2017
DOI: 10.3139/104.111766
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Untersuchung des Verschleißverhaltens von TiB2-beschichteten Mikrofräswerkzeugen

Abstract: Kurzfassung Beim Einsatz von Mikrofräswerkzeugen kommt es, bedingt durch Größeneffekte, zu erhöhter Reibung und damit erhöhtem Verschleiß. Zusätzlich resultieren aus den geringen Werkzeugdurchmessern niedrige Schnittgeschwindigkeiten, sodass es zu Aufbauschneiden kommen kann. Beides wirkt sich negativ auf die Prozessergebnisgrößen aus und reduziert die Effizienz des Prozesses. Um dies zu minimieren, wurden Mikrofräswerkzeuge (Ø 50 μm) mit einer PVD-Beschichtung versehen und das Einsatzverhalten … Show more

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Cited by 4 publications
(2 citation statements)
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“…This means the coating is hard enough to withstand the machining conditions for a longer period of time. In another study, the most suitable layer thickness for this coating was determined [19]. The layer thickness exhibits two contradicting properties: the thicker the layer, the higher the residual stresses inside the layer (resulting in breakage of the coating); the thinner the layer, the lower the wear resistance.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…This means the coating is hard enough to withstand the machining conditions for a longer period of time. In another study, the most suitable layer thickness for this coating was determined [19]. The layer thickness exhibits two contradicting properties: the thicker the layer, the higher the residual stresses inside the layer (resulting in breakage of the coating); the thinner the layer, the lower the wear resistance.…”
Section: Resultsmentioning
confidence: 99%
“…However, as it is a titanium based coating, no additional adhesion layer has to be used, which makes it possible to produce hard and thin single layer coatings. The TiB2 coating thickness was 0.2 µm, as determined as optimal thickness in [19].…”
Section: Methodsmentioning
confidence: 99%