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1. (WO2018181036) CUTTING INSERT AND CUTTING TOOL PROVIDED WITH SAME

Pub. No.:    WO/2018/181036    International Application No.:    PCT/JP2018/011815
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Sat Mar 24 00:59:59 CET 2018
IPC: B23B 27/14
B23C 5/16
C22C 1/05
C22C 29/04
Applicants: KYOCERA CORPORATION
京セラ株式会社
Inventors: TANAKA, Ayano
田中 綾乃
NOMIYAMA, Ryoma
野見山 涼馬
Title: CUTTING INSERT AND CUTTING TOOL PROVIDED WITH SAME
Abstract:
One mode of embodiment of a cutting insert according to the present invention is provided with a substrate including a first surface, a second surface adjacent to the first surface, and a cutting edge located on at least part of a ridge line where the first surface and the second surface intersect. The first surface has a first region along the cutting edge, the second surface has a second region along the cutting edge, and the substrate has a plurality of 11th phases which contain titanium nitride as a main component and which have an average particle size of 0.05 to 0.5 μm, and a second phase containing at least one of cobalt and nickel. The second region has a plurality of agglomeration portions in which a first phase agglomerates, and which has a maximum length at least equal to 2 μm.