Scientific Commons: H. Hartwig

Halbwarm-Präzisionsschmieden eines Pleuels mit offenem Steg (2008)

The objective of the project was the investigation of precision forging a double-piece connecting rod as a residue-minimized manufacturing process including weight reduction as a hot and semi-hot...

Semi-hot precision forging of connecting rods (2008)

Lorenz, B., Hartwig, H., Wagner, A.

Forged steel connecting rods are characterized by a homogeneous material structure with favourable fibre orientation free of internal defects, resulting in high levels of strength and ductility. The...

Phoenix Robotic Arm Camera (2008)

Keller, H. U., Goetz, W., Hartwig, H., Hviid, S. F., Kramm, R., Markiewicz, W. J., ...

Space Qualification of a Thin Wafer Lithium Niobate Etalon for the Visible Light Imager and Magnetograph (VIM) (2007)

Schühle, U., Mathew, S. K., Wedemeier, M., Hartwig, H., Ballesteros, E., Martinez Pillet, V., ...

Solar control with thermotropic layers (2005)

Nitz, P., Hartwig, H.

New developments in bulk forming of power train components of enhanced performance characteristics (2005)

Lorenz, B., Glass, R., Hartwig, H.

Highly loaded car components will be manufactured of steels by bulk forming also in future because optimal performance characteristics can be obtained by those techniques. Research and development is...

Forgeage a mi-chaud de l'acier. Principes de base (2004)

Neugebauer, R., Hartwig, H., Geiger, M., Bitter, S.

DLC for tools protection in warm massive forming (2003)

Reisel, G., Wielage, B., Steinhäuser, S., Hartwig, H.

In order to find an alternative to solid lubricants in bulk metal forming with contact temperatures between work piece and tool up to 600 °C, low wear friction coatings like hydrogenated amorphous...

Prüfung dünner Schichten für Anwendungen in der Kalt- und Halbwarmmassivumformung (2003)

Neugebauer, R., Hartwig, H., Wielage, B., Reisel, G.

Prozessgrundlagen der Halbwarmumformung (2003)

Neugebauer, R., Geiger, M., Hartwig, H., Bitter, S.

DLC for tool protection in warm massive forming (2003)

Reisel, G., Wielage, B., Steinhäuser, S., Hartwig, H.

Halbwarmumformung von Stahl: Prozessgrundlagen (2003)

Neugebauer, R., Hartwig, H., Geiger, M., Bitter, S.

Physical and numerical modelling of the tribological conditions in warm extrusion (2002)

Hartwig, H., Bitter, S., Landgrebe, D., Seidel, H.

Investigation into the process basics of warm forming (2002)

Neugebauer, R., Putz, M., Hartwig, H., Geiger, M., Bitter, S.