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  • Effects of Graphite Type, Purity and Concentration on Grease Performance (.pdf)
    Abstract: The performance of six different graphite powders, as wear additives, was evaluated in clay filled polyalphaolefin (PAO) grease base. Neat PAO and PAO blends with each of four types of graphite were evaluated. Friction and wear performance were evaluated using ASTM D2266 and ASTM D2596
  • Ball Milling
    by thermal annealing. Essentially the method consists of placing graphite powder (99.8% purity) into a stainless steel container along with four hardened steel balls. The container is purged, and argon is introduced. The milling is carried out at room temperature for up to 150 hours. Following milling
  • Polyimide
    of graphite, boron, quartz, or organic materials. Molding compounds, on the other hand, contain discrete fibers such as chopped glass or asbestos, or particulate fillers such as graphite powders, MOS2, or PTFE. Polyimide films and wire enamels are generally unfilled. Coatings may be pigmented or filled
  • U.S. and International Fuel Cell Patents | December 2006 | FCT | 7MS.com
    for producing graphite powder with an increased bulk density, Michael Spahr, Davide Cattaneo, and Klaus Streb, Timcal AG (CH). U.S. 7,115,233 (20061003), Reformer, Tatsunori Okada, Kenji Kawaguchi, and Hideo Ichimura, Mitsubishi Denki Kabushiki Kaisha (JP). U.S. 7,115,244 (20061003), Hydrogen storage
  • U.S. Patents | December 2006 | A B T | 7MS.com
    7,115,221 (20061003), Method for producing graphite powder with an increased bulk density, Michael Spahr, Davide Cattaneo, and Klaus Streb, Timcal AG (CH). U.S. 7,115,233 (20061003), Reformer, Tatsunori Okada, Kenji Kawaguchi, and Hideo Ichimura, Mitsubishi Denki Kabushiki Kaisha (JP). U.S. 7,115,244
  • Metals and Ceramics
    if mixed with particular transition metals and fired to 580 to 1,000 C in carbon monoxide. Applications include general ceramic-to-metal soldering as well as very thermodynamically stable braze joints on standard alumina compositions, zirconia, and graphite.
  • Bearings that bear up
    are probably the simplest and least expensive of all. They blend polymers, such as PTFE and nylon, with molybdenum disulfide, graphite, and other inorganic powders to lower friction and add strength. Dry bearings closely conform to the shape of their mating shaft or thrust surface and are mostly
  • Porous-Metal Bearings
    as particle size of tin or copper powder in the mix decreases. Graphite additions result in growth but always lower the strength of the bearings. Lubricants used in the mix have only a slight influence on dimensional change, but a more pronounced effect on the apparent density and flow rate. After

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