Richard Edmond Ricker
Richard Edmond Ricker, American Metallurgical scientist. Achievements include research in the mechanism of accelerated fatiguefailure of aluminum aircraft alloys, the effect of ordering on the electrochemical behavior of intermetallics; discovery of intermetallicalloys susceptible to stress corrosion cracking, a brittle film's ability to induce cleavage in a ductile substrate. Recipient Bronze medal unites states department Commerce, 1991.
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