For the realization and cost-effective production of components, suitable materials must meet the following criteria: good availability, reproducible material quality, acceptable price and simple processability.

Close-to-contour precision, mass production, variety of shapes and complexity are just some of the advantages of components manufactured by powder injection molding. The process chain consists of the following sub-steps:

Tungsten powder injection molding is an example of the target-oriented development of modern material systems for applications in energy research:

Tungsten powder injection molding @ KIT

Isotropic materials with equiaxed grain orientation, good thermal shock resistance, shape diversity and high density are typical properties of powder injection molded tungsten.

The development of new, e.g. particle-reinforced tungsten materials makes it possible to produce customized materials and material systems. The amount of TiC or _Y2O3 particles added to the tungsten matrix, for example, stabilizes the grain boundaries and creates a fine grain structure by suppressing grain growth.

Mechanical properties such as ductility and strength can be adjusted over a wide range depending on the application.

New material developments
... 4-point bending tests from 20 to 400 °C ...

s. Antusch, et al.: Journal of Nuclear Materials and Energy, 16 (2018), pp. 71-75.

In order to achieve optimum moulding and sintering results, it is necessary to optimize the moulding compounds with regard to powder filling level, flow properties and shrinkage behaviour.

Especially the further development of powder injection molding to multi-component micro powder injection molding requires alternative binder systems in order to be able to produce loose or solid composites specifically with different materials. This includes

If you have any questions on this topic, please contact Dr. Steffen Antusch.