________________________ Carbon 0.08-0.15 Silicon 0.01-0.10 Chromium 8.00-13.00 At least one of Tungsten and Molybdenum 0.50-4.00 At least one Austenite stabilizer, 0.001-6.00 such as Nickel, Cobalt, Manganese and Copper Vanadium 0.25-0.40 Phosphorus 0.010 max. Sulfur 0.004 max. Nitrogen 0.060 max. Hydrogen 2 ppm max. Oxygen 50 ppm max. Aluminum 0.001-0.025 Arsenic 0.0060 max. Antimony 0.0030 max. Tin 0.0050 max. Iron Balance. ______________________________________

    摘要翻译: 不锈钢包括包含稀土元素和硼中的至少一种的添加剂,以显示出对长期老化脆化性的抵抗性。 不锈钢还含有平衡量的镍和钴,以最小化镍与钴的比例,并且通过回火韧性优化老化耐脆性。 不锈钢的剩余部分按重量百分比计包括:碳0.08-0.15-硅0.01-0.10 - 铬8.00-13.00 - 至少一种钨和钼0.50-4.00 - 至少一种奥氏体稳定剂,0.001-6.00 - 这样的 如镍,钴,锰和铜 - 钒0.25-0.40 - 磷0.010最大。 - 硫0.004最大 - 氮最大0.060 - 氢气最大2 ppm - 氧气最大50 ppm - 铝0.001-0.025 - 砷0.0060最大 - 锑0.0030最大 - 锡0.0050最大 - 铁平衡。 -

    Method for making materials having artificially dispersed nano-size phases and articles made therewith
    8.
    发明授权
    Method for making materials having artificially dispersed nano-size phases and articles made therewith 有权
    用于制造具有人造分散的纳米尺寸相的材料的方法和由其制成的制品

    公开(公告)号:US07465365B1

    公开(公告)日:2008-12-16

    申请号:US11150689

    申请日:2005-06-08

    IPC分类号: C22C38/00 C22C21/00

    摘要: A method for forming a nanocomposite material and articles made with the nanocomposite material are presented. The method comprises providing a molten material; providing a nano-sized material, the nano-sized material being substantially inert with respect to the molten material; introducing the nano-sized material into the molten material; dispersing the nano-sized material within the molten material using at least one dispersion technique selected from the group consisting of agitating the molten material using ultrasonic energy to disperse the nano-sized material within the molten material, introducing at least one active element into the molten material to enhance wetting of the nano-sized material by the molten material, and coating the nano-sized material with a wetting agent to promote wetting of the molten metal on the nano-sized material; and solidifying the molten material to form a solid nanocomposite material, the nanocomposite material comprising a dispersion of the nano-sized material within a solid matrix.

    摘要翻译: 提出了一种形成纳米复合材料的方法和用纳米复合材料制成的制品。 该方法包括提供熔融材料; 提供纳米尺寸的材料,所述纳米尺寸材料相对于所述熔融材料基本上是惰性的; 将纳米尺寸材料引入熔融材料中; 使用至少一种分散技术将纳米尺寸材料分散在熔融材料中,所述分散技术包括使用超声能量搅拌熔融材料以将纳米尺寸材料分散在熔融材料内,将至少一种活性元素引入熔融 材料,以通过熔融材料增强纳米尺寸材料的润湿,并用润湿剂涂覆纳米尺寸材料以促进熔融金属在纳米尺寸材料上的润湿; 以及固化所述熔融材料以形成固体纳米复合材料,所述纳米复合材料包含所述纳米尺寸材料在固体基质内的分散体。

    METHOD FOR MAKING MATERIALS HAVING ARTIFICIALLY DISPERSED NANO-SIZE PHASES AND ARTICLES MADE THEREWITH
    9.
    发明申请
    METHOD FOR MAKING MATERIALS HAVING ARTIFICIALLY DISPERSED NANO-SIZE PHASES AND ARTICLES MADE THEREWITH 有权
    制造具有人造纳米尺寸相位的材料的方法及其制造方法

