Faculty Publications

Title

Material properties improvement of cast A206 using vacuum assisted counter gravity casting process

Document Type

Conference

Journal/Book/Conference Title

Proceedings of the Second International Conference on Processing Materials for Properties

First Page

1027

Last Page

1032

Abstract

Recently, there is a growing trend in the aluminum foundry industry to develop improved melting and casting processes to produce lightweight, high-strength, and thin-wall castings for the aerospace and transportation industry. One casting method that has demonstrated industrial potential for producing clean, thin-wall castings is vacuum-assisted, counter gravity casting. This process has the benefit of expeditiously and quiescently filling the casting cavity with a dramatic reduction of furnace related and reoxidation inclusions. Additionally, lower casting temperatures can be utilized because the application of vacuum during filling overcomes the resistive internal cavity pressure resulting in a finer, as-cast microstructure. The paper explores and discusses the processing and design conditions in improving the mechanical properties of A206 casting alloy using the vacuum assisted, counter gravity casting process.

Original Publication Date

12-1-2000

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