Word: alloy
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Dates: during 1950-1959
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...lady joined the workers in the garden, saying: "Making steel also tempers people." As vice chairman of the Standing Committee of the National People's Congress, sister of Nationalist China's Madame Chiang Kaishek and widow of the founder of the Chinese Republic, she is an alloy herself-Madame Sun Yatsen...
...miles above the earth is only a first step. Greater peril comes when the pilot starts down through the atmosphere to land. To offset the ferocious heat generated by the air's friction, the X-15's skin is made of Inconel X, a heat-resisting alloy that keeps its shape at a brightly glowing 1,350° F., when aluminum and ordinary steel have long since softened. Liquid nitrogen, which will not support combustion, is used as a coolant for both pilot and equipment, and is also vaporized to maintain pressure in the plane's interior...
Tougher Steel. An alloy sheet steel that hardens in air instead of the usual salt or oil quenching baths and is six times tougher than automobile body metal was announced by U.S. Steel. Named Airsteel X-200, the steel was designed for rockets and missiles. It can be formed, welded, heated and cooled with less danger of distortion-producing stresses...
...weight 30% by means of lighter mountings, braces, etc. Up to now every aluminum engine required either a ferrous liner or a chromium coating for cylinder bores; both were expensive to make and troublesome to process. G.M. believes it has solved the problem by finding a wear-resistant aluminum alloy that can be cast in the same fashion as iron...
...completely buried implant, used by Dr. Stanley Behrman of Cornell University Medical College. The Behrman method, aided by modern physics, uses tiny (onequarter inch long) cobalt-platinum alloy magnets, the most powerful of their size ever developed. Inserted into the upper or lower jaw, the magnets attract other small magnets placed in the overlying denture to keep them in place. The mesh-covered magnets are strong enough to last the life of the denture-user...