    公开(公告)号:US20080289727A1

    公开(公告)日:2008-11-27

    申请号:US11150689

    申请日:2005-06-08

    IPC分类号: C22C38/00 C22C21/00

    摘要: A method for forming a nanocomposite material and articles made with the nanocomposite material are presented. The method comprises providing a molten material; providing a nano-sized material, the nano-sized material being substantially inert with respect to the molten material; introducing the nano-sized material into the molten material; dispersing the nano-sized material within the molten material using at least one dispersion technique selected from the group consisting of agitating the molten material using ultrasonic energy to disperse the nano-sized material within the molten material, introducing at least one active element into the molten material to enhance wetting of the nano-sized material by the molten material, and coating the nano-sized material with a wetting agent to promote wetting of the molten metal on the nano-sized material; and solidifying the molten material to form a solid nanocomposite material, the nanocomposite material comprising a dispersion of the nano-sized material within a solid matrix.

    摘要翻译: 提出了一种形成纳米复合材料的方法和用纳米复合材料制成的制品。 该方法包括提供熔融材料; 提供纳米尺寸的材料,所述纳米尺寸材料相对于所述熔融材料基本上是惰性的; 将纳米尺寸材料引入熔融材料中; 使用至少一种分散技术将纳米尺寸材料分散在熔融材料中,所述分散技术包括使用超声能量搅拌熔融材料以将纳米尺寸材料分散在熔融材料内,将至少一种活性元素引入熔融 材料,以通过熔融材料增强纳米尺寸材料的润湿,并用润湿剂涂覆纳米尺寸材料以促进在纳米尺寸材料上的熔融金属的润湿; 以及固化所述熔融材料以形成固体纳米复合材料,所述纳米复合材料包含所述纳米尺寸材料在固体基质内的分散体。

    Steel alloys
    10.
    发明授权
    Steel alloys 失效
    钢合金

    公开(公告)号:US5906791A

    公开(公告)日:1999-05-25

    申请号:US123761

    申请日:1998-07-27

    摘要: A steel comprises additives including rare earth elements, boron and at least one of rhenium, osmium, iridium, ruthenium, rhodium. The steel exhibits resistance to embrittlement, oxidation and creep. The steel also comprises balanced amounts of nickel and cobalt to minimize a ratio of nickel to cobalt, and optimize aging embrittlement resistance with as tempered toughness. The steel comprises, by weight percent: at least one of rhenium, osmium, iridium, ruthenium, rhodium (0.01 to 2.00); rare earth element (0.50 max.); boron (0.001-0.04); carbon (0.08-0.15); silicon (0.01-0.10); chromium (8.00-13.00); at least one of tungsten and molybdenum (0.01 to 2.00); at least one austenite stabilizer; such as nickel, copper, cobalt and manganese (0.001-6.00); vanadium (0.25-0.40); phosphorus (0.010 max.); sulfur (0.004 max.); nitrogen (0.060 max.); hydrogen (2 ppm max.); oxygen (50 ppm max.); aluminum (0.001-0.025); arsenic (0.0060 max.); antimony (0.0030 max.); tin (0.0050 max.); iron (balance).

    摘要翻译: 钢包括包括稀土元素,硼和铼,锇,铱,钌,铑中的至少一种的添加剂。 钢具有脆性,氧化和蠕变性。 该钢还包括平衡量的镍和钴以使镍与钴的比率最小化,并且以耐回火韧性优化老化耐脆性。 所述钢包含以重量百分比计:铼,锇,铱,钌,铑(0.01至2.00)中的至少一种; 稀土元素(最大0.50); 硼(0.001-0.04); 碳(0.08-0.15); 硅(0.01-0.10); 铬(8.00-13.00); 钨和钼中的至少一种(0.01至2.00); 至少一种奥氏体稳定剂; 例如镍,铜,钴和锰(0.001-6.00); 钒(0.25-0.40); 磷(0.010最大); 硫(最大0.004); 氮(最大0.060); 氢(最大2ppm); 氧(最大50 ppm); 铝(0.001-0.025); 砷(最高0.0060); 锑(最大0.0030); 锡(0.0050最大); 铁(平衡)。