Word: alloying
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Mapping the Milky Way. This week the satellite will receive a radio command from earth and begin to unfurl its giant antenna system. Carried as flat ribbons of silver-plated copper alloy coiled on spools within the satellite, the tubular legs will be formed as the outer edges of the unwinding ribbons curl towards each other and meet. Tiny tabs along the edges of the ribbon will hook together as the tubeb forms, adding rigidity. At first, the antenna legs will be extended only 358 ft. from the craft, to test their stability. Then they will grow to their full...
...ordinary times, U.N. Alloy Steel Corp. would scarcely be a phenomenon to excite Wall Street. Even though the ten-year-old, Boston-based firm, which imports and distributes Japanese and Austrian specialty steel products, showed an 18% return on its invested capital, its profits last year reached only $315,529. It operates with seven warehouses and 30 salesmen. Yet last week, when Alloy Steel brought out its first public issue of common stock, eager buyers not only snapped up the entire 358,150-share offering at $10, but bid the price up to $19 a share in the first hour...
Because aluminum alloy is also stiffer than steel, top players who have used the new racket claim to get better control on volleys, lobs and drop shots. "The ball doesn't fly off the surface as it does with steel," says the U.S.'s Dennis Ralston who, along with South Africa's Cliff Drysdale, plans to use the aluminum racket on this year's pro tour...
...copper came from Cyprus, the tin from far-off Britannia, and the Greeks wrought the ensuing alloy, bronze, in myriad forms: vases, swords, tripods, safety pins, mirrors, votive statuettes, household icons and colossal public statues. Most of the large statues have been lost, broken up or melted down, but thousands of graceful hand-sized household objects and prized miniatures remain. Though fragmented and stained with the crusts, scars and patina of age, they nonetheless offer spirited insights into classical days and ways...
...undergoing tests by the Interior Department's Bureau of Mines, is called an exhaust-manifold reactor. Developed by Du Pont over the past two years, the reactor system would replace the regular manifold unit on U.S. vehicles. It consists of two 4½-in. by 22-in. alloy-coated stainless-steel cylinders that fit over the sides of a standard V-8 engine. (Only one reactor is required for a six-cylinder model.) As high-temperature exhaust gases flow into the reactors, air is blown into them by a small pump, causing a more complete burning of the fumes...