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Preventing Oxidation Of Aluminum Films With Cadmium Of Zinc Barriers, Spencer B. Perry Aug 2016

Preventing Oxidation Of Aluminum Films With Cadmium Of Zinc Barriers, Spencer B. Perry

Student Works

The planned Large UV/Optical/Near-infrared Telescope (LUVOIR) is expected to launch sometime in the 2030s if NASA surveys recommend LUVOIR over several other projects in early developmental stages [1]. As the project title suggests, the proposed telescope would include large mirrors (between 8 and 16 meters) as part of the orbiting reflector telescope. My research focused on the preparation of aluminum mirrors with zinc or cadmium barrier layers that were designed to prevent oxidation of the aluminum.


Friction Bit Joining Of Dissimilar Combinations Of Gadp 1180 Steel And Aa 7085 – T76 Aluminum, Lorne Steele Atwood Jun 2016

Friction Bit Joining Of Dissimilar Combinations Of Gadp 1180 Steel And Aa 7085 – T76 Aluminum, Lorne Steele Atwood

Theses and Dissertations

Friction Bit Joining (FBJ) is a method used to join lightweight metals to advanced high-strength steels (AHSS). The automotive industry is experiencing pressure to improve fuel efficiency in their vehicles. The use of AHSS and aluminum will reduce vehicle weight which will assist in reducing fuel consumption. Previous research achieved joint strengths well above that which was required in three out of the four standard joint strength tests using DP980 AHSS and 7075 aluminum. The joints were mechanically tested and passed the lap-shear tension, cross-tension, and fatigue cycling tests. The t-peel test configuration never passed the minimum requirements. The purpose …