J. Ulmer

发表

Superimposing Ultrasonic Waves on the Dies in Tube and Wire Drawing

K. Siegert, J. Ulmer, 2001 .

Influencing the Friction in Metal Forming Processes by Superimposing Ultrasonic Waves

K. Siegert, J. Ulmer, 2001 .

SUPERIMPOSING ULTRASONIC WAVES ON TUBE AND WIRE DRAWING

K. Siegert, J. Ulmer, 2000 .

Deposition of c-BN films in a hollow cathode arc evaporation device

J. Ulmer, A. Neuffer, K. Barth, 1996 .

Influence of the deposition parameters on boron nitride growth mechanisms in a hollow cathode arc evaporation device

J. Ulmer, K. Barth, A. Lunk, 1997 .

Deposition of cubic boron nitride layers — characterisation of substrate–layer interface

W. Sigle, J. Ulmer, A. Lunk, 1997 .