摘要:
Fluorocarbon polymer coating composition and coating film include a fluorocarbon polymer powder, a binder and an additive comprised by a substance having a surface free energy smaller than that of the binder. The coating composition and coating film have improved resistance to deterioration with time of the water repellent properties of the film.
摘要:
An electrical contact material and method of producing the same are provided. The material is an internally oxidized silver eutectic alloy system with a main component of silver to which at least one of silicon and germanium is added and, for characteristic improvement purpose, at least one selected from at least one of the groups consisting respectively of gold, platinum and the like, titanium, rhenium and the like, and iron, cobalt and the like is further added. In producing the material, an ingot of said alloy is hot-worked and then internally oxidized at a temperature in a range from 250.degree. C. to the eutectic temperature of the alloy.
摘要:
Making a larger difference in water activity between electrodes elevates an output voltage of an electrochemical element. The electrochemical element includes a solid electrolyte membrane 5 made of a solid electrolyte and possessing a hydrogen ion conductivity, a first electrode 6 formed on one side of the solid electrolyte membrane 5 and functioning as a catalyst and possessing a hydrophilic property, and a second electrode 7 formed on the other side of the solid electrolyte membrane 5 and functioning as a catalyst and possessing a water-repellent property.
摘要:
An anode material for use in lithium based electrical cells is described. The anode material comprises a fine and uniform dispersion of second phase particles in lithium. The particles have an average particle size from about 0.5 .mu.M to about 40 .mu.M and are present at a concentration ranging from about 0.1 At % to about 10 At %. The anode material exhibits a reduction in dentrite and mossy Li formation, while maintaining the necessary mechanical properties of the material for easy working. The new anode demonstrates excellent cell performance and thermal stability.
摘要:
An oxidized film is formed on the surface of Mg or an Mg alloy, and a thermosetting resin film is formed on the oxidized film. A conductive film is further formed on the thermosetting film. The surface film of the Mg or Mg alloy thus surface-treated has a strong adhesion to the Mg or Mg alloy. The surface-treated Mg or Mg alloy has an excellent corrosion resistance, an excellent heat shock resistance, and a high surface conductivity.
摘要:
A water-repellent coating has tetrafluoroethylene resin powder, silicone resin binder, and organic solvent. The tetrafluoroethylene resin powder has a ratio of the peak absorbance at 1,800 cm−1 to the peak absorbance at 500 cm−1 of 0.0001 to 0.05 exclusive. A coating film is formed by applying such a coating on a substrate. The coating has the properties of high water repellency, excellent anti-ice-coating, excellent anti-snow-coating, and so on, in spite of not having a large amount of fluororesin powder. In addition, the coating of film keeps the water repellency regardless of whether the coating film is immersed into water for a long time.
摘要:
An aluminum film is formed on the surface of a substrate magnesium or magnesium alloy, and the resulting product is heated in a non-oxidizing or reducing gas having a high hydrostatic pressure at a temperature ranging from the eutectic point of the magnesium or magnesium alloy and the different metal to a temperature at or below which neither of the magnesium or magnesium alloy and the different metal is molten. This treatment provides a boundary layer between the aluminum film and the magnesium or magnesium alloy. This boundary layer is free from pinholes running from the interface of the aluminum film and the boundary layer to the magnesium or magnesium alloy ground. This surface-treated magnesium or magnesium alloy has excellent corrosion resistance surface electric conductivity, thermal conductivity and heat shock resistance.
摘要:
Manufacture of an aluminum-aluminum oxide dispersion composite conductive material (hereinafter referred to as Al-Al.sub.2 O.sub.3 dispersion composite conductive material) by compacting aluminum powder prepared by the atomization method, the particles having an oxide film with a thickness of about 100 A, and heat-treating the resultant compacted material in a vacuum or in a reducing gas or inert gas atmosphere at a temperature of 660.degree. to 700.degree.C. The composite conductive material thus obtained has a structure, in which the aluminum oxide is uniformly dispersed in aluminum, and it is capable of high speed wire drawing. Its electrical conductivity is 56.5 to 63.2 percent IACS (International Annealed Copper Standard), and its aluminum oxide content is 0.01 to 0.2 weight percent.
摘要翻译:通过压制通过雾化法制备的铝粉末制备铝 - 铝氧化物分散复合导电材料(以下称为Al-Al 2 O 3分散复合导电材料),具有厚度约为100A的氧化膜的颗粒和热 在真空中或在还原气体或惰性气体气氛中,在660℃至700℃的温度下,将得到的压实材料加热。由此获得的复合导电材料具有其中氧化铝均匀分散在铝中的结构, 并且能够高速拉丝。 其导电率为56.5〜63.2%IACS(国际退火铜标准),其氧化铝含量为0.01〜0.2重量%。