Effect of the cBN content and sintering temperature on the transverse rupture strength and hardness of cBn/diamond cutting tools | Zendy

Durmuş Kır | Zendy; Serkan Islak | Zendy; Halis Çelik | Zendy; Ertuğrul Çelık | Zendy

Open Access

Effect of the cBN content and sintering temperature on the transverse rupture strength and hardness of cBn/diamond cutting tools

Author(s) -

Durmuş Kır,

Serkan Islak,

Halis Çelik,

Ertuğrul Çelık

Publication year - 2012

Publication title -

science of sintering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.309

H-Index - 25

eISSN - 1820-7413

pISSN - 0350-820X

DOI - 10.2298/sos1202235k

Subject(s) - materials science , sintering , diamond , flexural strength , scanning electron microscope , microstructure , composite material , fracture (geology) , pressing , hot pressing , metallurgy

The aim of this work was to investigate the effect of cBN content and sintering temperature on the transverse rupture strength (TRS) of cBN/diamond cutting tools produced by hot pressing. The segments containing different cBN content were manufactured under 35 MPa pressure at 600, 650 and 700°C with a 3 minutes sintering time. The TRS of segments were determined using three-point bending test. Microstructure and phase composition of fracture surface of segments were determined by scanning electron microscopy (SEM), and X-ray diffraction (XRD) analysis. The obtained results show that the TRS of the segments with cBN were higher than that of the segments with diamond

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