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Meeting MS&T21: Materials Science & Technology
Symposium Advances in Surface Engineering
Presentation Title High Adhesive Joint Durability of Aluminum Alloys with Chemical Free Treatments
Author(s) John Ho, Alp Manavbasi
On-Site Speaker (Planned) John Ho
Abstract Scope Surface pretreatments are often used to activate and functionalize the metal surfaces to provide enhanced adhesion and bond durability for adhesive joints or subsequent coatings. For aluminum sheet materials, such as 6xxx-series wrought alloys designed for automotive applications, wet chemical cleaning and pretreatment are widely used methods for improving coatings and adhesive joints with high corrosion resistance and durability. Current laboratory experimentation in this work explores an alternative surface treatment method without any wet cleaners and/or pretreatment chemicals with improvements in cleanliness and corrosion resistance. Simultaneous surface cleaning and activation for durable adhesive joints by using highly energetic laser ablation and texturing on the surface of the aluminum are demonstrated without any conventional wet surface treatment chemistries. In addition to the characterization and quantification of cleaned, activated and textured surfaces, improvement in adhesive joint durability in a corrosive environment will be presented.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Effect of Laser Shock Peening on Residual Stress Distribution of 304 Austenitic Steel
Engineering of Wearproof Surface by Management of Mechanical-Chemical Phenomena in Zone Contact
Erosion Resistant and Passively Emitting Composite Coatings for Space Charge Mitigation Applications
High Adhesive Joint Durability of Aluminum Alloys with Chemical Free Treatments
Influences of Varied Electro-discharge Machining Operations on Surface Conditions of a Nickel-Base Superalloy
Ionic Polymer-Metal Composite (IPMC) Degradation Study and Solution Considerations for Biomimetic Thin-film Actuator Applications
Mechanical Ball Milling of Gas Atomized Ti‒48Al‒2Cr‒2Nb Powder for Preventing Smoking in Electron Beam Additive Manufacturing Process
Methodological Principles of Engineering Surface Stainless Steel at Treatment Cutting with a Polymer
Non-linear Through-hole Fabrication by Electrochemical Machining
P2-27: Novel Rosette-like Formations on Ti Surfaces with Nanosize "Petal" Features
Surface Evolution and Corrosion Behavior of Cu-doped Carbide-reinforced Martensitic Steels in a Sulfuric Acid

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