摘要:
A process of fabricating a shield, a process of preparing a component, and an erosion shield are disclosed. The process of fabricating the shield includes forming a near-net shape shield. The near-net shape shield includes a nickel-based layer and an erosion-resistant alloy layer. The nickel-based layer is configured to facilitate secure attachment of the near-net shaped to a component. The process of preparing the component includes securing a near-net shape shield to a substrate of a component.
摘要:
A system for making a material having domains with insulated boundaries is provided. The system includes a droplet spray subsystem configured to create molten alloy droplets and direct the molten alloy droplets to a surface, a spray subsystem configured to direct a spray of an agent at deposited droplets on the surface. The agent creates insulation layers on the deposited droplets such that the droplets form a material having domains with insulated boundaries on the surface.
摘要:
A turbine engine component (10) with a protective aluminide coating (14) that include additions of silicon and a dopant, such as yttrium and/or hafnium, in an amount effective to reduce sulfidation and a deposition process for forming such aluminide coatings (14). A silicon-containing layer (30) may be applied to the superalloy substrate (12) of the component (10) and the aluminide coating (14) formed by exposing component (10) and layer (30) to a vapor phase reactant containing the dopant. The aluminide coating (14), which contains dopant from the layer (30), may operate as a standalone environmental coating or as a bond coating for an optional ceramic thermal barrier layer (24). An optional zirconia layer (26) maybe provided between the aluminide coating (14) and the ceramic thermal barrier layer (24). Alternatively, the dopant may be included in the silicon-containing layer (30) applied to the component (10) before the aluminide coating (14) is formed and no vapor phase reactant containing the dopant is required.
摘要:
A method for depositing a coating layer on at least a part of a surface of a substrate is described. The method includes supplying a coating substance to at least part of a surface of a substrate. The substrate is subjected to a relative movement with respect to a source of the coating substance. The surface tension of the coating substance is modified, at least locally, at least part of the time while the at least part of the substrate is subjected to the movement. A thickness of the coating layer is influenced by modifying the surface tension of the coating substance.
摘要:
A method of fabricating a liquid for an oxide thin film is provided, which includes mixing at least two kinds of dispersoids selected from the group consisting of a Zinc compound, an Indium compound, a Gallium compound, a Tin compound and a Thallium compound, with dispersion media corresponding to the selected dispersoids to form a dispersion system, and stirring and aging the dispersion system at a predetermined temperature for a predetermined time, wherein a molar ratio of the Zinc compound to each of the Indium compound, Gallium compound, Tin compound and Thallium compound is 1:0.1 to 1:2. According to the present invention, the liquid for the oxide thin film may be fabricated by a sol-gel method making it capable of being implemented in mass production in a simple and low-cost manner as opposed to the conventional vacuum deposition method.
摘要:
An object of the present invention is to provide a material for a precious metal tip of a spark plug, which has more excellent durability, particularly oxidation wear resistance than a conventional one. The precious metal alloy for the spark plug according to the present invention contains 0.2 to 6.0 wt. % Cr as an essential component, further at least any one of Fe or Ni, and the balance being Ir. Here, the amount of Fe and Ni to be added is preferably 2.0 to 12.0 wt. % in total. According to the present invention, the surface may be oxidized to form an oxide layer made from a Cr—Fe oxide, a Cr—Ni oxide or a Cr—Fe—Ni oxide. The oxide layer is formed by a diffusion treatment by heating the precious metal alloy at 300 to 900° C. in an oxidative atmosphere, and preferably has a thickness of 5 to 100 μm.
摘要:
The present invention is an alloy lump for R-T-B type sintered magnets, including an R2T14B columnar crystal and an R-rich phase (in which R is at least one rare earth element including Y, T is Fe or Fe with at least one transition metal element except for Fe, and B is boron or boron with carbon), in which in the as-cast state, R-rich phases nearly in the line-like or rod-like shape (the width direction of the line or rod is a short axis direction) are dispersed in the cross section, and the area percentage of the region where R2T14B columnar crystal grains have a length of 500 μm or more in the long axis direction and a length of 50 μm or more in the short axis direction is 10% or more of the entire alloy.
摘要:
The present invention is an alloy lump for R-T-B type sintered magnets, including an R2T14B columnar crystal and an R-rich phase (in which R is at least one rare earth element including Y, T is Fe or Fe with at least one transition metal element except for Fe, and B is boron or boron with carbon), in which in the as-cast state, R-rich phases nearly in the line-like or rod-like shape (the width direction of the line or rod is a short axis direction) are dispersed in the cross section, and the area percentage of the region where R2T14B columnar crystal grains have a length of 500 μm or more in the long axis direction and a length of 50 μm or more in the short axis direction is 10% or more of the entire alloy.
摘要翻译:本发明是一种用于RTB型烧结磁体的合金块,包括R 2 T 14 B柱状晶体和富R相(其中R为至少一个 包括Y,T的稀土元素是除Fe之外的至少一种过渡金属元素是Fe或Fe,B是具有碳的硼或硼),其中在铸态中,富R相几乎在线 - 横截面中分散有棒状或棒状(线或杆的宽度方向为短轴方向),R 2 2 T 14的区域的面积百分比 B柱状晶粒在长轴方向上的长度为500μm以上,短轴方向的长度为50μm以上,为整个合金的10%以上。
摘要:
A method for coating articles includes contacting a substrate with a mixture comprising a coating composition and a carrier fluid effective to wet at least a portion of the substrate, and removing the carrier fluid by microwave heating for a time and at a temperature effective to produce a coating comprising the coating composition on at least a portion of substrate. The coated articles may be useful in a variety of applications including ion, molecule, and gas separation/filtration; ion-exchanging; semiconductors; catalysis; and as electrodes, among others.
摘要:
A method of manufacturing metallic components consisting of at least two different materials, one of them being an iron-based alloy and the other an aluminum-based alloy, and involving the steps of: depositing a metallic layer onto the body made from the iron-based alloy, said layer being an aluminum-based alloy, preferably based on Al—Si or Fe, placing the coated body in a casting mold and casting an aluminum-based alloy about the coated body. Prior to placing the body in the casting mold, the metallic layer of the body is sprayed and/or blasted with silicon powder and/or Borax (Na2B4O7—10H2O, hydrated sodium borate).
摘要翻译:一种制造由至少两种不同材料组成的金属组件的方法,其中一种是铁基合金,另一种是铝基合金,包括以下步骤:将金属层沉积在由铁 - 所述层是铝基合金,优选基于Al-Si或Fe,将涂覆体放置在铸模中并且在涂覆体周围浇铸铝基合金。 在将本体放置在铸模中之前,用硅粉和/或硼砂(Na 2 B 4 O 4)喷射和/或喷射身体的金属层, N 2,水合硼酸钠)。