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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology
Presentation Title Study of the Effect of the Surface-roughness of Dies and Tooling for HPDC on Soldering
Author(s) Federico Simone Gobber, Andrea Pisa, Daniele Ugues, Silvia Lombardo, Mario Rosso
On-Site Speaker (Planned) Mario Rosso
Abstract Scope Die-casting processes involve the use of steel dies, typically realized in AISI H11 or H13, with or without a coated surface. Mechanical and chemical stresses and thermal cycles act producing stresses, plastic deformation, corrosion and metallization on the mold surfaces. In this work the interaction between the hot work steel AISI H13 and the aluminum alloy EN AB 46000 were evaluated in terms of intermetallic compounds nucleated at the die – Al alloy interface and the adhesion strength for different roughness of the die surface. Two of the tested roughness were finally applied on the surface of die inserts. The comparison between castings tests carried out in laboratory conditions (aluminum alloy casted on the steel surface) and in real-work conditions (aluminum alloy injected with a certain pressure on the steel surface) allowed to evaluate the effect of surface-roughness on soldering mechanisms.
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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