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Thread: Carborundum Klins

  1. #1
    GoogleFu San steeley's Avatar
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    Carborundum Klins

    The making of stones and grinding wheels with Carborundum
    first what is it .

    It all began with a failed experiment.



    It was in 1890. In a small Pennsylvania town, the inventor Edward Goodrich Acheson carried out a series of experiments. He tried to heat carbon so intensely that it would result in diamond.



    It didn't work.



    So Acheson began mixing clay with carbon and electrically fusing it. The result was a product with shiny specks that were hard enough to scratch glass.



    This was silicon carbide. Also known as carborundum.



    The next year Acheson formed his company in Monongehela, PA and named it Carborundum, and moved the organization to Niagara Falls, NY in 1895.

    [IMG][/IMG]

    Carborundum (silicon carbide) is produced artifically in large quantities as an abrasive. Most is crushed and used in griding grits and abrasive papers. This specimen shows coarsely crystallised hexagonal plates of silicon carbide, with typical rainbow irridescent surface colours.
    A clever cook can make good meat of a whetstone.” Erasmus

  2. #2
    GoogleFu San steeley's Avatar
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    Now just need to grind ,form , shape and bake .
    [IMG][/IMG]

    [IMG][/IMG]

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    A clever cook can make good meat of a whetstone.” Erasmus

  3. #3
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    [IMG][/IMG]

    [IMG][/IMG]

    On February 28, 1893, Edward Goodrich Acheson (1856–1931) patented a method for making an industrial abrasive he called "Carborundum" or silicon carbide. On May 19, 1896, Edward Goodrich Acheson was also issued a patent for an electrical furnace used to produce carborundum. The United States Patent Office named carborundum as one of the 22 patents most responsible for the industrial age (1926). According to the National Inventors Hall of Fame, "without carborundum, the mass production manufacturing of precision-ground, interchangeable metal parts would be practically impossible."

    Acheson went on to discover that when carborundum was heated to a high temperature it produced an almost pure and perfected form of graphite that could be used as a lubricant. He patented his graphite-making process in 1896.

    During his lifetime, Edward Goodrich Acheson was granted 70 patents for industrial abrasives, several graphite products, processes for the reduction of oxides, and refractories.

    Earlier in Acheson's career, the inventor had worked for Thomas A. Edison. In 1880, Acheson helped in the development of the incandescent lamp at Edison's laboratories at Menlo Park, N.J.
    A clever cook can make good meat of a whetstone.” Erasmus

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    And some ladies from Kyoto i like the ship in the back ground.
    [IMG][/IMG]
    A clever cook can make good meat of a whetstone.” Erasmus

  5. #5
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    Hmong using the stone.
    [IMG][/IMG]

    [IMG][/IMG]
    A clever cook can make good meat of a whetstone.” Erasmus

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    Other uses too. We use tons and tons and tons of it in making cast iron. Not sure about steel. Maybe as a ladle addition? I don't see why it wouldn't work there too.

    -AJ

  7. #7

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