TECHNICAL SUPPORT PACKAGE FOR TECH BRIEF. IMPROVED THERMAL TREATMENT OF ALUMINUM ALLOY 7075

The mechanism of the stress corrosion cracking of high strength aluminum alloys has been investigated using electrochemical, mechanical, and electron microscopic techniques. Corrosion and stress corrosion experiments have been caried out in 1M NaCl buffered to pH 4.7 at 30 degrees C. using the commercial alloys 7075 and 2219 and also relevant pure materials. The feasibility of detecting stress corrosion damage in fabricated aluminum alloy parts by nondestructive testing techniques has been investigated using ultrasonic surface waves. ( Author )

• Corporate Authors:

  National Aeronautics and Space Administration

  600 Independence Avenue, SW
  Washington, DC  United States  20546
• Publication Date: 1968

Media Info

• Pagination: 121 p.

Subject/Index Terms

• TRT Terms: Seawater; Tests
• Old TRIS Terms: Salt water tests
• Subject Areas: Marine Transportation; Materials;

Filing Info

• Accession Number: 00001628
• Record Type: Publication
• Source Agency: National Technical Information Service
• Files: TRIS
• Created Date: Oct 30 1972 12:00AM