Investigation to Develop a High Strength Stress-Corrosion Resistant Naval Aircraft Aluminum Alloy.
Final rept. 16 Dec 69-16 Sep 70,
ALUMINUM CO OF AMERICA NEW KENSINGTON PA ALCOA RESEARCH LABS
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The report presents the results of an evaluation of three tempers of commercially fabricated alloy MA15 plate in 1 in. to 6 in. thickness. Compared at equal strengths, MA15 developed higher resistance to stress-corrosion cracking, greater resistance to exfoliation corrosion, higher toughness, and better fatigue performance than established commercial aluminum alloys. Compared at equal resistance to stress-corrosion cracking, MAl5 developed substantially higher strength than established commercial aluminum alloys. Field testing of this material is recommended. Author
- Properties of Metals and Alloys