CVD diamond tools � Categorization

2019 ◽  
Keyword(s):  
2014 ◽  
Vol 907 ◽  
pp. 63-73 ◽  
Author(s):  
Eckart Uhlmann ◽  
Fiona Sammler

The economic machining of materials used in the automotive and aeronautical industries, such as aluminium silicon alloys is often not possible without the use of superhard tools. CVD diamond coated tools have demonstrated their suitability for these applications in the past, however, the insufficient coating adhesion and thus tool failure remains an issue to date. Within the work presented here, two cemented carbide types were studied as substrates for CVD diamond coatings. Milling and turning tests were undertaken in order to assess the coating adhesion of the diamond tools. Furthermore, residual stress analysis was undertaken with the aim of understanding the impact of the coating and substrate residual stresses on the tool’s process performance.


2003 ◽  
Vol 12 (3-7) ◽  
pp. 738-743 ◽  
Author(s):  
M. Belmonte ◽  
P. Ferro ◽  
A.J.S. Fernandes ◽  
F.M. Costa ◽  
J. Sacramento ◽  
...  

2019 ◽  
Vol 109 (01-02) ◽  
pp. 40-45
Author(s):  
E. Uhlmann ◽  
D. Schröter ◽  
H. Bachmann ◽  
P. Meier

Die spezifischen Eigenschaften der Titanlegierung Ti-6Al-4V führen während der Zerspanung zu einem Anstieg des thermomechanischen Belastungskollektivs auf das Werkzeug. Um die Reibung und den resultierenden Wärmeeintrag in der Zerspanzone zu reduzieren, bieten mikrostrukturierte Werkzeuge einen vielversprechenden Ansatz. Diese sollen das Einsatzpotenzial von CVD-Diamant-Werkzeugen für die Zerspanung von Ti-6Al-4V steigern.   The specific properties of titanium alloy Ti-6Al-4V lead to an increase of the thermomechanical load on the tool during machining process. Micro-textured tools offer a promising approach to reduce friction and the resulting heat input in the contact zone. These micro-textures may increase the potential applications of CVD diamond tools for the machining of Ti-6Al-4V.


CIRP Annals ◽  
2002 ◽  
Vol 51 (1) ◽  
pp. 49-52 ◽  
Author(s):  
E. Uhlmann ◽  
M. Brücher

Wear ◽  
2019 ◽  
Vol 436-437 ◽  
pp. 203007
Author(s):  
Berend Denkena ◽  
Thilo Grove ◽  
Tobias Gartzke

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