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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology
Presentation Title An Innovative Ultrasonic Technology for the Continuous Quality Monitoring of Liquid Aluminum on Casting Lines
Author(s) Jean-Louis Achard, Fabio Taina, Pierre Le Brun, Pierre-Yves Menet
On-Site Speaker (Planned) Jean-Louis Achard
Abstract Scope Non-metallic inclusions may impair the mechanical properties and machinability of high quality aluminum products. This demonstrates that the control of melt quality, prior to solidification, is strongly required. Over the past twenty years, there have been several attempts at developing the technique of ultrasonic detection of inclusions. However, the main issue remains the wettability and durability of the waveguides immersed in the liquid metal. Constellium has developed an innovative ultrasonic sensor based on a breakthrough technology which enables a stable wettability of the ceramic waveguides, essential for ultrasonic power transmission and signal stability. The paper will present the principle of the technique and some example applications showing the increased performance and capability over existing techniques.
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
C-40: Electrochemical Characterization of Al-Li-Cu-Mg Alloys
C-41: Evaluation of Stress Relief Processes Used on High Pressure Aluminum Die Casting Dies
C-42: Introduction and Distribution of Non-metallic Nanoparticles in Aluminum Melt
C-43: Shaping the Mechanical Properties of AlSi30 Alloy Cast by Rapid Solidification
C-44: Study of the Effect of the Surface-roughness of Dies and Tooling for HPDC on Soldering
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
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
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
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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