Most U.S. steel is made in massive, slow-acting, open-hearth furnaces. Last week U.S. Steel Corp. announced tests of a new type of furnace which makes the same kinds of steel a great deal faster.

479, of the use of aluminium powder for flow visualization in a water model of an open hearth furnace. It has since been shown that part of the pattern was due to air bubbles, and that if these ...

Trans. Ceramic Soc., 33, 104 (1934). "A Co-operative Investigation of the Factors Influencing the Durability of the Roofs of Basic Open-Hearth Furnaces". Report by the Open-hearth Refractories ...

The Open-Hearth Furnace By the turn of the century, most of Carnegie's steel came from vast brick ovens called open-hearth furnaces. They were the future of steel-making. In 1890 at Homestead ...

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Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

"Although the grounds are always open, most people like to come when ... there is a time capsule that sits within the bricks of the furnace hearth, where the iron was produced.