MIMプロセスにおけるチタン合金部材の変形挙動の評価ならびに解析

概要

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Titanium and its alloys have been widely used for aerospace applications because of their excellent attributes of light weight, high strength, heat resistance and corrosion resistance material. However, it is not easy to produce the complicate shaped parts due to the poor castability and machinability. Metal Injection Molding (MIM) technique is expected to be one of useful advanced powder processing route as complicated shape forming for titanium and its alloy powders. The purpose of this study is to produce the large Ti alloy products by MIM process. MIM process condition is the most important to control the quality of final products. Five different disk specimens with difference sizes of diameter and thickness are prepared, and the effect of debinding and sintering conditions on the deformation of compacts are investigated. In this paper, the evaluation of the deformation was established by using a non-contact laser displacement measuring equipment.