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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology
Presentation Title XPS Examination of the Oxide-Metal Interface of an Aluminum-Magnesium Alloy Containing Beryllium
Author(s) Nicholas Smith, Anne Kvithyld, Gabriella Tranell
On-Site Speaker (Planned) Nicholas Smith
Abstract Scope The addition of beryllium to high magnesium aluminum alloys has long been known to cause a significant decrease in the rate of alloy oxidation. A clear understanding of the fundamental mechanism behind this effect is still lacking. Previous work by the authors has shown that the first formed oxide layer and the oxide metal interface is of key importance. To understand the behavior of beryllium during oxidation, a detailed characterization of the metal/oxide interface was therefore carried out. XPS (X-Ray Photoelectron Spectroscopy) was used to study the oxide layer of an Al-5%Mg alloy containing an elevated beryllium content of 100 ppm, which had been oxidized in air at 550 and 700 C. The higher concentration of beryllium than is used by industry was done to enhance its effects for easier characterization. For samples below the alloy melting point BeO-Al2O3 growths were found on the surface underneath an MgO layer. For liquid metal samples, the BeO-Al2O3 formed as a layer underneath an MgO layer.
Proceedings Inclusion? Planned: Light Metals

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A New Aluminium Crucible Skimmer (ACS) for Smelter Plants – Main Benefits Further to Two Years of Experimentation in Industrial Environment
An Innovative Ultrasonic Technology for the Continuous Quality Monitoring of Liquid Aluminum on Casting Lines
Analysis of Laser Marking Performance on Various Non-ferrous Metals
Condensation Warning System for Dry Material Storage
Constellium’s R&D on the Use of Power Ultrasound in Liquid Aluminum: An Overview
Continuous Casted Aluminum Flat Products Corrosion Characteristic According to Downstream Process
Continuous Centrifugal Casting: A Revolutionary Process for Casting Aluminium Tubes
Controlling the Microstructural Evolution during Soft Annealing of Cold Rolled Twin-roll Cast AlMnMg Alloys by Homogenization Heat Treatment
Development of a Prototype Unit for Continuous Centrifugal Casting of Aluminium Tubes
Discussion of Bi-film Index and LiMCA Data in Industrial Aluminum Remelting Trials
Drive-in Feeding of Crucibles for Casting Machine
Effect of Ultrasonic Melt-treatment and Cooling Rate on Microstructure of Multi-phase Reinforced Al Alloy
Electrochemical Characterization of Al-Li-Cu-Mg Alloys
Evaluation of Stress Relief Processes Used on High Pressure Aluminum Die Casting Dies
Experimental Study and Numerical Analysis of Cracking during DC Casting of Large Dimension 7075 Aluminium Billets
In-line Salt Fluxing Process with an FFDTM Industrial Experience with a Box-Type Degasser
Inclusion Composition Determination by In-line LIBS Measurement – Plant Assessment
Innovative Technology for a Flawless Rolling Slab Casting Process
Introduction and Distribution of Non-metallic Nanoparticles in Aluminum Melt
Investigation of Elemental Distribution in the Sheet Sections after Aluminum Continuous Sheet Casting, Cold Rolling and Heat Treatment Processes
Molten Metal Cleanliness: Recent Developments to Improve Measurement Reliability
Nitridation Reaction of Aluminum and Magnesium in 5XXX Series Aluminum Alloy
On-site Benchmark of LiMCA II vs. LiMCA III for Monitoring of Non-metallic Inclusions in Liquid Aluminium
Robustness of Forged Part Mechanical Properties to Casting, Forging and Heat Treating Process Variation
Root Cause Analysis Findings of a Force 3 Explosion
Shaping the Mechanical Properties of AlSi30 Alloy Cast by Rapid Solidification
Study of the Effect of the Surface-roughness of Dies and Tooling for HPDC on Soldering
Tailoring the Materials Properties with a Holistic Approach From Casting to Back Annealing
The Benefits of Ultrasonic Treatment of Molten Metal for Slabs Casting at UC RUSAL Facilities
The Comparison of Intensive Riser Cooling of Castings after Solidification in Three Classic Metals
The "Alcoa Filter System": A Cost Effective Solution for Enhanced CFF Performance
Ultrasonic Doppler Velocimetry in Liquid Aluminum
XPS Examination of the Oxide-Metal Interface of an Aluminum-Magnesium Alloy Containing Beryllium

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