Date of Award


Degree Type

Bachelors Thesis

Degree Name

Bachelor of Science in Metallurgical Engineering



First Advisor

Professor Curtis L. Graversen

Second Advisor

Professor John P. Spielman

Third Advisor

John H. Gambill Jr.


During recent years, duralumin and all aluminum alloys have been made the object of much discussion regarding their hardening mechanism. The commercial success of nearly all of the alloys of aluminum and mag­nesium is dependent on their ability to age or precipitation harden.