COMMERCIAL SUPERSONIC TRANSPORT PROGRAM. PHASE IIC. TITANIUM ALLOY SELECTION REPORT,
BOEING CO RENTON WA AIRPLANE DIV
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The heat treat study indicated that both titanium alloys, Ti-6-4 and Ti-4-3-1, when tested in 12 inch plate provided adequate strength, toughness, and salt water crack propagation resistance for SST structure when their microstructures were controlled by proper thermal processing. The heat treat conditions for each alloy are presented.
- Metallurgy and Metallography