Word: alloys
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...Germany porcelain tubes replace copper and brass tubing in water, air, fuel and chemical containers; alloy steel supplants copper, bronze and brass in armatures, turbine blades, and food, soap, chemical and synthetic gasoline factories...
...misunderstanding of incendiaries derives from early experiments by British scientists, who studied the laboratory behavior of pure magnesium, which burns fiercely in water. The British concluded that magnesium incendiary bombs would behave the same way. But the metal in real bombs is only 80% magnesium. The rest is an alloy to make them tough enough to penetrate roofs. The alloyed magnesium burns much less intensely than the pure metal, which can take oxygen as readily from water as from...
...fashion glued-wood planes at its Maryland factory, where the aircraft industry's first women guards patrol the production lines, Fairchild puts the almost paper-thin veneers under heat and pressure in steel cylinders. Baked and pressed into shape, they are free of the rivet-bumps on aluminum alloy planes, do not wrinkle, as metal does, under the impact of gusts...
...exactness of its figures on Japanese planes and plane production. Correspondent Abend's figures: Japan has more than 6,800 Army & Navy planes of all kinds; can produce no more than 300 planes a month; has never reached its yearly quota of 4,000, owing to shortages of alloy steels and machine tools...
...piece of neatly machined aluminum alloy. It represented, said Wright, a revolutionary advance in the technique of working duralumin, which meant development of a cylinder head that will give U.S. planes speed, altitude, load and range superiority over the Axis...