Abstract
An Inconel based feedstock for manufacturing super alloy components by powder injection moulding is introduced. The relationship between the rheological properties and different parameters of the feedstock is investigated, based on a prescribed model. The method to determine the parameters of the rheological model for powder injection moulding is presented, including the important thermal effect.
Highlights
The Inconel based super alloys represents the important value in aeronautic and other industries
The thermal characterization of each component of the binder and mixed feedstock is made by differential scanning calorimeter (DSC) and thermogravimetric analysis (TGA)
The temperatures of glass transition, melting and degradation of each components of the binder were determined by DSC
Summary
The Inconel based super alloys represents the important value in aeronautic and other industries. Powder injection moulding (PIM) is one of the most advantageous techniques for manufacturing super alloy components. The preparation of feedstock of Inconel based super alloys for injection moulding is the most crucial stage. Researches on PIM process have had important developments in the last 20 years [1,2,3]. The feedstock plays a primary and decisive role on dimensions and mechanical properties of the PIM products. It dominates the process parameters for different stages of the PIM process, including injection moulding, debinding and sintering
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