Word: alloys
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Dates: during 1950-1959
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...came a new boss. Frank B. Rackley, 33, whose blacksmith father had encouraged him to read and believe Horatio Alger. While working as a $13-a-week office boy in Pittsburgh, Rackley studied metallurgy at night school, was named Western manager for U.S. Steel's stainless and alloy division when still...
...Gorman joint. But he has high hopes for it. Moving parts are metal against metal, lubricated by body fluids, so no foreign material is in moving contact with human tissue (which has caused trouble in some earlier plastic and metal restorations). Made of Stellite (a chromium-cobalt alloy), the joint should outlast the life of the recipient, with no corrosion...
...bigger, more powerful infantry weapon is known as the Armalite (for "light armament"). Firing a .308-cal. round, it has the hitting power and range of the Springfield T 44 and the Belgian F.N. but weighs only 6.8 pounds because it is made of lightweight aluminum alloy and plastics, is so soundly constructed that it sacrifices neither accuracy nor sturdiness. Unlike almost any other rifle, the fully automatic Armalite can be manufactured on an assembly-line basis; it discards the traditional drilled steel barrel for a barrel liner made of stainless steel tubing, and swaged, i.e., forced by machine, into...
...diameter) reaches a maximum speed of 18,000 m.p.h., Drs. Carl Gazley Jr. and David J. Masson point out that the temperature of its skin should not rise much above 2,000°F. Although most common metals either melt or soften at this temperature, alloys recently developed for the turbine blades of jet engines are capable of withstanding it. So should an alloy-constructed satellite. A returning satellite could not only show the subtle effects of cosmic rays but could also bring back with it pictures of what the earth looks like from the doorstep of space...
...Stand Still. When they swarmed over the X2, engineers found welcome news. Made of heat-resistant stainless steel and nickel alloy with a specially tempered windshield designed to withstand 1,000° F. temperatures, the X-2 was built to probe the "thermal thicket" of supersonic speeds where the heat generated by friction with the atmosphere can turn metal into putty. But there were no thorns in the thicket for the X2. She was untouched...