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Division notebook: Molding Methods and Materials heavy on applied research and innovation.

The AFS Molding Methods and Materials Division 4 encompasses a large community of individuals in the metalcasting industry covers a large part of the actual casting process. This division has nine active technical committees: Executive/Paper & Programs (4A/4B), Publications (4A1) Honorary Awards & Nominating (4C), Mold-Metal Interface Reactions (4F), Foundry Sand Additives (4H), Cured Sand 8c Aggregate (4K), Investment Casting (4L), Green Sand Molding (4M), and Additives Manufacturing For Metal Casting (AM4MC).

The division oversees research projects that focus on innovative practices, materials and methods of molding for the foundry industry. The division currently has five funded research projects:

* Application of Differential Scanning Calorimetry (DSC) with Gravimetric Analysis (TGA) and Mass Spectroscopy (MS) to Assess Sand Binder Emissions--University of Northern Iowa (4N)

* Reclamation of Investment Casting Shell Materials--Cal Poly (4L)

* Veining Reduction Project--Western Michigan University (4F)

* Improving Dimensional Accuracy of Castings from Silica and Molds--University of Northern Iowa

* Prediction of Gas Evolution from Chemically Bonded Sand Molds Using Process Simulation Software--University of Northern Iowa

These five research projects have the potential to provide the metalcasting industry with valuable knowledge on a variety of topics that involve the molding and core making processes.

It is hoped that these projects will improve the foundry's understanding of sand binder emissions, vein reductions, reclamation of investment casting materials, casting dimension accuracies, and the evolution of gases from chemically bonded molds.

Besides the five funded projects, the division is monitoring one non-AFS funded research project, "Thermal Property Trends in Green Sand," from Saginaw Valley State University, which is under development.

More projects are under consideration for future funding:

* Dynamic Green Sand Testing, Western Michigan University (4M, 4H)

* Advanced Green Sand Control, Pennsylvania State University (4M, 4H)

* Thermal Property Database from Investment Casting Shells, Missouri University of Science and Technology

* Prefiring Time/Temperature Effect on Investment Shells ThermosMechanical

* Economical and Technical Feasibility of Using Synthetic (non-Silica) Ceramic Aggregates as an Option for Silica Ruling Compliance, (4K and Division 10)

Individual technical committee meetings are typically held three or four times annually and held primarily at AFS headquarters in Schaumburg, Illinois, although at times, committees will meet at various foundry locations. This change of venue often provides additional networking time between the committee members.

Although each of the technical committees is designed to focus on a primary topic, they are encouraged to go beyond the boundaries of their scope. Membership is composed of individuals from foundries, academia, equipment suppliers, and materials suppliers. This dynamic allow for valuable networking between individuals from varying principles and backgrounds. Without the AFS technical committee community, many of these partnerships and collaborations would likely not occur. The AFS technical committee structure provides them the avenue and vehicle to share and disseminate this information.

For more information about the division's activities and how to join, contact Laura Kasch at
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Title Annotation:AFS NEWS
Publication:Modern Casting
Date:Jul 1, 2017
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