Metallurgists J. F. Nachman and W. F. Buehler of the Naval Ordnance Laboratory, White Oak, Md. were working on a hard, magnetic alloy called 16-Alfenol. They reported to their boss, Carroll W. Lufcy, that it was not only magnetic but heat-resistant. So the three of them set about emphasizing the alloy's unexpected heat resistance, avoiding scarce materials.
Last week they told about a new alloy, Thermenol, which is made of cheap, plentiful materials (iron, aluminum and a little molybdenum). It resists heat and corrosion better than some kinds of expensive stainless steel, and it is 20 to 25% lighter. Lufcy believes that...
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